A) 3 cm
B) 4 cm
C) 12 cm
D) 36 cm
Correct Answer: D
Solution :
For mirrors\[u=\frac{f(m-1)}{m}\] In first case,\[u=\frac{f(-4-1)}{-4}\] In the second case,\[u+3=\frac{f(-3-1)}{-3}\] On solving, we get \[f=36\,\,cm\]You need to login to perform this action.
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