![A lens has a power of +0.5D. It is:](https://www.gkseries.com/blog/wp-content/uploads/2022/05/A-lens-has-a-power-of-0.5D.-It-is.png)
Q. A lens has a power of +0.5D. It is:
A. A concave lens of local length 5 m
B. A convex lens of focal length 2 m
C. A convex lens of focal length 5 m
D. A concave lens of focal length 2 m
Answer: A convex lens of focal length 2 m
A. A concave lens of local length 5 m
B. A convex lens of focal length 2 m
C. A convex lens of focal length 5 m
D. A concave lens of focal length 2 m
Answer: A convex lens of focal length 2 m
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