A ray of light travelling in air falls on a surface of a rectangular glass slab having refractive index 1.2, if the angle of incidence is 37 degrees, find the angle of refraction? (given sin 37 degree=3/5)
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Answer:
30°
Explanation:
sin i / sin r = μ
sin37 / sin r = 1.2 = 6/5
3/5 sin r = 6/5
sin r = 1/2
r = 30°
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