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Question

FOCUS :focus also called an image point, is the point where light rays originating from a point on the object converge..

BUT, when the object is  kept beyond the centre of curvature then rays converge between centre of curvature and the point focus. So now that point CAN BE called as the FOCUS. 


Solution

No, the focus doesnot change with object position. Its property of the mirror. It calculated by practical experiments

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