Q 10 An air bubble in glass slab u 1 5 when viewed from one side appears to be at 6 cm and from opposite side 4 cm The thickness

Question

Q 10 An air bubble in glass slab u 1 5 when viewed from one side appears to be at 6 cm and from opposite side 4 cm The thickness of glass slab is 1 10 cm 3 15 cm 2 6 67 cm 4 None of these

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