A) A convex lens of focal length 50 cm.
B) A concave lens of focal length 50cm.
C) A convex lens of focal length 5 cm.
D) A concave lens of focal length 5 cm.
Correct Answer: C
Solution :
[c] A convex lens is used as a magnifying glass. The magnification of a lens, \[M\propto \frac{1}{f}.\] So, a convex lens of small focal length acts as a magnifying glass.You need to login to perform this action.
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