A) 10 cm
B) 12.5 cm
C) 16.6 cm
D) 8.33 cm
Correct Answer: A
Solution :
Power of the combination \[P={{P}_{1}}+{{P}_{2}}\] \[=12-2=10\,D\] \ Focal length of the combination \[F=\frac{100}{P}=\frac{100}{10}=10\,cm\]You need to login to perform this action.
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