A ray of light travelling through air, Falls on the surface of a glass slab at an angle (i), it is found that the angle between the reflected and refracted ray is 90°. If the speed of light in glass is 2 × 108 m/s find the angle of incidence. (C = 3 × 108 m/s)
A ray of light travelling through air, Falls on the surface of a glass slab at an angle (i), it is found that the angle between the reflected and refracted ray is 90°. If the speed of light in glass is 2 × 108 m/s find the angle of incidence. (C = 3 × 108 m/s)
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Transcribed Image Text:A ray of light travelling through air,
Falls on the surface of a glass slab at an angle
(i), it is found that the angle between the
reflected and refracted ray is 90°. If the speed
of light in glass is 2 × 10³ m/s find the angle of
incidence. (C = 3 × 108 m/s)
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