A) 2
B) 45
C) 50
D) 55
Correct Answer: C
Solution :
\[M=\frac{\beta }{\alpha }\] \[M=\frac{{{f}_{o}}}{{{f}_{e}}}\] \[10=\frac{{{f}_{o}}}{5}\] \[\Rightarrow \] \[{{f}_{o}}=50\,cm\]You need to login to perform this action.
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