a ray of light is incident on a glass slab at an anhle of incidence of 60 degree . if the angle of refraction be 32.7 calculate the refractive index of glass
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A ray of light is incident on a glass slab at angle of incidence of `60^(@)`. If the angle of refraction be `32.7^(@)`, calculate the refractive index of glass. (Given: sin`60^(@)=0.866` and `sin32.
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