A) 2 D
B) - 2 D
C) - 0.5 D
D) 5 D
Correct Answer: B
Solution :
The focal length of the concave lens is considered negative. \[\text{Focal length}=-\text{5}0\text{ cm}=-\frac{50}{100}\text{m}=-0.\text{5m}\] \[P=\frac{1}{-\,0.5},P=-\frac{1\times 10}{5}=-2D\]You need to login to perform this action.
You will be redirected in
3 sec