Page 100 - PRAKTIS BELAJAR FISIKA SMA KELAS XII

3=
3= '

, ,

3=

5B1A =1B9>7 =1B9>7 =541> =17>5C 141<18

.2 =
+

=
41>

.2 =

+
=
&<58 ;1A5>1 41> B1<9>7 C571; <DADB A5BD<C1> =541> =17>5C 49 C9C9; ' 141<18

+ + +

*)&2 &+2*7 30*, 586 -675-/ 4&)& &:&7 *0-2+/&5
+9>:1D<18 ;1F1C =5<9>7;1A 45>71> :1A9 :1A9 41> 491<9A9 1ADB <9BCA9; &7& 82(-
B5@5AC9 49@5A<981C;1> @141 !-"!1 1<1= 81< 9>9 >41 81>G1 1;1> @ 8;9 309:802
=5>9>:1D =541> =17>5C G1>7 4981B9<;1> 1ADB C5@1C 49 B5@1>:1>7 BD=2D @ @ ,+(5 4(.5,:
,+(5 4(.5,: 05+;290
<9>7;1A1> ;1F1C +9C9; & 141<18 C9C9; @DB1C <9>7;1A1> 41> C9C9; ' 25A141 @ (.5,: 9,4,5:(8(
@141 BD=2D <9>7;1A1> G1>7 25A:1A1; 41A9 C9C9; & A18 =541> =17>5C 49 @ (.5,: :,:(7
C9C9; & B1=1 45>71> 49 C9C9; ' A18>G1 41@1C 49C5>CD;1> 45>71> =5>77D>1;1>
;19418 C1>71> ;1>1> G19CD 92D :1A9 =5F1;9<9 1A18 =541> =17>5C 41> 1A18
=5<9>7;1A :5=1A9 <19>>G1 141<18 1A18 1ADB 1B9<>G1 B5@5AC9 49@5A<981C;1>
@141 !-"!1
a 2 b 2
&1'&5
BD=2D <9>7;1A1> ' ,+(5 4(.5,: +0 9;4); 2(=(:
' 4,305.2(8 ),8(8;9 309:802

5B1A =541> =17>5C 49 C9C9; & @DB1C <9>7;1A1> 141<18

L
*5=5>C1A1 9CD =541> =17>5C 49 C9C9; ' =5=5>D89

B B sin 3 L
P O
45>71> BD4DC G1>7 4925>CD; ?<58 BD=2D <9>7;1A1> 41> 71A9B 8D2D>7
C9C9; ' ;5 ;1F1C 1A9 !-"!1 49@5A?<58
a
sin 2 2 L
a b
%12!-!!. 7 41> 7 25A<1;D D>CD; ;1F1C 25A1ADB <9BCA9; G1>7
C5@1C B1CD <9<9C1> B1CD <9>7;1A1> !9;1 C5A41@1C <9<9C1> C9@9B ;D1C =541>
=17>5C @141 @5AB1=11> C5AB52DC 25B1A>G1 49;1<9;1>

5+;290 (.5,: