A beam of light is converging towards a point. A plane parallel plate of glass of thickness t, r...
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A beam of light is converging towards a point. A plane parallel plate of glass of thickness t, refractive index \( \mu \) is introduced in the path of the beam. The convergent point is shifted by (assume near normal incidence):
img src=https://penpencil-static-content.s3.ap-south-1.amazonaws.com/5eb393ee95fab7468a79d189/mzipj05lpi319xz2dc42ijrta.png /
(1) \( \mathrm{t}\left(1-\frac{1}{\mu}\right) \) away
(2) \( t\left(1+\frac{1}{\mu}\right) \) away
(3) \( \mathrm{t}\left(1-\frac{1}{\mu}\right) \) nearer
(4) \( \mathrm{t}\left(1+\frac{1}{\mu}\right) \) nearer
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