in an experiment of determining the focal length of concave mirror ,light beam is incident on concave mirror. Image so formed is 13 m away from this concave mirror .Find it's focal length.
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Calculate the focal length of the given concave mirror by using the relation, f = uv/(u+v). Repeat the experiment for different values of u (up to 2.5f) and in each time, measure v and record it in the tabular column. Calculate the focal length (f) of the concave mirror each time.
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