The focal length of a mirror is given by \frac{2}{f}=\frac{1}{v}-\frac{1}{u} . In finding the values of u and v, the errors are equal to ' p '. Then, the relative error in f is

\frac{p}{2}(\frac{1}{u}+\frac{1}{v})

\frac{p}{2}(\frac{1}{u}-\frac{1}{v})

AP EAMCET Engineering 2013 Solved Paper

Section: Mathematics

Question : 151 of 160

Marks: +1, -0

The focal length of a mirror is given by

−

. In finding the values of u and v, the errors are equal to ' p '. Then, the relative error in f is

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