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DAFTAR ISI
KATA PENGANTAR ....................................................................................................... i
DAFTAR ISI...................................................................................................................... ii
PETUNJUK BELAJAR .................................................................................................. vii
TINJAUAN KOMPETENSI ........................................................................................... viii
PETA KONSEP ............................................................................................................... xi
ETNOSAINS DALAM PROSES PEMBELAJARAN ................................................. 1
KEGIATAN BELAJAR I
A. URAIAN MATERI ..................................................................................................... 3
1.Sifat Cahaya ........................................................................................................ 3
a. Cahaya Merambat Lurus ........................................................................ 3
b. Cahaya Dapat Dipantulkan ..................................................................... 7
c. Cahaya Dapat Dibiaskan ........................................................................ 10
d. Cahaya Merupakan Gelombang Elektromagnetik ................................. 14
B. LEMBAR KERJA SISWA .......................................................................................... 16
KEGIATAN BELAJAR II
A. URAIAN MATERI ..................................................................................................... 17
1. Pembentukan Bayangan pada Cermin ............................................................... 17
a. Pembentukan Bayangan pada Cermin Datar .......................................... 17
b. Pembentukan Bayangan pada Cermin Lengkung .................................. 18
2. Lensa .................................................................................................................. 25
a. Pembentukan Bayangan pada Lensa ...................................................... 25
b. Sinar Istimewa pada Lensa Cembung .................................................... 26
c. Melukis Pembentukan Bayangan pada Lensa Cembung ........................ 27
d. Sinar Istimewa pada Lensa Cekung ....................................................... 27
e. Persamaan Lensa .................................................................................... 29
B. LEMBAR KERJA SISWA ......................................................................................... 30
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