Page 215 - MUDAH DAN AKTIF BELAJAR FISIKA SMA KELAS X

C9>779 1C1D@D> B1C5<9C B1C5<9C 49 <D1A 1>7;1B1 41@1C =5=2D1C @?CA5C @?CA5C
@5A=D;11> 2D=9 45>71> =5=@5A7D>1;1> 75<?=21>7 9>6A1=5A18

5. Sinar Tampak
)9>1A G1>7 41@1C =5=21>CD @5>7<981C1> >41 171A 25>41 25>41
C1=@1; ?<58 =1C1 49B52DC B9>1A C1=@1; 1C1D 3181G1 C1=@1; )9>1A C1=@1;
25A141 49 415A18 6A5;D5>B9 G1>7 3D;D@ B5=@9C 45>71> @1>:1>7 75<?=21>7
1>C1A1 IK I 45>71> B@5;CAD= F1A>1 =5A18 :9>771 ;D>9>7
89:1D 29AD >9<1 41> D>7D
Gambar 9.8
Ungu Biru Hijau Kuning Oranye Merah
Spektrum sinar tampak di antara
UV IR
sinar ultraviolet 400 nm 500 nm 600 nm 700 nm
6. Sinar Ultraviolet
)9>1A D<CA1E9?<5C 4981B9<;1> ?<58 1C?= 1C?= 41<1= >G1<1 <9BCA9;
!521>G1;1> 1C?= =5=1>31A;1> B9>1A 45>71> 6A5;D5>B9 G1>7 ;81B 49 415A18
B9>1A C1=@1; 41> B9>1A D<CA1E9?<5C )9>1A D<CA1E9?<5C =5=9<9;9 6A5;D5>B9 1>C1A1
K H 1< 9>9 =5=D>7;9>;1> @5>75>1<1> D>BDA D>BDA 41<1= BD1CD

2181> 45>71> C5;>9; ! " ! )9>1A D<CA1E9?<5C G1>7 4981B9<;1> ?<58
=1C181A9 :9;1 =5>75>19 CD2D8 B531A1 <1>7BD>7 41@1C =5>9=2D<;1> @5>G1;9C
;D<9C 5AD>CD>7 49 1C=?B65A D=9 C5A41@1C <1@9B1> ?H?> G1>7 41@1C
=5>G5A1@ B9>1A D<CA1E9?<5C %<58 ;1A5>1 9CD B1>71C @5>C9>7 D>CD; =5>:171
171A <1@9B1> ?H?> C941; 89<1>7

7. Sinar-X
)9>1AK. 9>9 49C5=D;1> ?<58 !),(&,- /.1"% 9.3'&. B589>771 B9>1A .
B5A9>7 49B52DC 45>71> B9>1A (?>C75> )9>1A . 4981B9<;1> 45>71>
Kata Kunci =5>5=21;;1> 5<5;CA?> 41<1= C12D>7 AD1>7 81=@1 @141 @5A=D;11>
;5@9>7 <?71= &1>:1>7 75<?=21>7 B9>1A . B1>71C @5>45; B589>771 =5=9<9;9
• gelombang radio

• Amplitudo Modulasi (AM) 41G1 C5=2DB G1>7 ;D1C A5;D5>B9>G1 1>C1A1 K 85ACH )9>1A . 9>9
• Frekuensi Modulasi (FM) 21>G1; 497D>1;1> 41<1= 2941>7 ;54?;C5A1> =1D@D> 41<1= 2941>7
• radio detection and ranging
(radar) 9>4DBCA9
• Medium Frequency (MF)
• Ionosfer 8. Sinar Gamma

• stasiun pemancar )9>1A 71==1 =5=9<9;9 6A5;D5>B9 1>C1A1 K 85ACH )9>1A 71==1 =5AD@1
• sinar inframerah ;1> 75<?=21>7 5<5;CA?=17>5C9; G1>7 =5=9<9;9 6A5;D5>B9 C5A25B1A )9>1A
• sinar tampak
• sinar ultraviolet 71==1 4981B9<;1> ?<58 9>C9 9>C9 1C?= G1>7 C941; BC129< )9>1A 71==1 =5=9<9;9
• sinar-X 41G1 C5=2DB G1>7 B1>71C 25B1A B589>771 41@1C =5>5=2DB @5<1C 25B9 45>71>
• sinar gamma
;5C521<1> 2525A1@1 3=
Tes Kompetensi Subbab B
&1*"+".,"( %","- #4+4 ,"3)(".
1<1= ;51411> 1@1;18 BD1CD =D1C1> <9BCA9; 1;1> )52D18 @D<B1 75<?=21>7 A141A 49@1>CD<;1> ?<58 B52D18
=5A1491B9;1> 75<?=21>7 5<5;CA?=17>5C9; @5B1F1C C5A21>7 G1>7 B541>7 =5<9>C1B @141 :1A1;
*5>CD;1> A5>C1>7 @1>:1>7 75<?=21>7 D>CD; 3181G1 C5AC5>CD 41> 49C5A9=1 ;5=21<9 ?<58 @5B1F1C C5A21>7
C1=@1; G1>7 =5=9<9;9 6A5;D5>B9 1>C1A1 L H 41<1= F1;CD B 5A1@1 :1A1; @5B1F1C ;5 A141A

3181G1 =5A18 41> L H 3181G1 D>7D +>CD; =5>7D;DA ;541<1=1> <1DC 497D>1;1>
$G1C1;1> :1F121> >41 41<1= >1>?=5C5A 75<?=21>7 5<5;CA?=17>5C9; 41> 49@1>CD<;1> ;5=21<9
)52D18 A141A 1>C9 @5B1F1C D41A1 =5>45C5;B9 B52D18
@5B1F1C C5A21>7 1< 9>9 49;5C18D9 B5C5<18 75<?=21>7 41<1= F1;CD s 9;1 9>45;B 291B 19A <1DC 25A1@1
K
A141A 49@1>31A;1> 41<1= B5<1>7 F1;CD L B ;541<1=1> <1DC
5A1@1 :1D8 @5B1F1C 9CD 41A9 A141A

206 Mudah dan Aktif Belajar Fisika untuk Kelas X