Chapter 10 Exam Style Questions

 

Kneptjr 51 Jxem [tybj Uujshds

5. Wnj retj hf rjekhd ijtwjjd e mjteb edg ed eklg ked ij ldvjs`etjg usld` tnj epperetus snhwd ijbhw.

E pljkj hf zldk fhlb wes eggjg th :1 km; hf nygrhknbhrlk eklg, hf khdkjdtrehd 9.1 mhb / gm;. Wnj eklg wes ld jxkjss. Wnj nygrh`jd jvhbvjg wes khbbjktjg ld tnj `es syrld`j edg lts vhbumj mjesurjg jvjry mldutj. Wnj rjsubts wjrj pbhjg edg beijbbjg es `repn 5.

Wnj jxpjrlmjdt wes rjpjetjg th snhw tnet tnj rjekhd ijtwjjd zldk mjteb edg nygrhknbhrlk eklg ls ketebysjg iy khppjr. E smebb vhbumj hf equjhus khppjr(LL) knbhrlgj wes eggjg th tnj eklg ijfhrj tnj zldk wes eggjg. Wnj rjsubts hf tnls jxpjrlmjdt wjrj pbhjg hd tnj semj `rlg edg beijbbjg es `repn 9. (l) Jxpbeld wny tnj rjekhd mlxturj ld tnj sjkhdg jxpjrlmjdt khdtelds khppjr mjteb. Ldkbugj ed jquehd ld yhur jxpbedehd.

 

........................................................................................................................................ ................................................................................................................................. ........................................................................................ ......................................... S9] (ll) Jxpbeld nhw `repn 9 snhws tnet khppjr ketebysjs tnj rjekhd.

........................................................................................................................................ ........................................................................................................................................ ....................................................................................................................................S;]

9. [hglum knbhretj(L) gjkhmphsjs th fhrm shglum knbhrlgj edg hxy`jd. Wnj retj hf tnls rjekhd ls vjry sbhw et rhhm tjmpjreturj prhvlgjg tnj shglum knbhretj(L) ls sthrjg ld e gerc ihbj th prjvjdt jxphsurj th bl`nt.

[hglum knbhretj(L) ls pbekjg ld tnj esc edg 1.9 ` hf khppjr(LL) hxlgj ls eggjg. Wnls ketebysjs tnj gjkhmphslhd hf tnj shglum knbhretj(L) edg tnj vhbumj hf hxy`jd khbbjktjg ls mjesurjg jvjry mldutj. Wnj rjsubts erj pbhjg th `lvj e `repn hf tnj typj snhwd ijbhw.

 

(l) Jxpbeld wny tnj `regljdt (sbhpj) hf tnls `repn gjkrjesjs wltn mj. ............................................................................................................................... ...............................................................................................................................

........ ................................................................................................................................ ................................................................................................................................ ...S9] (ll) Khiebt(LL) hxlgj ls e mhrj jkljdt ketebyst fhr tnls rjekhd tned khppjr(LL) hxlgj. [cjtkn, hd tnj `rlg, tnj `repn fhr tnj rjekhd ketebysjg iy khiebt(LL) hxlgj. Ebb htnjr khdglhds wjrj cjpt khdstedt. S9] lll) Pnet ked yhu gjgukj frhm tnj khmmjdt tnet shglum knbhretj(L) nes th ij snljbgjg frhm bl`nt8

....................................................................................................................................S5] (lv) Jxpbeld, ld tjrms hf khbblslhds ijtwjjd perkbjs, wny tnj ldleb `regljdt whubg

ij stjjpjr lf tnj jxpjrlmjdt wes rjpjetjg et e nl`njr tjmpjreturj. ...................................................................................................................... ...................................................................................................................... ...................................................................................................................... ...................................................................................................................... ................................................................S;]

;. Nygrh`jd pjrhxlgj gjkhmphsjs th fhrm wetjr wetjr edg hxy`jd. Wnls rjekhd ls kete ketebysjg bysjg iy med`edjsj(LV) hxlgj. 9N9H9(eq) ↙ 9N9H(b) + H9(`) Wnj retj hf tnls rjekhd ked ij ldvjs`etjg usld` tnj fhbbhwld` epperetus.

 

71 km; hf equjhus nygrh`jd pjrhxlgj wes put ld tnj esc edg 1.5 ` hf smebb bumps hf med`edjsj(LV) hxlgj wes eggjg. Wnj vhbumj hf hxy`jd khbbjktjg wes mjesurjg jvjry ;1 sjkhdgs. Wnj rjsubts wjrj pbhjg th `lvj tnj `repn snhwd ijbhw.

e) l) Nhw gh tnj retjs et mjs t 5, t9 edg t;

gljr8 ......................................................................................................................................... ......................................................................................................................................... .... ....................................................................................................................................... S9] ll) Jxpbeld tnj trjdg ld rjekhd retj tnet yhu gjskrlijg ld (e) (l). ............................................................................................................................................. . ............................................................................................................................................ ......................................................................... ................................................................... ....... ................................................................................................................................ ......................................................................... ....................................................... S9] i) Wnj jxpjrlmjdt wes rjpjetjg usld` 1.5 ` hf djby phwgjrjg med`edjsj(LV) hxlgj. Ebb tnj htnjr verleibjs wjrj cjpt tnj semj. (l) Hd tnj exjs hpphsltj, scjtkn tnj `repn tnet whubg ij jxpjktjg. S9]

 

(ll) Jxpbeld tnj snepj hf tnls `repn. .......................................................................... ............................................................................................................................. ................................................... ........................................................................................................................................ ........................................................................................................................................ ....S9]

7. Hdj hf tnj fekthrs wnlkn gjtjrmldj tnj rjektlhd retj hf shblgs ls pertlkbj slzj. (e) E mlxturj hf djby phwgjrjg ebumldlum edg elr mey jxpbhgj wnjd l`dltjg. Ed jxpbhslhd ls e vjry fest jxhtnjrmlk j xhtnjrmlk rjektlhd. Wnls keusjs e ber`j edg suggjd ldkrjesj ld tjmpjreturj.

Jxpbeld jekn hf tnj fhbbhwld` ld tjrms hf khbblslhds ijtwjjd rjektld` pertlkbjs. l) Pny ls tnj rjektlhd ijtwjjd djby phwgjrjg ebumldlum edg elr vjry fest8

................................................................................................................................ ................................................................................................................................ ................................. S9] ll) Jxpbeld wny fhr mhst rjektlhds tnj retj hf rjektlhd gjkrjesjs wltn tlmj.

................................................................................................................................ ................................................................................................................................ ................................. S9] lll) [u``jst ed jxpbedetlhd wny tnj retj hf rjektlhd ld ed j jxpbhslhd xpbhslhd khubg

ldkrjesj retnjr tned gjkrjesj wltn tlmj. ................................................................................................................................ ................................................................................................................................ ................................................................................................................................ .................................................... S;] i) l) @lvj edhtnjr jxempbj hf e suistedkj htnjr tned e mjteb wnlkn, wnjd djby

phwgjrjg, ml`nt jxpbhgj wnjd l`dltjg ld elr. ................................................................................................................................ .............. S5] ll) Gjskrlij e slmpbj tjst-tuij rjektlhd wnlkn snhws tnj jjkt hf pertlkbj slzj hd

tnj retj et wnlkn e shblg rjekts wltn e shbutlhd. ................................................................................................................................ ................................................................................................................................ ................................................................................................................................ .................................................... S;]

 

:. Wnj spjjg (retj) hf e knjmlkeb rjekhd gjpjdgs hd e dumijr hf fekthrs wnlkn ldkbugj tjmpjreturj edg tnj prjsjdkj hf e ketebyst. (e) Yjekhd spjjg ldkrjesjs es tnj tjmpjreturj ldkrjesjs. (l) Jxpbeld wny rjekhd spjjg ldkrjesjs wltn tjmpjreturj.

.................................................................................................................................... .... .................................................................................................................................... ................................................................................................................................ ........................................................................................ ........................................ ........ ...................................................................................................................... ........................................................................................ .............................. S;] (ll) Yjekhds ldvhbvld` jdzymjs gh dht fhbbhw tnj eihvj pejrd. Wnj fhbbhwld` `repn snhws nhw tnj spjjg hf sukn e rjekhd verljs wltn tjmpjreturj.

[u``jst ed jxpbedehd wny ldlebby tnj rjekhd spjjg ldkrjesjs tnjd eihvj e kjrteld tjmpjreturj tnj spjjg gjkrjesjs. .................................................................................................................................... .... .................................................................................................................................... .......................................................................................................................... ........................................................................................ .................................. S9] i) Ed hr`edlk khmphudg gjkhmphsjs th `lvj h dltrh`jd.

 

(l) Wnj rjekhd ls ketebysjg iy khppjr. [cjtkn tnj `repn fhr tnj ketebysjg rjekhd hd tnj gle`rem eihvj. S9] (ll) Nhw ghjs tnj spjjg hf tnls rjekhd very wltn mj8 ................................................................................... .............................................................................................................................. ........................................... S5] (lll) Pny ghjs tnj spjjg hf rjekhd very wltn mj8 ................................................................................... ............................................................................................................................... ............................................ ..... ........................................................................ ................................................................................................................................... ........................................................... S9]

6. Wnj jquehd fhr tnj rjekhd ijtwjjd shglum tnlhsubfetj edg nygrhknbhrlk eklg ls `lvjd ijbhw. De9[9H;(eq) + 9NKb (eq) (eq) ↙ 9DeKb (eq) (eq) + [(s) + [H9(`) + N9H(b) Wnj spjjg hf tnls rjekhd wes ldvjs`etjg usld` tnj fhbbhwld` jxpjrlmjdt. E ijecjr khdteldld` :1 km; hf 1.9 mhb / gm; shglum tnlhsubfetj wes pbekjg hd e ibekc krhss. :.1 km; hf 9.1 mhb / gm; nygrhknbhrlk eklg wes eggjg edg tnj kbhkc wes stertjg.

 

Ldlebby tnj krhss wes kbjerby vlslibj. Pnjd tnj shbuhd ijkemj kbhugy edg tnj krhss khubg dh bhd`jr ij sjjd, tnj kbhkc wes sthppjg edg tnj mj rjkhrgjg. ;

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(e) Wnj jxpjrlmjdt wes rjpjetjg wltn 9: km hf 1.9 mhb / gm shglum tnlhsubfetj edg 9: km; hf wetjr. Wyplkeb rjsubts fhr tnls jxpjrlmjdt edg e furtnjr twh jxpjrlmjdts erj `lvjd ld tnj teibj. (l) Jxpbeld wny lt ls djkjssery th cjjp tnj thteb vhbumj tnj semj ld ebb tnj jxpjrlmjdts.

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...................................................................................................................................... .......................................................................... ............................................................ S9] (ll) Khmpbjtj tnj teibj. S5]

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(lll) Nhw edg wny ghjs tnj spjjg hf tnj rjekhd very frhm jxpjrlmjdt 5 th 78 ...................................................................................................................................... ...................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... S;] (i) Wnj lgje hf khbblslhds ijtwjjd rjekd` perkbjs ls usjg th jxpbeld kned`js ld tnj spjjg

hf rjekhds. Zsj tnls lgje th jxpbeld tnj fhbbhwld` rjsubts.

.................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... ............................................................................................................................................... ......................................................................... ...................................................................... S7]

0. Wnj gjkhmphsltlhd hf nygrh`jd pjrhxlgj ls l s ketebysjg iy med`edjsj( LV) hxlgj. 9N9H9(eq) ↙ 9N9H(b) + H9(`)  Wh :1 km; hf equjhus nygrh`jd pjrhxlgj, 1.:1 ` hf med`edjsj( LV) hxlgj wes eggjg. Wnj vhbumj hf hxy`jd fhrmjg wes mjesurjg jvjry 91 sjkhdgs. Wnj evjre`j rjektlhd retj wes kebkubetjg fhr jekn 91 sjkhdg ldtjrveb.

(e) Jxpbeld nhw tnj evjre`j rjektlhd retj, 9.7 km ; / s, wes kebkubetjg fhr tnj rst 91 sjkhdgs.

...................................................................................................................... ...................................................................................................................... ..............................S9] (i) Khmpbjtj tnj teibj. S5]

 

(k) Jxpbeld wny tnj evjre`j rjektlhd retj gjkrjesjs gj krjesjs wltn tlmj. ............................................................................................................. ...................................................................................................................... .......................................S9] (g)  Wnj jxpjrlmjdt wes rjpjetjg iut 5.1 ` hf med`edjsj( LV) hxlgj wes eggjg. Pnet jjkt, lf edy, whubg tnls nevj hd tnj rjektlhd retj edg hd tnj deb

vhbumj hf hxy`jd8 @lvj e rjeshd fhr jekn edswjr. jjkt hd retj ............................................................................................................... ....................S5] rjeshd .......................................................................................................... ...................................................................................................................... ......................................... S9] jjkt hd deb vhbumj hf hxy`jd ...................................................................................................................... .............S5] rjeshd .......................................................................................................... ...................................................................................................................... ..........................................S9]

>. Wnj retj hf e rjekhd gjpjdgs hd khdkjdtrehd hf rjektedts, tjmpjreturj edg phssliby e ketebyst hr bl`nt. ; ; (e) E pljkj hf me`djslum rliihd wes eggjg th 511 km hf 5.1 mhb/gm nygrhknbhrlk eklg. Wnj nygrh`jd jvhbvjg wes khbbjktjg ld e `es syrld`j edg lts vhbumj mjesurjg jvjry ;1 sjkhdgs.

 

Ld ebb tnj jxpjrlmjdts mjdhdjg ld tnls qujshd, tnj eklg wes ld jxkjss. Wnj rjsubts wjrj pbhjg th `lvj e `repn.

(l) Wnj jxpjrlmjdt wes rjpjetjg. Wwh pljkjs hf me`djslum rliihd wjrj eggjg eggjg th ; ; 511 km hf 5.1 mhb/gm nygrhknbhrlk eklg. [cjtkn tnls `repn hd tnj semj `rlg edg beijb lt ^. S9]

 

(ll) Wnj jxpjrlmjdt wes rjpjetjg rjpjetjg usld` hdj pljkj hf me`djslum me`djslum rliihd edg 511 511 km ; hf 5.1 mhb/gm jtnedhlk eklg. Gjskrlij nhw tnj snepj hf tnls `repn whubg gljr frhm tnj hdj `lvjd hd tnj `rlg.

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........................................................................................................................................ ..................................................................................................................................S9] (i) Yjekhd retj ldkrjesjs wnjd khdkjdtrehd hr tjmpjreturj ls ldkrjesjg. Zsld` tnj lgje hf rjekd` perkbjs, jxpbeld wny3 ldkrjesld` khdkjdtrehd ldkrjesjs rjekhd retj, .................................................................................................................................................... ............................................................................................................................................. ......................................................................... .................................................................... S9] ldkrjesld` tjmpjreturj ldkrjesjs rjekhd retj. .................................................................................................................................................... ............................................................................................................................................. ......................................................................... .................................................................... S9] (k) Wnj retj hf e pnhthknjmlkeb rjekhd ls ejktjg iy bl`nt. E rjekhd, ld pbedts, ijtwjjd kerihd glhxlgj edg wetjr ls pnhthknjmlkeb. (l) Demj tnj twh prhgukts hf tnls rjekhd. .................................................................................................................................................... ............................................................................................................................................. ......................................................................... .................................................................... S9] (ll) Wnls rjekhd wlbb hdby hkkur ld tnj prjsjdkj hf bl`nt edg edhtnjr knjmlkeb. Demj tnls knjmlkeb. ................................................................................................................................ ............... S5]