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If f is focal length and u is object distance for spherical mirror, then lateral magnification m = ...... |
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Answer» `(f)/(u-f)`<BR>`(f)/(u+f)` `1/f=1/u+1/v implies 1/f-1/u=1/v`< br>`therefore (u-f)/(fu)=1/v` `therefore(u-f)/(f)=u/v` `-v/u=-((f)/(u-f))therefore m=(f)/(f-u)` |
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