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| 1. |
when a Ray of light is incident at an angle 60 degree to a medium of refractive index n,it is observed that the angle of refraction is half the angle of incidence the value of n is |
| Answer» when a Ray of light is incident at an angle 60 degree to a medium of refractive index n,it is observed that the angle of refraction is half the angle of incidence the value of n is | |