A ray of monochromatic light is incident on one refracting face of a prism of angle . It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is , the angle of incidence on the first face of the prism is |
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a) |
b) |
c) |
d) |
A ray of monochromatic light is incident on one refracting face of a prism of angle . It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is , the angle of incidence on the first face of the prism is |
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a) |
b) |
c) |
d) |