Multiple Choice Question XIII — task. Science CBSE, Class 10.

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The focal length of a concave mirror is \(f\) and the distance from the object to the principal focus is \(a\). The magnitude of magnification obtained will be-

\(\frac{(f+a)}{f}\)
\(\frac{f}{a}\)
\(\frac{f^2}{a^2}\)
\(\frac{\sqrt{f}}{\sqrt{a}}\)

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13. Multiple Choice Question XIII

Exercise condition: