Find the focal length of a convex lens w...

Find the focal length of a convex lens which produces a real image at 60 cm from the lens when an object is placed at 40 cm in front of the lens.

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24 cm

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NAVNEET PUBLICATION - MAHARASHTRA BOARD-LENSES-Numerical Problems For Practice

Find the focal length of a convex lens which produces a real image at ...
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A real image is obtained at 30 cm from a convex lens of focal length 7...
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Find the power of a convex lens of focal length 40 cm.
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If for a lens, F=-20 cm, what is the power of the lens ?
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If two convex lenses of focal lengths 10 cm and 5 cm are kept in conta...
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If a convex lens of focal length 20 cm and a concave lens of focal len...
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If a convex lens of focal length 20 cm and a concave lens of focal len...
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A concave lens of focal length 12 cm and a convex lens of focal length...
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A concave lens of focal length 12 cm and a convex lens of focal length...
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