2. To find the focal length of a convex mirror, using a convex lens.
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it is an example of a practical you can watch it on YouTube
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To determine focal length of a convex mirror
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 nirror
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