Page 121 - PRAKTIS BELAJAR FISIKA SMA KELAS XII

*91@;1><18 @1@1> =17>5C , 41> 4D1 2D18 ;1GD #5C1;;1><18 =17>5C
, 49 1>C1A1 ;54D1 ;1GD G1>7 25A49A9 41> B5:1:1A ;5=D491> ;D1C;1>
45>71> B5>7 41> B5;AD@
D1C<18 A1>7;191> B545A81>1 G1>7 C5A49A9 1C1B C971 2D18 21C5A19 B1;5<1A
41> & & 25AD;DA1> M 3= G1>7 498D2D>7;1> 45>71>
;1F1C C5=2171 '?B9B9;1> & & 49 1>C1A1 ;54D1 ;DCD2 =17>5C
, B5@5AC9 71=21A
+DCD@<18 B1;5<1A 171A 1ADB <9BCA9; =5>71<9A 41A9 21C5A19 =5<1<D9 & &
@1;18 G1>7 C5A:149 45>71> & &
1<9;;1> @?<1A9B1B9 ;5C971 21C5A19 ;5=D491> <1;D;1> <1>7;18 G1>7 B1=1
@1;18 G1>7 C5A:149 45>71> & &
1>C9<18 =17>5C , 45>71> =17>5C , G1>7 <5298 25B1A C1>@1 =5>1=218
:D=<18 21C5A19 41> @1>:1>7 & & =1C9 G1>7 C5A:149 45>71>
& &
+1=218;1><18 :D=<18 21C5A19 =5>:149 21C5A19 C1>@1 =5>771>C9 =17
>5C , 41> @1>:1>7 & & =1C9 G1>7 C5A:149 45>71> & &

1>C9<18 & & 45>71> & & G1>7 <5298 @1>:1>7 C1>@1
=5>771>C9 =17>5C , 41> =5>1=218 21C5A19 =1C9 ;5=21<9 G1>7 C5A:149
45>71> & &
@1 G1>7 41@1C >41 B9=@D<;1> 41A9 ;5791C1> C5AB52DC

%13!.6!!.
1719=1>1;18 @5>71AD8 =541> =17>5C C5A8141@ & & G1>7
25A1ADB <9BCA9;
1719=1>1;18 31A1 =5>5>CD;1> 1A18 71G1 =17>5C @141 & &
@1;18 31A1 C5AB52DC B5BD19 45>71> 81B9< ;5791C1> G1>7 >41 <1;D;1>
1719=1>1;18 @5>71AD8 @5A71>C91> =17>5C , 45>71> =17>5C , G1>7
<5298 25B1A C5A8141@ 71G1 =17>5C G1>7 491<1=9 & &
1719=1>1;18 @5>71AD8 @5>1=2181> :D=<18 21C5A19 C5A8141@ 71G1
=17>5C G1>7 491<1=9 & &
1719=1>1;18 @5>71AD8 @5>1=2181> @1>:1>7 & & C5A8141@
71G1 =17>5C G1>7 491<1=9 & &
!9;1 @?B9B9 & & 491CDA B545=9;91> B589>771 BD4DC 1>C1A1 1ADB
<9BCA9; 41> =541> =17>5C C941; B1=1 45>71> I 1@1;18 G1>7 C5A:149
45>71> 71G1 =17>5C G1>7 491<1=9 & &

!0/1!. %')!3!.
*5C5<18 >41 B5<5B19 =5>71=1C9 71G1 =17>5C @141 & & =5<1<D9
1<1C @5A3?211> G1>7 C5<18 >41 2D1C <1@?A;1><18 81B9< ;5791C1> >41 41<1=
25>CD; <1@?A1> ;5791C1> #1@?A1> ;5791C1> 49BDBD> B531A1 25AB1=1 41<1=
B5C91@ ;5<?=@?; 41> 49;5C9; @141 ;5AC1B -* D;DA1> 41@D> 9B9 <1@?A1>
;5791C1> C5A49A9 1C1B !D4D< #1C1A 5<1;1>7 $1B1<18 45>C969;1B9 $1B1<18
+D:D1> '5>5<9C91> <1C 41> 181> 'A?B54DA '5>5<9C91> 1B9< 41>
'5=2181B1> "5B9=@D<1> 41> *1A1> B5AC1 16C1A 'DBC1;1 !9;1 141 81< 81<
G1>7 25<D= >41 @181=9 =5>75>19 @A?B5B @5>GDBD>1> <1@?A1> ;5791C1>
>41 41@1C 25AC1>G1 ;5@141 7DAD 9B9;1 *5<1=1C 25;5A:1

"8(2:09 ,3(1(8 0902( ;5:;2 ,3(9 '