A) ? 3/4 D
B) 3 D
C) ? 1/4 D
D) ? 4 D
Correct Answer: C
Solution :
For lens u = wants to see = ? 12 cm v = can see = ? 3 m \[\therefore P=\frac{1}{f}=\frac{1}{v}-\frac{1}{u}\]\[\Rightarrow P=\frac{1}{-3}-\frac{1}{(-12)}=-\frac{1}{4}D\]You need to login to perform this action.
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