A sharp image of a distant object is obtained on a screen using a convex lens. To determine the focal length of the lens experimentally, which distance needs to be measured?

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Physics · Ray Optics

A sharp image of a distant object is obtained on a screen using a convex lens. To determine the focal length of the lens experimentally, which distance needs to be measured?

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Distance between the lens and the screen

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Answer 1

Distance between both the object-to-lens and lens-to-screen intervals

Answer 2

Distance between the object and the screen

Answer 3

Distance between the lens and the screen

Answer 4

Distance between the lens and the object

A sharp image of a distant object is obtained on a screen using a convex lens. To determine the focal length of the lens experimentally, which distance needs to be measured?

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A sharp image of a distant object is obtained on a screen using a convex lens. To determine the focal length of the lens experimentally, which distance needs to be measured?

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