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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A right prism is to be made by selecting a proper material and the angles A and B (B<_A) as shown in figure. It is desired that a ray of light incident normally on AB emerges parallel to the incident direction after two internal reflection.a. What should be the minimum refractive index

A right prism is to be made by selecting a proper material and the angles A and B (B<_A) as shown in figure. It is desired that a ray of light incident normally on AB emerges parallel to the incident direction after two internal reflection.a. What should be the minimum refractive index

An object is placed at a distance of 20cm from a equi-concave lens of focal length 30cm find the position and nature of the image. whose one surface is silvered. If the radius of curvature of the silvered surface is 60cm