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CBSE - XII Science - Physics - Ray Optics and Optical Instruments
what is the minimum value of refractive index of prism for ITR in the figure shown.

CBSE - XII Science - Physics - Ray Optics and Optical Instruments
In a plano-convex lens, if the Convex side is perfectly covered with a silver foil, how to calculate the focal length of the system.
In a plano-convex lens, if the Convex side is perfectly covered with a silver foil, how to calculate the focal length of the system.