The speed of light in air and glass is 3 x 108 m/s and 2 x 108 m/s respectively. A beam of light falls on a glass at an angle of 30o with the surface. The angle of refraction in glass is
1) 25o.16’ 2) 35o 16’
3) 15o 26’ 4) 30o 16’
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Answer:
4....................
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Answered by
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The answer is 4) 30o 16’
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