What is a focal length of the convex lens
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Explanation:
focal is define as the half of the distance of radius of curvature
the focal length of the convex lens is always positive
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Answer:
To determine focal length of a convex lens
Place the holder with the screen on the bench. The position of the screen should be such that the sharp image of the distant object is obtained on it. The difference between the position of the lens and the screen is equal to the focal length of the given convex lens.
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