A) 75 cm
B) 72 cm
C) 63 cm
D) 50 cm
Correct Answer: A
Solution :
For real image m = ? 2, so by using \[m=\frac{f}{f-u}\] \[\Rightarrow -\ 2=\frac{-\,50}{-50-u}\Rightarrow u=-\ 75\ cm\]You need to login to perform this action.
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