Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 32 - Ray Optics > These is a prism with refractive index equal to root 2 and the refracting angle equal to 30∘ Once of therefracting surface of the prism is polished. A beam of monochromatic will retrace its path if its angle of incfidence over the refracting

These is a prism with refractive index equal to root 2 and the refracting angle equal to 30∘ Once of therefracting surface of the prism is polished. A beam of monochromatic will retrace its path if its angle of incfidence over the refracting

Focal length of a convex lens will be maximum for