JEE Main 2022 Physics question
Time taken by light to travel in two different materials A and B of refractive indices and of same thickness is and respectively. If s and the ratio of to is 1 : 2. Then, the thickness of material, in meter is: (Given and are velocities of light in A and B materials respectively.)
Answer: (1)
Solution
= d/ − d/ = . Since / = , we get d(1/ − 1/ =
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