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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A right angles prism (45,90,45) of refractive index n has a plate of refractive index (n1<n) cemented to its diagonal face. The assemble is in air. A ray is incident on AB. a. Calculate the angle of incidence at AB for which the ray strikes the diagonal face at the critical angle.

A right angles prism (45,90,45) of refractive index n has a plate of refractive index (n1<n) cemented to its diagonal face. The assemble is in air. A ray is incident on AB. a. Calculate the angle of incidence at AB for which the ray strikes the diagonal face at the critical angle.

2 cm) with respect to the origin P. The concave mirror M1 has radius of curvature 30 cm. A plane mirror 90 A right angles prism (45 Two mirrors M1 and M2 are arranged as shown in figure. An object O is at the position (-10 cm