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A convex mirror of focal length f produced an image `(1//n)^(th)` of the size of the object. The distance of the object from the mirror isA. `(n-1)f`B. `[(n-1)/(n)]f`C. `[(n+1)/(n)]f`D. `(n+1)f` |
Answer» Correct Answer - A (a) Magnification, ` m=+1/n=-u/vs` `therefore` `v=-u/n` From the mirror formula, `1/f=(1)/((-(u)/(n)))+1/u` The distance of the object of the mirror, u=-(n-1)f |
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