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Bahan Ajar Elektronik
Fisika Kelas XI Semester 2
DAFTAR ISI
KATA PENGANTAR ......................................................................................................... i
DAFTAR ISI ...................................................................................................................... ii
DAFTAR GAMBAR ......................................................................................................... iv
DAFTAR VIDEO .............................................................................................................. vi
PETUNJUK PENGGUNAAN APLIKASI ........................................................................ 1
PETUNJUK BELAJAR ..................................................................................................... 2
KOMPETENSI INTI .......................................................................................................... 4
KOMPETENSI DASAR DAN INDIKATOR.................................................................... 4
BAB 10 GELOMBANG BUNYI DAN GELOMBANG CAHAYA ................................ 6
1 Gelombang Bunyi ............................................................................................................ 7
a. Pengertian Gelombang Bunyi............................................................................... 7
b. Karakteristik Gelombang Bunyi ........................................................................... 8
c. Syarat-Syarat Terjadinya Bunyi ......................................................................... 10
d. Klasifikasi Bunyi Berdasarkan Frekuensi .......................................................... 11
e. Cepat Rambat Gelombang Bunyi ....................................................................... 13
2 Gelombang Bunyi Pada Dawai ...................................................................................... 16
3 Gelombang Bunyi pada Pipa Organa ............................................................................ 20
a. Pipa Organa Terbuka .......................................................................................... 20
b. Pipa Organa Tertutup ......................................................................................... 21
4 Efek Doppler .................................................................................................................. 22
5 Intensitas dan Taraf Intensitas ....................................................................................... 24
a. Intensitas Bunyi .................................................................................................. 24
b. Taraf Intensitas ................................................................................................... 25
6 Gelombang Cahaya ........................................................................................................ 26
a. Pengertaian Gelombang Cahaya......................................................................... 26
b. Sifat Gelombang Cahaya .................................................................................... 26
7 Difraksi, Interferensi, dan Polarisasi Cahaya ................................................................ 31
a. Difraksi Cahaya .................................................................................................. 31
b. Interferensi Cahaya ............................................................................................. 34
ii Fisika SMA/MA Kelas XI
