1.

An air bubble in a glass slab μ=1.5 is 5 cm deep when viewed from one face and 2cm deep when viewed from the opposite face. The thickness of the glass slab is

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An air bubble in a glass slab μ=1.5 is 5 cm deep when viewed from one face and 2cm deep when viewed from the opposite face. The thickness of the glass slab is




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