Question

If a concave mirror of focal length 15 cm is immersed in water of refractive index , then calculate new focal length of mirror

Answer 1

Answer -

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• When a prism (μ =3/2) is immersed in water (μ = 4/3) then deviation through the Radius of the curvature of the mirror is 20 cm. B, it acts like an optical system of focal length 10

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Answer 2

Answer:

here's the answer ll

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