A) 7.5 cm
B) 15.0 cm
C) 75 cm
D) 5.0 cm
Correct Answer: B
Solution :
\[\frac{1}{f}=(\mu -1)\left( \frac{1}{{{R}_{1}}}-\frac{1}{{{R}_{2}}} \right)\] \[\Rightarrow \] \[\frac{1}{+10}=(1.5-1)\left( \frac{1}{+7.5}-\frac{1}{{{R}_{2}}} \right)\]\[\frac{1}{{{f}_{e}}}\]You need to login to perform this action.
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