Page 165 - PRAKTIS BELAJAR FISIKA SMA KELAS XII
P. 165
0"- % ! ' % "%*"3* &/%" *4".
2 .5*; ) 7-* <.5*1
6.69.5*3*:2 +*1?* ;*5*1 5,5. 4&'"/ 0-4:."//
;*<= ,*:* 9.:927-*1*7 4*58:
*-*5*1 6.5*5=2 :*-2*;2 )5A>18;18 >41 =5=5A81C9;1> @9:1A 1@9 &1>1;18 H1>7 =5>DADC
9*4*1 A*70 7-* 4.<*1=2 @5>71=1C1> >41 <5298 @1>1B 1C1D =5=9<9;9 BD8D <5298 C9>779 >H1<1 =5A18
<.7<*70 :*-2*;2
*0*26*7*4*1 ;2/*< ;2/*< 1C1D 29AD ->CD; =5A1B1;1> @5A25411> @1>1B>H1 3?21<18 >41 <1;D;1>
0.586+*70 .5.<:86*07.<24 5;B@5A9=5> B545A81>1 25A9;DC 9>9 B531A1 25A;5<?=@?;
9*4*1 A*70 7-* 4.<*1=2
<.7<*70 ;2/*< ;2/*< 9*:<24.5 ")*2 &/&-*4*
%.'!-!3) !$)!2) !.!2 $!1) 0)
,!3 $!. !(!.
+52D18 <9<9>
)5=21;1A B@9A9CDB
$?A5; 1@9
1/2%$41
%1;D;1> @A?B54DA 25A9;DC 9>9 25AB1=1 C5=1>=D 45>71> 81C9 81C9
+91@;1> 1<1C 41> 2181>
'H1<1;1> <9<9> 41> @5=21;1A B@9A9CDB
)5A81C9;1> >H1<1 1@9 41A9 <9<9> 41> @5=21;1A B@9A9CDB 1719=1>1;18 >H1<1
1@9 ;54D1>H1
5;1C;1> C1>71> ;9A9 >41 @141 >H1<1 1@9 <9<9> B541>7;1> C1>71> ;1>1>
>41 @141 >H1<1 1@9 @5=21;1A B@9A9CDB 45>71> :1A1; H1>7 B1=1 81C9 81C9
:1>71> B1=@19 =5>H5>CD8 1@9>H1
& - " + " ) ,1>71> =1>1;18 H1>7 C5A1B1 <5298 @1>1B
* 3 * , " &5>71@1 >H1<1 1@9 C5A1B1 @1>1B =5B;9@D> C1>71> >41 C941; =5>H5>CD8>H1
@1 H1>7 41@1C >41 B9=@D<;1> 41A9 ;5791C1> C5AB52DC
9B;DB9;1> 45>71> C5=1> ;5<?=@?; >41 ;5=D491> 2D1C<18 <1@?A1>>H1 D>CD;
03&1) 4&'"/ 49;D=@D<;1> @141 7DAD >41
;
>41 1;1> =5A1B1;1> 218F1 1@9 H1>7 =5>H1<1 29AD <5298 @1>1B 41A9
@141 1@9 H1>7 =5>H1<1 =5A18 )1>1B 5>5A79 41A9 1@9 B1=@19 ;5 C1>71> >41
=5A1=21C B531A1 A1491B9 H1;>9 @5A@9>4181> @1>1B C1>@1 =549D= @5A1>C1A1
@1;18 81>H1 1@9 H1>7 =5A1491B9;1> @1>1B #1F121>>H1 C5>CD C941; +5C91@
25>41 H1>7 =5=9<9;9 BD8D <5298 25B1A 41A9 <9>7;D>71>>H1 1;1> =5A1491B9;1>
5>5A79 C5A=1BD; CD2D8 =1>DB91 )1>1B 49A1491B9;1> 41<1= 25>CD; 75<?=21>7
5<5;CA?=17>5C9; 5<?=21>7 C5AB52DC 141 H1>7 41@1C 49<981C ;525A1411>H1
41> 141 :D71 H1>7 C941; 1<1= ;1BDB 1@9 C149 75<?=21>7 5<5;CA?=17>5C9;
H1>7 49=1;BD4 141<18 3181H1 =5A18 41> 3181H1 29AD
*1491B9 5>5A79 41A9 B52D18 25>41 25A71>CD>7 @141 :5>9B D;DA1> 41> BD8D
25>41 /2%0( 3%&!. 41> 4$6)' /,39-!.. =5>5=D;1> 218F1 <1:D 5>5A79
A1491B9 41A9 25>41 B521>49>7 45>71> <D1B @5A=D;11> 25>41 41> @1>7;1C 5=@1C
8;.91 $<./*7 -25*12:4*7 -2 41A9 C5=@5A1CDA =DC<1;>H1 +531A1 =1C5=1C9B +C561> ?<CI=1>> =5AD=DB;1>
-*.:*1 927002:*7 -.;* $< 218F1 <1:D 5>5A79 A1491B9 H1>7 49@1>31A;1> 25>41 =5=5>D89 @5AB1=11>
".<.: -.4*< 5*0.7/=:<
=;<:*52* "*-* $<./*7 N
6.6*;=42 &72>.:;2<*; '2.77* '
=7<=4 6.7-*5*62 *<.6*<24*
-*7 2;24* 4.6=-2*7 5=5=; 45>71> <1:D 5>5A79 41H1 A1491B9 # B 1C1D F1CC
9*-* $<./*7 <.5*1 5=9B9E9C1B 25>41
6.6=+524*;24*7 1*692: N
*:<24.5 -*7 A*70 9*5270 ;?>BC1>C1 +C561> ?<CI=1>> P / = $ 41>
<.:4.7*5 *-*5*1 =4=6 2;24* BD8D =DC<1; 25>41 $
7.:02 9*-* A*70 <D1B @5>1=@1>7 25>41 H1>7 =5=1>31A;1> @1>1B =
6.73.5*;4*7 :*-2*;2 +.7-* +5C91@ 25>41 =5=9<9;9 ;5=1=@D1> =5A1491B9;1> 5>5A79 41<1= 25>CD;
12<*6
75<?=21>7 5<5;CA?=17>5C9; H1>7 25A2541 2541 $5=1=@D1> =5A1491B9;1>
5.#&2
5>5A79 41<1= 25>CD; 75<?=21>7 5<5;CA?=17>5C9; 49B52DC ! & ) ' & @141
":*4<2; .5*3*: 2;24* =7<=4 .5*; )