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A spherical mirror produces an image of magnification -1 on a screen placed at a distance of 50cm from the mirror. find the distance of the image from tthe object

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\begin{array}{l} U=-50 \mathrm{cm} \\ m=-1 \\ m=-\frac{v}{u} \\ \Rightarrow-1=-\frac{v}{-50} \\ \Rightarrow v=-50 \mathrm{cm} \end{array}

So the image is formed exactly in the same position as an object. so the distance between them is 0.

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avinash.dongre

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