A) 100 cm
B) 10 cm
C) 20 cm
D) 25 cm
Correct Answer: A
Solution :
\[|m|\ =\frac{{{f}_{o}}}{{{f}_{e}}}=20\] and \[L={{f}_{o}}+{{f}_{e}}=105\]\[\Rightarrow {{f}_{o}}\,=100\ cm\]You need to login to perform this action.
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