If one face of a prism of angle 30∘ and refractive index μ=√2 is silvered, the incident ray retraces its initial path. The angle of incidence is

If one face of a prism of angle 30∘ and refractive index μ=√2 is

1.	If one face of a prism of angle 30∘ and refractive index μ=√2 is silvered, the incident ray retraces its initial path. The angle of incidence is
Answer» If one face of a prism of angle $30^{\circ}$ and refractive index $μ = \sqrt{2}$ is silvered, the incident ray retraces its initial path. The angle of incidence is

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If one face of a prism of angle 30∘ and refractive index μ=√2 is silvered, the incident ray retraces its initial path. The angle of incidence is

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