A plano-convex lens having radius of curvature of first surface 2 cm exhibits focal length of
in air. Another plano-convex lens with first surface radius of curvature 3 cm has focal length of 
when it is immersed in a liquid of refractive index 1.2. If both the lenses are made of same glass of refractive index 1.5, the ratio of 
and 
will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
For case
…
For case
So clearly, 
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