Bengkel Teknik Menjawab Fizik Spm 2016

BENGKEL SCORE A+ PHYSICS PAPER 2 SPM 2016

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Diagram 1 shos a !h"rmom"!"r is #s"$ !o m"as#r" !h" !"m%"ra!#r" o& ho! a!"r'

)i* Nam" o" !,%" o& -i.#i$ #s"$ i !h" !h"rmom"!"r' M"r4#r, 5

a-4oho-

/////////// //// 1 mar )ii* Gi3" o" r"aso "%a$ #i&orm-, 5 &or !h" as"r i $o"s o! s!i4 !o 1)a*)i*'

g-ass 5 o%a.#" 5

)i* Com%-"!" !h" &o--oig s"!"4" 7, !i4ig )8* !h" 4orr"4! as"r'  9h" !"m%"ra!#r" o& a!"r is !a" h" !h" -i.#i$ i !h" !h"rmom"!"r //'' s!ar!s !o "%a$'

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//'' s!o%s "%a$ig 1 mar

9h"rma)ii* Nam" !h" %h,si4s %ri4i%-" ".#i-i7ri#mi3o-3"$ i

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Diagram 2 shos a is!r#m"! hi4h is #s"$ !o m"as#r" a!mos%h"ri4 %r"ss#r"' )a* Bas"$ o Diagram 2; )i* Nam" !h" is!r#m"! hi4h is #s"$ !o m"as#r" !h" a!mos%h"ri4 %r"ss#r"'

Barom"!"r

///////////////////// /' )ii* S!a!" o" r"aso h, m"r4#r, is #s"$ i !h" is!r#m"!'

High"r $"si!, 55 ///////////////////// o%a.#" 55 o s!i4  //

)7* Bas"$ o Diagram 2; )i* S!a!" !h" a!mos%h"ri4 %r"ss#r" i !h" #i! o& 4m Hg'

?6 4m Hg ///////////////// / Ca-4#-a!" !h" a!mos%h"ri4 %r"ss#r" i !h" #i! o& Pas4a-' D"si!, o& m"r4#r, < 1='6  10= g m>=

P < @gh < 1=600  10  0'?6 < 1'0=  10 P  Pa a

Diagram 3.2 shows the electromagnetic spectrum.

(a) State the electromagnetic wave R.

Gamma ra .......................................................................... [1 mark] Give one reason wh microwave is use! in satelite communication. "iger #re$uenc % higher energ& shorter ' .......................................................................... [1 mark]

 ra!io station emits ra!io wave at a #re$uenc o# 1 *"+. (i) State the #re$uenc in the unit o# "+.

100  106 < 1  10 (ii) ,alculate the wave length o# the ra!io wave.[spee! o# ra!io wave is 3 - 1 . m s/1]

3 < &  < =  10 5 1  10 1 g

 Diagram '1 a$ Diagram '2 sho !h" ra, $iagram o& a ma s!a$ig a! !o $i"r"! $is!a4"s i &ro! o& a 4o4a3" ha! is !h" mirror' 4hara4!"ris!i4 o& !h" imag" &orm"$ i Diagram '1 9i4 )8* !h" 4orr"4! as"r i !h" R"a- imag"

)7* O7s"r3"$ Diagram '1 a$ Diagram '2' )i* Com%ar" !h" o7"4! $is!a4"'1 O7"4! $is!a4" i Diagram is -og"r Imag" $is!a4" i Diagram '1 )ii*Com%ar" !h" imag" $is!a4" is shor!"r Si" o& imag" i Diagram '1 is )iii*Com%ar" !h" si" o& !h" imag" sma--"r

)4* Bas"$ o !h" as"r i )7*; )i* S!a!" !h" r"-a!ioshi% 7"!"" o7"4! O7"4! $is!a4" -arg"r; imag" $is!a4" a$ !h" imag" $is!a4" shor!"r 5 i3"rs"-, $is!a4"' %ro%or!ioaO7"4! $is!a4" -og"r; si" o& !h" )ii* S!a!" !h" r"-a!ioshi% 7"!"" imag" sma--"r 5 i3"rs"-, o7"4! %ro%or!ioa$is!a4" a$ !h" si" o& !h" imag"'

)$* Diagram '= shos a %ara7o-i4 $ish !ha! is #s"$ !o r"4"i3" siga-s &rom a )i* h"r" sho#-$ !h" !"-"3isio r"4"i3"r 7" %-a4"$ s!a!io' !o o7!ai !h" s!rog"s! siga- A! !h" &o4a- %oi! 5  )ii*Gi3" o" r"aso &or ,o#r as"r i )$*)i*' 9h" o7"4! is a! iFi!, 5 3"r, &ar aa,  %ara--"- siga- is r""4!"$ 5

6 Diagram 6'1 shos !h" a3" %a!!"r h" a!"r a3" mo3"s &rom r"gio A !o r"gio B i a ri%%-" !a'

Diagram 6'2 shos !h" 4ross> s"4!io o& a ri%%-" !a' 9h" a3"-"g!h o& !h" a!"r 4hag"s as i! mo3"s &rom r"gio A !o r"gio B'

)a* ha! is !h" m"aig o& a3"-"g!h 9h" $is!a4" 7"!"" !o s#44"ssi3" %oi!s hi4h ar" i%has"'  Dis!a4" 7"!"" !o 4os"4#!i3" 4r"s!s or !ro#gh

Bas"$ o Diagram 6'1 a$ Diagram 6'2; )i* Com%ar" !h" a3"-"g!h 7"!"" r"gio A a$ a3"-"g!h i r"gio A isr"gio B' -og"r )ii*4om%ar" !h" i4i$"! ag-"; Q1 a$ r"&ra4!"$ ag-";!ha Q2' I4i$"! ag-" is -arg"r r"&ra4!"$ ag-" )iii*4om%ar" !h" $"%!h o& a!"r 7"!"" r"gio A a$ r"gio B' $"%!h o& a!"r i r"gio A is $""%"r

)4* Bas"$ o as"rs i 6)7*; )i* s!a!" !h" r"-a!ioshi% 7"!"" !h" $"%!h o& a!"r a$ !h" Asa3"-"g!h' !h" $"%!h i4r"as"s; !h" a3"-"g!h i4r"as"s )ii*Com%-"!" !h" s"!"4" 7"-o' h" a!"r a3" !ra3"-s &rom a $""% !o a sha--o  r"gio; !h" $ir"4!io o& %ro%aga!io is r"&ra4!"$ !oar$s !h" orma-'

)$* E%-ai h, mos! 7"a4h r"sor!s ar" 7#i-! a! !h" 7a, ar"a 4om%ar"$ !o !h" s!  9h" ""rg, o& !h" a3" 1h"a$-a$' s%r"a$ a! !h" 7a, 5!h" a3" r"&ra4!"$ !oar$s !h" orma2$  4a-m"r s"a 5 sma--"r am%-i!#$"

? A s!#$"! is r#ig a 200 m "3"!' Diagram ? shos !h" $is!a4">!im" gra%h !o i--#s!ra!" his r#ig'

)a*9i4 )8* !h" 4orr"4! as"r i !h" 7o %ro3i$"$' Dis!a4" S4a-ar is a .#a!i!,

? )i* Bas"$ o Diagram ?; 4a-4#-a!" !h" s%""$ o& !h" s!#$"! a! s"4!io AB' )200  100* 2 > 1  < 10 ms>1

)ii* Com%ar" !h" s%""$ o& !h" s!#$"! a! OA a$ AB' S%""$ OA  s%""$ AB

Bas"$ o !h" &o--oig as%"4!; gi3" s#gg"s!ios o ho !h" r#ig !im" &or 200 m "3"! 4a 7" shor!""$' 9igh! R"$#4"a!!ir" air r"sis!a4" )i* 9h" s!#$"!Ts   R"aso S%i" sho" )ii* 9h" s!#$"!Ts sho" 5s!#$ B"!!"r gri%   R"aso S!ar!ig )iii* 9h" ".#i%m"! #s"$ a! !h" 7-o4  I4r"as" &orar$ &or4" 5 s!ar!ig -i" mom"!#m

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Diagram '1 shos a m"!a- 4oa!"$ %o-,s!,r"" 7a-- hag 7"!"" !o m"!a- %-a!"s; R a$ S' 9h" m"!a- %-a!"s ar" 4o"4!"$ !o a E!ra High 9"sio; E'H'9' s#%%-,' A s!rog "-"4!ri4 F"-$ 7"!"" m"!a- %-a!"s R a$ S is %ro$#4"$ h" !h" si!4h is o'

)a*ha! is !h" m"aig o& "-"4!ri4 F"-$ A r"gio h"r" "-"4!ri4 4harg"s "%"ri"4" &or4"s )7*h" !h" m"!a- 4oa!"$ %o-,s!,r"" 7a-- os4i--a!"s 7"!"" !h" !o %-a!"s &or = mi#!"s; 0'= A o& 4#rr"! os i !h" 4ir4#i!' Ca-4#-a!" !h" !o!aU < I! < 0'=  )=  60* < 4harg" !ras&"rr"$ 7"!"" !h"  C !o %-a!"s'

9h" &r".#"4, o& os4i--a!io o& !h" m"!a- 4oa!"$ %o-,s!,r"" 7a-- 4a 7" i4r"as"$ 7, #sig o" o& !h" m"!ho$ -is!"$ i 9a7-" '1'

Bas"$ o 9a7-" '1; s!a!" !h" s#i!a7-" m"!ho$ !o i4r"as" !h" &r".#"4, o& os4i--a!io' Shor! )i* Diam"!"r 7"!"" !h" !o $is!a4" Os4i--a!"s i shor! !im" 5 %-a!"s &as!"r mass   Lo R"aso I4r"as" !h" 4oa!"$ a44"-"ra!io 5 )ii* Mass o& !h" m"!as%""$ %o-,s!,r"" 7a-- High 3o-!ag" I4r"as" "-"4!ri4 F"-$   R"aso Bas"$ o !h" as"rs i )4*)i*; )4* )iii*a$ Vo-!ag" o& 4hoos" E'H'9' s#%%-, )ii* )4*)iii*; !h" mos!   R"aso s#i!a7-" m"!ho$ !o i4r"as"W!h"

)"* 9h" ,-o !hr"a$ i Diagram '1 is r"%-a4"$ i!h a 4o%%"r !hr"a$' )i* ha! ha%%" !o !h" mo!io o& !h" m"!a- 4oa!"$ %o-,s!,r"" s!a!ioar, 7a-- No 4harg" o !h" m"!a)ii*Gi3" a r"aso &or ,o#r i 4oa!"$ %o-,s!r"" 7a--as"r 55 )"*)i*' 4harg" is "ar!h"$

J

Diagram J'1 a$ Diagram J'2 sho !o !o, 7oa!s ar" s"%ara!"$ a! !o $i"r"! $is!a4"s !o "a4h o!h"r $#" !o !h" $i"r"4" i %r"ss#r"' I Diagram J'1; !h" "$ o& !h" r#77"r hos" is %r"ss"$ !o r"$#4" !h" si" o& !h" hos" o-"' )a* ha! is !h" m"aig o& %r"ss#r" or4" %"r #i! ar"a 55

)7*)i* Xsig Diagram J'1 a$ Diagram J'2; 4om%ar" !h" s%""$ o& a!"r s%#r!ig o#! &rom !h" r#77"r hos" a$ !h" $is!a4" o& s"%ara!io 7"!"" !h" !o, 7oa!s'

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S%""$ o& a!"r !ha! s%#rs! o#! i Diagram J'1 is high"r 9h" $is!a4" o& s"%ara!io 7"!"" !h" !o !o, 7oa!s is Diagram J'1 is shor!"r

)7*)ii* S!a!" !h" r"-a!ioshi% 7"!"" !h" s%""$ o& a!"r s%#r!ig o#! a$ !h" $is!a4" o& s"%ara!io 7"!"" !h" !o, 7oa!s !o ma" a $"$#4!io r"gar$ig o& r"-a!ioshi% 7"!"" !h" s%""$ o& 9h" high"r !h" s%""$ o& a!"r; a!"r a$ %r"ss#r"' !h" shor!"r !h" $is!a4" o& ' s"%ara!io 9h" high"r !h" s%""$ o& a!"r; !h" -o"r !h" %r"ss#r" )iii* Nam" !h" %h,si4s %ri4i%-"s i3o-3"$' B"ro#--iTs %ri4i%-" •

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)4* Diagram J'= shos a 4ross s"4!io o& a B#s" 7#r"r' Xsig !h" %h,si4s %ri4i%-"; "%-ai ho a 4om%-"!" 4om7#s!io 4a 7" %ro$#4"$ 7, !h" 7#r"r' 9h" gas &rom !h"B#s" gas !a o i !h" 7#s" 7#r"r[4 marks] A! !h" o-"; !h" 3"-o4i!, o& gas os is 3"r, high A r"gio o& -o %r"ss#r" is %ro$#4"$ a! !h" o-" Air is s#4"$ i 9h" mi!#r" o& gas a$ air %ro$#4ig 4om%-"!"

)$* Diagram J' shos a h,$rom"!"r hi4h is #s"$ !o m"as#r" $"si!, o& a -i.#i$'  Yo# ar" r".#ir"$ !o mo$i&, !h" $"sig i Diagram J' so !ha! !h" h,$rom"!"r is mor" s"si!i3" a$ 4a m"as#r" i$"r rag" o& -i.#i$Ts $"si!,' S!a!" a$ "%-ai !h" mo$iF4a!ios 7as"$ o !h" &o--oig as%"4!s )i* L"g!h o& !h" s!"m )ii* Ma!"ria- o& !h" h,$rom"!"r )iii* Diam"!"r o& !h" s!"m )i3* Si" o& !h" 7#-7

-og"r i$" 5 7ig rag" 55 s"si!i3" 55 sma-- s4a-" $i3isio P-as!i4 55 g-ass A3oi$ 4orrosio Sma-- $iam"!"r 55 arro i4r"as" s"si!i3i!, 5 $"!"4! sma-- 4hag" Big 7#-7 Bo#,a! &or4" 5 mor" "igh! o& a!"r $is%-a4"$ Mor" #m7"r o& -"a$ shor!s S!a7-" 55 7a-a4" •

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Diagram 10'1)a* a$ Diagram 10'2)a* sho !o i$"!i4a- Va $" Graa g""ra!ors 7"ig 4harg"$ &or 1 mi#!" a$  mi#!"s r"s%"4!i3"-,' Diagram 1 10'1)7* a$ Diagram 10'2)7* sho !h" 0 $""4!io o& !h" mi4roamm"!"r %oi!"r h" !h" m"!a- $om" is 4o"4!"$ !o !h" mi4roamm"!"r a$ a m"!a- !a%'

ha! is !h" %h,si4a- .#a!i!, !ha! 4a 7" m"as#r"$ 7, a mi4roamm"!"r C#rr"! 1 mar

)i* Xsig Diagram 10'1 a$ 10'2; 4om%ar" !h" !im" !a" !o 4harg" !h" Va $" Graa g""ra!or; .#a!i!, o& 4harg" %ro$#4"$ o !h" $om" a$ !h"1 ag-" o& $""4!io o& !h" 0 mi4roamm"!"r %oi!"r'

9h" !im" !a" !o 4harg" !h" Va $" Graa g""ra!or i Diagram 10'2)7* is -og"r )3i4" 3"rsa* 82 9h" .#a!i!, o& 4harg" %ro$#4"$ o !h" $om" i Diagram 10'2)7* is gr"a!"r )3i4" 3"rsa*

1  )ii* S!a!" !h" r"-a!ioshi% 7"!"" 0  9h" !im" !a" !o 4harg" !h" Va $" Graa g""ra!or a$ !h" .#a!i!, o& 4harg" %ro$#4"$ o !h" $om"'  9h" .#a!i!, o& 4harg" %ro$#4"$ o !h" $om" a$ !h" 4#rr"! %ro$#4"$' 2 mars

8 9im" i4r"as"; 4harg" i4r"as" 55 !im" Z 4harg" 55 U Z ! 55 . Z ! 55 U < I! 55gra%h 8 4harg" i4r"as"; 4#rr"! i4r"as"

)4* Diagram 10'= shos a F-am"! -am%' E%-ai h, !h" F-am"! i sha%" mor" -igh!' 1 L"g!h 84oi-"$ high%ro$#4"s 5 -og 5 i4r"as" 82 high r"sis!a4" 5 r"sis!i3i!, 5 R 5 @ 8= )%ro$#4" 5 r"-"as"* h"a! 5""rg, 5 %o"r 55 E < I2R! 5 )V25R*! 55 P < I2R 5 P < )V25R* 8 h"a! !o -igh! 55 E-"4!ri4 [ -igh! 55 E-"4!ri4a- [ -igh! 55 h"a! [ -igh!

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