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A beam of light is converging towards a point I on a screen. A plane parallel plate of glass (thickness in the direction of the beam = t, refractive index = µ ) is introduced in the path of the beam. The convergence point is shifted by A. t (µ - 1) away B. t (1 + 1/µ ) away C. t (1 - 1/µ ) nearer D. t (1 + 1/µ ) nearer

abhishek singh , 11 Years ago
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Vikas TU

Last Activity: 4 Years ago

it gets shifted by t(mu-1)..................................................................................

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