A) 20 cm
B) 10 cm
C) 40 cm
D) None of these
Correct Answer: B
Solution :
\[f\]is \[+\,ve\]for convex mirror. Therefore, for convex mirror \[\frac{1}{v}-\frac{1}{20}=+\frac{1}{20}\] \[\frac{1}{v}=\frac{1}{10}\] or \[v=10\,cm\]You need to login to perform this action.
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