

MCQOPTIONS
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1. |
According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); |
A. | The angle of incidence is equal to the angle of refraction |
B. | The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi |
C. | Both (A) and (B) |
D. | Neither (A) nor (B) |
Answer» C. Both (A) and (B) | |