A ray of monochromatic light is incident on one refracting face of a prism of angle 75^@. It passesthrough the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is sqrt2 , the angle of incidence on the first face of the prism is,

A ray of monochromatic light is incident on one refracting face of a p

1.	A ray of monochromatic light is incident on one refracting face of a prism of angle 75^@. It passesthrough the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is sqrt2 , the angle of incidence on the first face of the prism is,
Answer» `30^@` `45^@` `60^@` `0^@` Answer :B

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A ray of monochromatic light is incident on one refracting face of a prism of angle 75^@. It passesthrough the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is sqrt2 , the angle of incidence on the first face of the prism is,

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