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Lens Formula

The plane sur...

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The plane surface of a plano-convex lens of focal length f is silvered. It will behave as: plane mirror convex lens of focal length 2f concave lens of focal length f/2

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Q. The plane surface of a plano-convex lens of focal length f is silvered. It will behave as:

Q. A plano-convex lens of focal length 20 cm silvered at the plane surface will behave as a convergent mirror of focal length

Q. When the plane surface of a plano-convex lens of refractive index

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is silvered, it behaves like a concave mirror with

f = 30 c m

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Q. A plano-convex lens when silvered on the plane side behaves like a concave mirror of focal length

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