Question text
24 A ray of light strikes the surface of a glass block at an angle of incidence of 45°. The refractive index of the glass is 1.8. What is the angle of refraction inside the block? A 23° B 25° C 45° D 81°
24 A ray of light strikes the surface of a glass block at an angle of incidence of 45°.
The refractive index of the glass is 1.8.
What is the angle of refraction inside the block?
A 23° B 25° C 45° D 81°
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