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A sharp image of distant object is obtained on a screen using a convex lens. In order to determine the focal

length of the lens, you need to measure the distance between the

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A) lens and the object

B) lens and screen

C) object and the screen

D) lens and the screen, also object and the screen


Dear Student,

A sharp image of distant object is obtained on a screen using a convex lens. In order to determine the focal length of the lens, you need to measure the distance between the lens and screen.

So correct option is (b).

Regards

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