The focal length of a mirror is given by \frac{1}{v}- \frac{1}{u}= \frac{2}{f}. If equal errors '\alpha 'are made in measuring u and v . Then relative error in '{\f}' is

AP and TS EAMCET Engineering Model Paper 2

Question : 22 of 160

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The focal length of a mirror is given by

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. If equal errors 'α 'are made in measuring u and v. Then relative error in 'f' is

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