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JEE Main 2022 Physics question

PhysicsRay Optics and Optical InstrumentsJEE Main 2022

The difference of speed of light in the two media A and B, is m/s. If the refractive index of medium B is 1.47, then the ratio of refractive index of medium B to medium A is : (Given: speed of light in vacuum )

Answer: (3)

Solution

The speed in a medium is c/n, so c/ − c/ = . Then / − $1 = (2.6

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Question ID VK-024942