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If the focal length is 5cm and image distance is 2.5cm in a convex mirror find its object distance |
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Answer» Object DISTANCE is 5cm.Explanation:F = 5 v = 2.5 1/f = 1/v + 1/u 1/u = 1/v - 1/f 1/u = 1/2.5 - 1/5 1/u = 10/25 - 1/5 1/u = 10-5/251/u = 5/251/u = 1/5 u = -5 CM |
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