Thermal Physics Questions IB Question Bank

 

3. 

C sokei peala of tuhbstah dakts ehto kequei wetgout c lgchba eh tadparctura. Rgelg of tga fokkowehb es lorralt for tga dokalukas eh tga kequei pgcsa lodpcrai wetg tga dokalukas eh tga sokei pgcsa? Mehatel aharby

C.

scda

N.

scda

L.

bractar

I.

bractar

Zotahteck aharby

bractar   scda bractar   scda (Yotck 3 dcrm)

  >. 

Rgct es tga dcss of lcrnoh-3> tgct lohtcehs tga scda hudnar of ctods cs 39 b of sekeloh->7? C.

6b

N.

3> b

L.

39 b

I.

>9 b (Yotck 3 dcrm)

 

.   (c)

\tcta, wetgout wetgout chy lcklukcteohs, gow tga brcpg louki na usa usai i to iatardeha tga iestchla iestchla fckkah. ...................................................................................................................................... ...................................................................................................................................... (3)

  (n)

(e)

Eh tga spcla nakow, ircw chi kcnak crrows to raprasaht tga forlas oh tga nckk ct >.: s.

  (3)

 

 

(ee)

Qsa tga tga brcpg opposeta to sgow tgct tga cllakarcteoh of tga nck nckkk ct >.: s es cpproxedctaky 9 d s “>. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (>)

  (eee)

Lcklukcta tga dcbhetuia of tga forla of cer rasestchla oh tga nckk ct >.: s. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (>)

  (ev)

\tcta chi chi axpkceh axpkceh wgatgar wgatgar tga tga cer cer rasestchla oh tga nckk ct t 4 1.: s es sdckkar tgch, aquck to or bractar tgch tga cer rasestchla ct t 4 >.: s. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (>)

 

(l)

Cftar 3: s tga nckk gcs fckkah 35: d. (e)

\gow tgct tga sud of tga potahteck chi mehatel aharbeas of tga nckk g gcs cs ialracsai ialracsai ny 27: @. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ()

  (eee)

\tcta ch cssudpteoh dcia eh tga astedcta eh (l)(ee). ........................................................................................................................... ........................................................................................................................... (3) (Yotck 39 dcrms)

 

1. 

Yges quasteoh es cnout dalgchels chi tgardck pgysels.

 

Yga brcpg sgows tga vcrecteoh wetg teda t of tga spaai v of c nckk of dcss :.1: mb, tgct gcs naah rakacsai frod rast cnova tga Acrtg―s surfcla.

  Yga forla of cer rasestchla es hot habkebenka. Cssuda tgct tga cllakarcteoh of fraa fckk es  b 4 5.73 d s “>.   (c)

\tcta, wetgout wetgout chy lcklukcteohs, gow tga brcpg louki na usa usai i to iatardeha tga iestchla iestchla fckkah. ...................................................................................................................................... ...................................................................................................................................... (3)

  (n)

(e)

Eh tga spcla nakow, ircw chi kcnak crrows to raprasaht tga forlas oh tga nckk ct >.: s.

  (3)

 

 

(ee)

Qsa tga tga brcpg opposeta to sgow tgct tga cllakarcteoh of tga nck nckkk ct >.: s es cpproxedctaky 9 d s “>. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (>)

  (eee)

Lcklukcta tga dcbhetuia of tga forla of cer rasestchla oh tga nckk ct >.: s. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (>)

  (ev)

\tcta chi chi axpkceh axpkceh wgatgar wgatgar tga tga cer cer rasestchla oh tga nckk ct t 4 1.: s es sdckkar tgch, aquck to or bractar tgch tga cer rasestchla ct t 4 >.: s. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (>)

 

(l)

Cftar 3: s tga nckk gcs fckkah 35: d. (e)

\gow tgct tga sud of tga potahteck chi mehatel aharbeas of tga nckk g gcs cs ialracsai ialracsai ny 27: @. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ()

  (eee)

\tcta ch cssudpteoh dcia eh tga astedcta eh (l)(ee). ........................................................................................................................... ........................................................................................................................... (3) (Yotck 39 dcrms)

 

6. 

Yga aharby of tga dokalukas of ch eiack bcs es C.

tgardck ohky.

N.

tgardck chi potahteck.

L.

potahteck chi mehatel.

I.

mehatel ohky. (Yotck 3 dcrm)

  2. 

Oek wetg vokuda V gcs spalefel gact lcpclety l ct tadparctura Y . Yga iahsety of oek es σ es  σ.. Rgelg of tga fokkowehb es tga tgardck lcpclety of tga oek? C.

 σlV  lV 

N. L. I.

  

 σlVY  lV    Y 

(Yotck 3 dcrm)

  7. 

Yga vokuda of ch ch eiack bcs eh c lohtcehar lohtcehar es ehlracsai ct lohstcht lohstcht tadparctura. Rgelg of ttga ga fokkowehb stctadahts es/cra lorralt cnout tga dokalukas of tga bcs? E.

Ygaer spaai radcehs lohstcht.

EE.

Yga fraquahly of lokkeseohs of dokalukas wetg uhet crac of tga lohtcehar wckk ialracsas.

EEE.

Yga forla natwaah tgad ialracsas.

C.

E ohky

N.

E chi EE ohky

L.

E chi EEE ohky

I.

EE chi EEE ohky (Yotck 3 dcrm)

   

5. 

Yges quasteoh es cnout ehtarhck aharby chi tgardck aharby (gact). (c)

Iestehbuesg natwaah ehtarhck aharby chi tgardck aharby. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ()

  (l)

C peala of eroh es pkclai eh c mekh mekh uhtek et raclgas tga tadparctura tadparctura η of tga mekh. Yga eroh es tgah quelmky trchsfarrai to wctar gaki eh c tgardckky ehsukctai lohtcehar. Yga wctar es sterrai uhtek et raclgas c staciy tadparctura. Yga fokkowehb ictc cra cvcekcnka.  

 

Ygardck lcpclety of tga peala of eroh

4 6: @ M  “3

Ygardck lcpclety of tga wctar Eheteck tadparctura of tga wctar Fehck tadparctura of tga wctar

4 >.: Ò 3:) (Yotck 5 dcrms)

  3:. 

Yges quasteoh es cnout ehtarhck aharby chi tgardck aharby (gact). (c)

Iestehbuesg natwaah ehtarhck aharby chi tgardck aharby. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

  (n)

C peala of eroh es pkclai eh c mekh uhtek et raclgas tga tadparctura η of tga mekh. Yga eroh es tgah quelmky trchsfarrai to wctar gaki eh c tgardckky ehsukctai lohtcehar. Yga wctar es sterrai uhtek et raclgas c staciy tadparctura. Yga fokkowehb ictc cra cvcekcnka.  

 

Ygardck lcpclety of tga peala of eroh

4 6: @ M  “3

Ygardck lcpclety of tga wctar Eheteck tadparctura of tga wctar Fehck tadparctura of tga wctar

4 >.: Ò 3:. 

Yga doka es iafehai cs C.

N.

3 3>

tga dcss of ch ctod of tga esotopa lcrnoh-3>.

tga cdouht of c sunstchla sunstchla tgct lohtcehs cs dchy akadahtcry ahteteas cs tga hudnar of  ctods eh 3> b of tga esotopa lcrnoh-3>.

L.

tga dcss of oha ctod of tga esotopa lcrnoh-3>.

I.

tga cdouht cdouht of c sunstchla sunstchla tgct lohtcehs cs dchy dchy hulkae hulkae cs tga hudnar hudnar of hulkae eh 3> b of  tga esotopa lcrnoh-3>. (Yotck 3 dcrm)

  3: gousas. Et Et es proposai tgct sokcr pchaks na na usai to proveia proveia got wctar to tga gousas.

 

Yga fokkowehb ictc cra cvcekcnka.

 

cvarcba powar haaiai par gousa to gact wctar

4 affeleahly of aharby lohvarseoh of c sokcr pchak 4 37 %  

Lcklukcta tga dehedud surfcla crac of tga sokcr pchaks raquerai to proveia tga totck  powar for wctar gactehb. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (0 .................................................................................................................................. ...................................................................................................................................... (>) (Yotck 6 dcrms)

  31. 

Yges quasteoh es cnout gactehb c kequei. (c)

\ubbast wgy, eh tards of tga tga dokalukcr dokalukcr doiak, doiak, tga aharby aharby cssolectai wetg daktehb es kass tgch tgct cssolectai wetg noekehb. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (>)

   

(n)

Dekm eh c lup es gactai to noekehb noekehb poeht ny ny pcssehb pcssehb stacd stacd tgroubg tgroubg eet. t. Rgekst lookehb sunsaquahtky, soda dekm avcporctas. (e)

Iestehbuesg natwaah avcporcteoh chi noekehb. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (>)

  (ee)

Yga lup lohtcehs :.:: @ mb “3 M  “3

\palefel gact lcpclety of dekm

4 0 ....................................................................................................................... ........................................................................................................................... (>) (Yotck 3: dcrms)

  36. 

Rctar ct c tadparctura of : ºL es mapt eh c tgardckky ehsukctai lohtcehar. lohtcehar. C kudp of of ela, ckso ct : ºL, es pkclai eh tga wctar chi lodpkataky sundarbai.

  Rgelg of tga fokkowehb es trua eh raspalt of notg tga hat cdouht of ela tgct wekk dakt chi tga lgchba eh tadparctura of tga wctar? Hat cdouht of ela tgct dakts

Lgchba eh tadparctura of wctar

C.

ckk wekk dakt

ho lgchba

N.

soda wekk dakt

ialracsa

L.

hoha wekk dakt

ho lgchba

I.

ckk wekk dakt

ialracsa (Yotck 3 dcrm)

 

32. 

Yges quasteoh es cnout sokcr gactehb pchaks. (c)

C vekkcba vekkcba lohsests lohsests of of 3>: gousas. Et Et es proposai tgct sokcr sokcr pchaks na usai usai to proveia got wctar to tga gousas.

 

Yga fokkowehb ictc cra cvcekcnka.

 

cvarcba powar haaiai par gousa to gact wctar

4 affeleahly of aharby lohvarseoh of c sokcr pchak 4 37 %  

Lcklukcta tga dehedud surfcla crac of tga sokcr pchaks raquerai to proveia tga totck  powar for wctar gactehb. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (0 .................................................................................................................................. ...................................................................................................................................... (>) (Yotck 1 dcrms)

 

37. 

C nox tgct es ct rast wetg raspalt raspalt to gorezohtck b brouhi rouhi lohtcehs lohtcehs c fexai quchtety quchtety of ch eiack bcs. Yga ehtarhck aharby of tga bcs es Q chi ets tadparctura es Y . Yga nox es how dcia to dova ct lohstcht spaai wetg raspalt to tga brouhi. Rgelg of tga fokkowehb bevas tga lgchba, ef chy, eh tga ehtarhck aharby chi tga tadparctura of tga bcs cftar tga nox gcs naah dovehb for soda teda? Ehtarhck aharby

Yadparctura

C.

ho lgchba

ho lgchba

N.

ho lgchba

ehlracsa

L.

ehlracsa

ho lgchba

I.

ehlracsa

ehlracsa (Yotck 3 dcrm)

  35. 

On`alt Z gcs c dcss dZ chi spalefel gact lcpclety lZ. On`alt S gcs c dcss dS chi spalefel gact lcpclety l . Yga tadparctura of aclg on`alt ehlracsas ny tga scda cdouht. Rgelg of tga S fokkowehb bevas tga rcteo

tgardck aharby trchsfarrai to on`alt Z

 

tgardck aharby trchsfarrai to on`alt S

C.

N.

L.

I.

?

dZ lS dS l Z dZ l Z dS l S dS l S dZ l Z

dS l Z dZ lS (Yotck 3 dcrm)

 

>:. 

For two on`alts to na eh tgardck aquekenreud tgay dust C.

na eh lohtclt wetg aclg otgar.

N.

rciecta aquck cdouhts of powar.

L.

gcva tga scda tgardck lcpclety.

I.

na ct tga scda tadparctura. (Yotck 3 dcrm)

  >3. 

Yges quasteoh quasteoh es cnout lgchba lgchba of of pgcsa of c kequei chi kctaht kctaht gact of vcporezcteoh. vcporezcteoh. (c)

\tcta tga ieffarahla natwaah avcporcteoh chi noekehb wetg rafarahla to (e)

tadparctura. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (3)

  (ee)

surfcla crac of c kequei. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (3)

 

(n)

C kequei kequei eh c lckoredatar es gactai ct ets noekehb poeht for for c dacsurai pareoi of of teda. Yga fokkowehb ictc cra cvcekcnka.  

 

Zowar rctehb of gactar

4 31 R

Yeda for wgelg kequei es gactai ct noekehb poeht

4 9.1 Ò 3:> s

Dcss of kequei noekai cwcy

4 3.7 Ò 3: “> mb

Qsa tga ictc to iatardeha tga spalefel kctaht gact of vcporezcteoh of tga kequei. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... () (Yotck 2 dcrms)

  >>. 

Yges quasteoh quasteoh es cnout lgchba lgchba of of pgcsa of c kequei chi kctaht kctaht gact of vcporezcteoh. vcporezcteoh. (c)

\tcta tga ieffarahla natwaah avcporcteoh chi noekehb wetg rafarahla to (e)

tadparctura. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (3)

 

(ee)

surfcla crac of c kequei. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (3)

  (n)

C kequei kequei eh c lckoredatar es gactai ct ets noekehb poeht for for c dacsurai pareoi of of teda. Yga fokkowehb ictc cra cvcekcnka.  

 

Zowar rctehb of gactar

4 31 R

Yeda for wgelg kequei es gactai ct noekehb poeht

4 9.1 Ò 3:> s

Dcss of kequei noekai cwcy

4 3.7 Ò 3: “> mb

Qsa tga ictc to iatardeha tga spalefel kctaht gact of vcporezcteoh of tga kequei. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... () (Yotck 2 dcrms)

 

>: ºL. Rgelg brcpg nast sgows tga vcrecteoh of  totck ehtarhck aharby Q  of  of tga systad wetg teda t ?

  (Yotck 3 dcrm)

 

>9. 

Ygardck aharby aharby es ciiai ct c lohstcht rcta to c sunstchla sunstchla wgelg wgelg es sokei ct ct teda t  4  4 :. Yga brcpg sgows tga vcrecteoh wetg t  of  of tga tadparctura Y .

  Rgelg of tga stctadahts cra lorralt? E.

Yga spalefel kctaht gact of fuseoh es bractar tgch tga spalefel kctaht gact of  vcporezcteoh.

EE.

Yga spalefel gact gact lcpclety lcpclety of tga sokei es kass tgch tga spalefel gact lcpclety of tga kequei.

C.

E ohky

N.

E chi EE

L.

EE ohky

I.

Haetgar E hor EE (Yotck 3 dcrm)

  >1. 

Rgelg of tga fokkowehb fokkowehb es ch cssudpteoh dcia eh eh tga mehatel doiak of eiack bcsas? C.

Dokalukas gcva zaro dcss.

N.

Forlas natwaah dokalukas cra cttrclteva.

L.

Lokkeseohs natwaah dokalukas cra akcstel.

I.

Dokalukas dova ct gebg spaai. (Yotck 3 dcrm)

 

>6. 

Yges quasteoh es cnout fuak for gactehb. (c)

Iafeha tga aharby iahsety of iahsety of c fuak. ...................................................................................................................................... ...................................................................................................................................... (3)

  (n)

C rood gactar nurhs kequei fuak chi tga fokkowehb ictc cra cvcekcnka.  

Iahsety of kequei fuak

4 7.: Ò 3:> mb d “<

Aharby proiulai ny 3 d.2 Ò 3:3: @

^cta ct wgelg fuak es lohsudai

4 :.3< b s “3

Kctaht gact of vcporezcteoh of tga fuak

4 >5: m@ mb “3

  (e)

Qsa tga ictc to lcklukcta tga powar output of tga rood gactar, eebhorehb bhorehb tga powar  raquerai to lohvart tga kequei fuak ehto c bcs. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ()

 

(l)

\tcta, eh tards of dokalukcr strultura chi tgaer doteoh, two ieffarahlas natwaah c kequei chi c bcs. 3. .................................................................................................................................. ...................................................................................................................................... >. .................................................................................................................................. ...................................................................................................................................... (>) (Yotck 7 dcrms)

  >2. 

Ch ela luna chi ch elanarb cra notg ct c tadparctura of : ºL. Rgelg of tga fokkow fokkowehb ehb es c lorralt lodpcresoh of tga cvarcba c varcba rchiod mehatel aharby chi tga totck mehatel aharby of tga dokalukas of tga ela luna chi tga elanarb? Cvarc Cv arcba ba rch rchio iod d mehat mehatel el aaha harb rby y

Yo Yotc tckk mehat mehatel el aha aharb rby y

C.

scda

scda

N.

scda

ieffaraht

L.

ieffaraht

scda

I.

ieffaraht

ieffaraht (Yotck 3 dcrm)

  >7. 

Yges quasteoh es cnout fuak for gactehb. (c)

Iafeha tga aharby iahsety of iahsety of c fuak. ...................................................................................................................................... ...................................................................................................................................... (3)

 

(n)

C rood gactar nurhs kequei fuak chi tga fokkowehb ictc cra cvcekcnka.  

Iahsety of kequei fuak

4 7.: Ò 3:> mb d “<

Aharby proiulai ny 3 d.2 Ò 3:3: @

^cta ct wgelg fuak es lohsudai Yadparctura ct wgelg cer ahtars gactar

4 :.3< b s “3 4 3> ºL

Yadparctura ct wgelg cer kacvas gactar \palefel gact lcpclety of cer

4 ºL 4 55: @ mb “3 M  “3

  (e)

Qsa tga ictc to lcklukcta tga powar output of tga rood gactar, eebhorehb bhorehb tga powar  raquerai to lohvart tga kequei fuak ehto c bcs. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (< M es aquevckaht to c tadparctura of  C.

“1: ºL.

L.

+>1: ºL.

I.

+)

  (n)

Ch eiack bcs es mapt eh c lykehiar ny c pestoh tgct tgct es fraa fraa to dova. Yga bcs es gactai sulg sulg tgct ets ehtarhck aharby ehlracsas chi c hi tga prassura radcehs lohstcht. Qsa tga dokalukcr  doiak of eiack bcsas to axpkceh (e)

tga ehlracsa eh ehtarhck aharby. ........................................................................................................................... ........................................................................................................................... (3)

 

(ee)

gow tga prassura radcehs lohstcht. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (95 @.

 

Iatardeha (e)

tga lgchba eh ehtarhck aharby of tga bcs. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... ()

  (l)

Chotgar doka of tga scda bcs bcs es gactai ct lohstcht vokuda vokuda stcrtehb frod tga scda stcta cs tgct eh (n). \ubbast wgatgar tga tgardck lcpclety eh tges lcsa es aquck to, bractar tgch or kass tgch tga chswar eh n(ee). ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ()

 

(n)

Eh soda louhtreas, sgowar sgowar uhets uhets cra oparctai frod c 33: 33: V suppky. C gactehb akadaht oparctehb wetg c >9: V suppky gcs rasestchla ^ rasestchla ^>9: chi ch akadaht oparctehb frod c 33: V suppky gcs rasestchla ^ rasestchla ^33:. \gow tgct for gactehb akadahts to gcva eiahtelck powar outputs  

 ^33:  ^>9:

 :.>3.

................................................................................................................................... ................................................................................................................................... ................................................................................................................................... ................................................................................................................................... ................................................................................................................................... ................................................................................................................................... ................................................................................................................................... ................................................................................................................................... (