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A travelling microscope is focussed on a mark on a piece of paper and the scale reading is A. A rectangular block of glass is placed on the paper and the microscope is raised and focussed the mark on the paper. The microscope reading now is B, the paper is now placed on the block of glass. The reading now is C. The refractive index of the material of the block is how much?

A travelling microscope is focussed on a mark on a piece of paper and the scale reading is A. A rectangular block of glass is placed on the paper and the microscope is raised and focussed the mark on the paper. The microscope reading now is B, the paper is now placed on the block of glass. The reading now is C. The refractive index of the material of the block is how much? 

Grade:12

1 Answers

Saurabh Kumar
askIITians Faculty 2405 Points
7 years ago
245-2286_xxxxxxxxxxxxxx.PNG

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