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CBSE - X - Physics

An object is moved towards a convex lens to a certain distance so that the magnification of the image changes from -2 to +2. If the focal length of the lens is 30 cm, then find the distance through which the object is moved towards the lens.

Asked by सुधाकर 3rd March 2017, 5:56 PM
Answered by Expert


Hi Rimjhim,

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Answered by Expert 3rd March 2017, 6:29 PM

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