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The image of an object placed in front of a concave mirror of focal length 15 cm is of the same size as the object. The distance between the object and its image is :(a) 15 cm(b) 30 cm(c) 60 cm(d) Zero |
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Answer» Correct answer is (d) Zero At c, object produces same sized image. ∵ f = 15 cm, ∴ R = 30 cm object and image both are at c. therefore, distance between them is zero. |
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