1.

According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index ) on an other medium (refractive index );

A. the angle of incidence is equal to the angle of refraction
B. the angle of refraction (θ
C. ) is given by
D. Both (a) and (b)
E. neither (a) nor (b)
Answer» C. ) is given by


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