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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A prism of refractive index root 2 has a refracting angle of 30. One of the refracting surfaces of the prism is polished. For the beam of monochromatic light to retrace its path, find the

A prism of refractive index root 2 has a refracting angle of 30. One of the refracting surfaces of the prism is polished. For the beam of monochromatic light to retrace its path, find the

A prism of refractive index root 2 has a refracting angle of 30. One of the refracting surfaces of the prism is polished. For the beam of monochromatic light to retrace its path find the: