A ray of light passes from vacuum into a medium of refractive index , the angle of incidence is found to be twice the angle of refraction. The angle of incidence is |
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a) |
b) |
c) |
2 |
d) |
A ray of light passes from vacuum into a medium of refractive index , the angle of incidence is found to be twice the angle of refraction. The angle of incidence is |
|||||||
a) |
b) |
c) |
2 |
d) |