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Standard X
Physics
Power of a Lens
An object is ...
Question
An object is placed at f/2 away from first focus of aconvex lens where f is the focal length of the lens.Findthe position where the image is formed
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Q.
An object is placed at
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An object placed at a distance of 9cm from the first principal focus of a convex lens, produces a real image at a distance of 25cm from its second principal focus away from the lens. Then the focal length of the lens is:
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