a beam of light is converging to watch. I on screen plain glass plate thickness in the direction of beam is equals to T refractive index is me who is introduced in the path of the beam the convergence point is shifted by
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A beam of light is converging towards a point I on a screen. A plane parallel plate of glass whose thickness is in the direction of beam = t, refractive index = n is introduced in the path of the beam. The convergence point is shifted by ……
(A) t[1 + (1/n)] never
(B) t[1 – (1/n)] nearer
(C) t[1 + (1/n)] away
(D) t[1 – (1/n)] away
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