February 2019 1 12 Report
Dalam hukum pemantauan berlaku yaitu
a) Sinar datang, sinar pantul dan garis normal selalu saling tegak lurus
b) Sinar datang, sinar pantul dan garis normal selalu sebidang
c) Sinar datang, dan sinar pantul selalu tegak lurus
d) Sinar datang, sinar pantul dan garis normal saling bertolak belakang

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