A light ray falls on a glass surface of refractive index √3, at an angle of 60°. The angle between the refracted and reflected rays would be:
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A light ray falls on a glass surface of refractive index √3, at an angle of 60°. The angle between the refracted and reflected rays would be:

G1 Physics · Accepted Answer

Step 1: Snell’s law: sin i = μ sin r, with i = 60° and μ = √3. Step 2: sin r = (√3/2)/√3 = 1/2, hence r = 30°. Step 3: Angle between reflected and refracted rays = 180° − (i + r) = 180° − 90° = 90°. Final answer: (C) 90°.