A light ray passing from air into water at an angle of 30º from the...

Physics

JAMB 2024

A light ray passing from air into water at an angle of 30º from the normal in air would

A. make an angle greater than 30\(^0\) in water surface
B. be completely absorbed by the water surface
C. be completely reflected by the water surface
D. make an angle less than 30\(^0\) from the normal in water

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Correct Answer: Option D

Explanation

Observations show that when the light travels from a medium A(air) to a more dense medium B(water), the refracted ray bends towards the normal and the angle of refraction (r) is, therefore, less than the angle of incidence. vice versa.

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A light ray passing from air into water at an angle of 30º from the...

Correct Answer: Option D

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