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The focal length of a convex lens of gla...

The focal length of a convex lens of glass of refractive index 1.5 is 2 cm. The focal length of the lens when immersed in a liquid of refractive index 1.25 will be:

A

2.5 cm

B

5 cm

C

1 cm

D

4 cm

Text Solution

Verified by Experts

The correct Answer is:
B
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