A plane glass plate is placed over various coloured letters (violet, green, yellow, red). The letter which appears to raise more is

Question

A plane glass plate is placed over various coloured letters (violet, green, yellow, red). The letter which appears to raise more is, Red, Yellow, Green, Violet

MARKS App · Accepted Answer

∵ μ = R e a l d e p t h a p p a r e n t d e p t h Where, μ refractive index of medium ⇒ A p p a r e n t d e p t h = R e a l d e p t h μ But, μ ∝ 1 λ ∵ λ v λ g λ y λ r Thus, μ v is greater to all of them ∴ Apparent depth is minimum for violet. It means that the violet letter appear raised more.

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