Question

. The radius of curvature is +24 cm of a mirror ,the given mirror is
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Answer 1

Answer:

concave mirror

$\frac{1}{v} + \frac{1}{u} = \frac{1}{f} \\ \frac{1}{1.5 \: u} + \frac{1}{u} = - \frac{ 1}{12} \\ \frac{2.5 }{1.5 \: u} = - \frac{1}{12} \\ or \: u = - 20$

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