A ray of light travelling in air strikes a glass slab at angle of 30digree .calculate the angle of refraction if refractive index of glass is 1.5
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Answer:
refractive index is Sin(i)/Sin(r)
so, 1.5=Sin(30)/Sin(r)
this implies sin(r)=0.5/1.5
r=sin^-1(1/3)
r=19.47
Explanation:
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