Page 91 - PRAKTIS BELAJAR FISIKA SMA KELAS XII

1 N) 4 ) 2 1 P = C
2 P = C

2 ) 5 N ) 2 3 P = C

3 N) 2 4 P = C
5 P = C

(141 ;55=@1D CE4ED C52E18 @5BC579 C9C9 3=
D5B<5D1; =E1D1> <9CDB9; "9;1 4E1 =E1D1> H1>7 (141 71B9C H1>7 =5<1<E9 D9D9; 41> D5B41@1D CE1DE
=E1D1> D9D9; "1B1; D9D9; 41> 141<18 =5D5B
25BD5D1>771 141<18 41> N @?D5>C91<
<9CDB9; 49 D9D9; @EC1D @5BC579 141<18 (?D5>C91< 49;EB1>79 @?D5>C91< 141<18

1 P F?<D 4 N P F?<D F?<D <5;DB?> =1CC1 % ;7 41> =E1D1> )

3?E<?=2 49<5@1C 49 D9D9; =1;1 5<5;DB?> D5BC52ED
2 N P F?<D 5 >?<

3 P F?<D 25B75B1; 45>71> <9>D1C1> <EBEC

=5>41@1D D1=2181> 5>5B79 ) :?E<5
(?D5>C91< 49 CE1DE D9D9; H1>7 25B:1B1; * 41B9 =E1D1>
141<18 . !>D5>C9D1C =541> 49 D9D9; D5BC52ED =5=@E>H19 25C1B ;535@1D1> 1;89B ) = C
141<18 & "9;1 # P &= 25C1B %

=E1D1> 141<18 M =5=@E>H19 @5B35@1D1> ) = C
1 P %
N
N
2 P (5B>H1D11> H1>7 25>1B 141<18 M
N
3 P 1 41> 4
4 P 2 41> 5 41> 41>
N
5 P 3 41>
N
+57E=@1< 1G1> =5=@E>H19 @?D5>C91< P F?<D +52E18 5<5;DB?> =5<1:E 49 41<1= D12E>7 @5C1G1D ,.

D5B8141@ E=9 #5D9;1 D5B:149 ;9<1D 1>D1B1 1G1> 41> H1>7 25BD571>71> . 5C1B>H1 =?=5>DE= 5<5;DB?>
E=9 CE1DE =E1D1> <9CDB9; C525C1B 49<5@1C;1> D5BC52ED C11D =5=25>DEB ;131 ,. 141<18 M
1>H1;>H1 5>5B79 H1>7 89<1>7 @141 @5B9CD9G1 1 P &C
N
N
D5BC52ED 141<18 M 2 P &C
1 P " 3 P &C
N
N
2 P " 4 P &C
N

N
3 P " 5 P &C

4 P " +52E18 ;1@1C9D?B D5B25>DE; 41B9 4E1 <5=@5>7 1<E=9>9E=

5 P " H1>7 <E1C @5B=E;11>>H1 = 49@9C18;1> ?<58 C5<5=21B

N
+52E18 5<5;DB?> 45>71> =1CC1 P ;7 41> ;5BD1C @1B169> H1>7 D521<>H1 == 41> ;?>CD1>D1
=E1D1> N P 25B75B1; 41B9 C1DE D9D9; ;5 D9D9; 495<5;DB9;>H1 "9;1 P &= ;1@1C9D1C

N
N
0
<19> 41<1= BE1>7 H1>7 @?D5>C91<>H1 F?<D <5298 ;1@1C9D?B D5BC52ED 141<18 M
D9>779 >5B79 ;9>5D9; H1>7 49@5B?<58 5<5;DB?> 41<1= 1
@5B@9>4181> ;54E4E;1> D5BC52ED 141<18 M 2
N
5. P 3
1 5. 4 5. 4
2 5. 5 5. 5
3 5.
+52E18 5<5;DB?> H1>7 =E<1 =E<1 491= ;5=E491> +52E18 ;1@1C9D?B =5=@E>H19 ;1@1C9D1C C525C1B
:9;1 141 E41B1 49 1>D1B1 ;5@9>7 ;5@9>7>H1 41>
25B75B1; =5<1<E9 2541 @?D5>C91< . "9;1 =1CC1 :9;1 1>D1B1 ;5@9>7 ;5@9>7>H1 49D5=@1D;1> <5=21B1>
5<5;DB?> P ;7 41> =E1D1>>H1 N P @?BC5<5> #?>CD1>D1 495<5;DB9; @?BC5<5> 141<18 M
N
N
5>5B79 ;9>5D9; 1;89B>H1 141<18 M 1 4
1 " 4 N P N " 2 5
2 P N " 5 P N " 3
3 P N "
+52E18 ;1@1C9D?B ;5@9>7 C5:1:1B 49 E41B1 =5=@E>H19
+52E18 5<5;DB?> H1>7 =E<1 =E<1 491= ;5=E491> ;1@1C9D1C "9;1 :1B1; ;54E1 ;5@9>7>H1 49E218
25B75B1; =5<1<E9 2541 @?D5>C91< . "9;1 =1CC1 1
5<5;DB?> P N ;7 41> =E1D1>>H1 N P =5>:149 ;1<9 C5=E<1 41> ;54E1 ;5@9>7 4935<E@;1>
N
2
=1;1 5>5B79 @?D5>C91<>H1 1;1> DEBE> C525C1B M ;5 41<1= =549E= 45>71> ;?>CD1>D1 495<5;DB9;E=
1 P 5. 4 P 5. ;1@1C9D1C>H1 =5>:149 M

2 P 5. 5 P 5.

3 5. 1 1 4
4
E1 2E18 5<5;DB?> 45>71> ) N P 41>
N
% P ;7 49<5@1C;1> 41B9 ;51411> 491= @141 2 1 5
N
C11D 25B:1B1; P = #535@1D1> 5<5;DB?> D5BC52ED 3 2
N
N
;5D9;1 ;54E1>H1 25B:1B1; P = 141<18 M
$;+5=3< /6+4+; 3<35+ >8=>5 /6+< *