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16 September, 09:28

When a beam of light passes at an oblique angle into a material of lower optical density, the angle of incidence is

A. less than the angle of reflection.

B. less than the angle of refraction.

C. greater than the angle of reflection.

D. greater than the angle of refraction.

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  1. 16 September, 09:40
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    The correct answer is letter B. less than the angle of refraction. When a beam of light passes at an oblique angle into a material of lower optical density, the angle of incidence is less than the angle of refraction. The reason for that because the beam of light passes through an oblique angle.
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