A ray in air is incident on a glass surface ( ) at an angle of to the normal

PHYSICS · Single correct · GCSE · Physics · Waves · Waves

Problem

A ray in air is incident on a glass surface (n=1.5n=1.5) at an angle of 45∘45^{\circ} to the normal. Calculate the angle of refraction in glass. (a) 35∘35^{\circ} (b) 30∘30^{\circ} (c) 28∘28^{\circ} (d) 18∘18^{\circ}

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