Page 72 - PRAKTIS BELAJAR FISIKA SMA KELAS XII

) # / N
!3086-
$/0 + , 5 =5>E>:E;;1> 218G1 ;E1D =541> <9CDB9; @141 CE1DE )5(%6
D9D9; 49 C5;9D1B C52E18 =E1D1> <9CDB9; C521>49>7 45>71> 25C1B =E1D1>>H1
41> 25B21>49>7 D5B21<9; 45>71> ;E14B1D :1B1; D9D9; ;5 =E1D1> D5BC52ED >+ :+;=35/6 7+<381 7+<381

5>71> ;1D1 <19> :9;1 =E1D1>>H1 49:149;1> ;1<9 C5=E<1 @141 :1B1; H1>7 ,/;7>+=+8 .+8 A+81

,/<+; .+8 4/83<8A+ =3.+5
D5D1@ ;E1D =541> <9CDB9;>H1 =5>:149 ;1<9 C5=E<1 ;1> D5D1@9 :9;1 :1B1;>H1 .35/=+2>3 =/;:3<+2 .+;3 " 3
49:149;1> ;1<9 C5=E<1 =E1D1> CE=25B>H1 D5D1@ ;E1D =541> <9CDB9;>H1 +8=+;+ 5/.>+ 7>+=+8 =/;</,>=
.+8 :+.+ 1+;3< 2>,>818A+

1;1> =5>:149 ;1<9 C5=E<1 ;1B5>1 ;E1D =541> 25B21>49>7 D5B21<9; 45>71> =/;.+:+= =3=35 $ :+.+ 4+;+5

;E14B1D :1B1;>H1 .+;3 % 35+ 7/.+8 63<=;35 .3

=3=35 $ 7+5+
#E1D =541> <9CDB9; 49 CE1DE D9D9; 1;921D 2525B1@1 CE=25B =E1D1> D9D9; + .+8 +.+6+2 7>+=+8

49D5>DE;1> 45>71> 31B1 =5>:E=<18;1> C531B1 F5;D?B C5=E1 ;E1D =541> <9CDB9; 7>+=+8 A+81 =3.+5 </4/83<
H1>7 49D9=2E<;1> ?<58 C5D91@ =E1D1> C5@5BD9 H1>7 D5<18 49<1;E;1> E>DE; , :9=/8<3+6 .3 =3=35 $ A+81
=5>789DE>7 71H1 ?E<?=2 @141 C52E18 =E1D1> ?<58 2525B1@1 =E1D1> <19> .3</,+,5+8 96/2 .+8

<+7+
- ,/<+; 7>+=+8 5+63

,/<+; 7>+=+8 .+8

</4/83<
. ,/<+; 7>+=+8 5+63

,9D9; ( 25B:1B1; 3= 41B9 C52E18 =E1D1> D9D9; H1>7 25C1B>H1 ,/<+; 7>+=+8 .+8

1 9DE>7 25C1B 41> 1B18 =541> <9CDB9; 49 D9D9; ( </4/83<
2 5B1@1 @5B35@1D1> 1G1< =E1D1> ) H1>7 49<5@1C;1> 41B9 D9D9; ( :9;1 / ,/<+; 7>+=+8 5+63

=1CC1>H1 7 ,/<+; 7>+=+8 .+8

</4/83<
3 ! )2;)0)6%-%2
N
N
9;5D18E9 * 3= = P ) P
41> % 7 P ;7 : :
N

1 5C1B ;E1D =541> <9CDB9; 49 D9D9; ( 141<18 $

"

# &= &

* = 35/=+2>3 :
41> 1B18>H1 =5>:1E89 =E1D1> : : C :

: C :

2 5B41C1B;1> E;E= #54E1 &5GD?> 1H1 H1>7 491<1=9 =E1D1> ) 49 : :
%
D9D9; ( 25B41C1B;1> $/0 + , 5 141<18

N
) P P & &
C589>771 @5B35@1D1> 1G1<>H1
&

= C

% ;7

1

E1 2E18 =E1D1> <9CDB9; =1C9>7 =1C9>7 41> N D5B@9C18 @141 </4/83<

4

:1B1; 3= C1DE C1=1 <19> ,5>DE;1> 25C1B 41> 1B18 =541> <9CDB9; 49 D9D9; ( :9;1 %:%& )
1 D9D9; ( D5BC52ED 25B141 @141 71B9C 8E2E>7 ;54E1 =E1D1> C5:1E8 3= 41B9 #
1D1E 3= 41B9 ) 41>

2 D9D9; ( 25B141 @141 :1B1; 3= 41B9 41> 3= 41B9

3 !
%541> <9CDB9; 49 C5;9D1B 4E1 2E18 =E1D1> <9CDB9; =5BE@1;1> B5CE<D1> 41B9 =541>
<9CDB9; H1>7 49D9=2E<;1> ?<58 C5D91@ =E1D1> D5BC52ED '<58 ;1B5>1 9DE >41 D5B<5298
418E<E 81BEC =5>771=21B;1> 1B18 =541> 49 D9D9; ( H1>7 49C5212;1> ?<58 C5D91@
=E1D1>
6/5=;9<=+=35+