The radius of curvature of each face of ...

The radius of curvature of each face of a biconcave lens made of glass of refractive index 1.5 is 30 cm. Calculate the focal length of the lens is air.

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MODERN PUBLICATION-REFRACTION OF LIGHT-EXERCISE

A equiconvex lens of focal length 30 cm is divided into two equal halv...
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The radius of curvture of the convex face of a plano-covex lens is 12 ...
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The radius of curvature of each face of a biconcave lens made of glass...
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The radii of curvature of the two surface of a convexo concave ens ae1...
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The foal length of a glass convex lens in air is 15 cm.Calculate its f...
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A glass (mu=1.5) convex lens of focl length 40 cm is placed in water (...
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The focal length of a concavo - convex lens of radii of curvature 5 cm...
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If the refractive index from air to glass is 3//2 adn that from air to...
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A convex lens of refractive index 1.5 has a focal length of 18 cm in a...
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The radii of curvature of a convex lens are 20 cm and 30 cm nd the re...
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A convex lens of refractive index 1.5 is immersed in a liquid of refra...
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Explain what happens ,when a convex lens of refractive index 1.2 is im...
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A convex lens of refrative index 1.5 is immersed in a liquid of refrac...
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An object is placed at 0.06 m from a convex lens of focal length 0.10 ...
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An object is kept 0.2 m from a conex lens of focal length 0.15 m .Fin...
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A 5.0 cm long needle is placed vertically at a distance 20 cm in front...
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A convex lens of foal length 30 cm and a concave lens of focal length ...
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A ocnverging bem of light forms of a sharp image on a screen. lens is...
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An object is placed at a distance of 75 cm from a screen .Where should...
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The image of needle placed 45 cm from a lens is formed on a screen pl...
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