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A postage stamp kept below a rectangular glass slab of refractive index 1.5 when viewed from vertically above it appears to be raised by 7.0mm calculate the thickness of the glass slab |
| Answer» A postage stamp kept below a rectangular glass slab of refractive index 1.5 when viewed from vertically above it appears to be raised by 7.0mm calculate the thickness of the glass slab | |