Observation of practical.To find the focal length of convex mirror using a convex lens
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focal length is half the distance of centre of curvature!
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To determine focal length of a convex lens
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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