A piece of written material appears raised by 7 mm when placed under a – InterviewSolution

1.	A piece of written material appears raised by 7 mm when placed under a rectangular glass block of refractive index 1. 5. Find the thickness of the glass block.
Answer» A piece of written material appears raised by 7 mm when placed under a rectangular glass block of refractive index 1. 5. Find the thickness of the glass block.

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