Page 132 - MUDAH DAN AKTIF BELAJAR FISIKA SMA KELAS X

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( !
.
3?B

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d
( L
cosr
1
5A41B1A;1> (45$0$$1 ; 41> (45$0$$1 ; 49@5A?<58
! 0 B589>771 25B1A @5A75B5A1> B9>1A
3?B. B9> 6 . &

! B9> & L .
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3?B .
$5C5A1>71>
& BD4DC 41C1>7 ! C521< ;131 @<1> @1A1<5<

. BD4DC 291B 0 25B1A @5A75B5A1> B9>1A

Contoh 6.9

,525A;1B B9>1A <1B5A :1CD8 @141 @5A=D;11> ;131 @<1> @1A1<5< 41@1C =5=25>CD; BD4DC
41C1>7 B525B1A J #9;1 C521< ;131 @<1> @1A1<5< 3= 41> BD4DC 291B J C5>CD;1> 25B1A
@5A75B5A1> H1>7 491<1=9 ?<58 B9>1A <1B5A C5AB52DC
$9$%
9;5C18D9
0 J . J ! 3=

! B9> & L . B9> J L J
0
3?B . 3?B J

#149 ;5C9;1 =5<5F1C9 ;131 @<1> @1A1<5< B9>1A <1B5A =5>71<1=9 @5A75B5A1> 3= 41A9
1A18 B5=D<1

6. Pembiasan pada Prisma
)A9B=1 =5AD@1;1> 25>41 H1>7 C5A2D1C 41A9 75<1B C5=2DB 3181H1 CA1>B
@1A1> H1>7 ;54D1 B9B9>H1 4921C1B9 2941>7 @5A=D;1> H1>7 A>5=25>CD; BD4DC
C5AC5>CD B1CD B1=1 <19> ,D4DC C5AB52DC 49>1=1;1> BD4DC @5=291B
B9=2?< 941>7 @5A=D;11> @A9B=1 25A6D>7B9 B521719 2941>7 @5=291B
)5A81C9;1> :1<1>>H1 B9>1A H1>7 =5<5F1C9 B52D18 @A9B=1 @141 $0%$4
181H1 41C1>7 41A9 D41A1 =5>D:D 2941>7 @5A=D;11> @A9B=1 1;1>
49291B;1> =5>45;1C9 71A9B >?A=1< $5=D491> ;5C9;1 3181H1 =5>9>771<;1> Gambar 6.27
@A9B=1 =5>D:D D41A1 3181H1 C5AB52DC 1;1> 49291B;1> =5>:1D89 71A9B >?A=1< Prisma segitiga
,5C5<18 =5<5F1C9 @A9B=1 3181H1 =5>71<1=9 45E91B9 5B1A>H1 BD4DC 45E91B9
H1>7 491<1=9 3181H1 141<18 B521719 25A9;DC )5A81C9;1> $0%$4

)5A81C9;1>
)
N N
. 6 & 41> & 6 .

J 6 6
sinar sinar
)5A81C9;1> datang bias

J .
1

J . Gambar 6.28
2
Jalannya sinar pada prisma
Cahaya dan Optika 123