The refractive index of a converging lens is 
. What will be the focal length of this lens if it is placed in amedium of same refractive index 
(Assume the radii of curvature of the faces of lens are 
and 
respectively)
A
B
Infinite
C
D
Zero
Text Solution
Verified by ExpertsThe correct answer is:
B
b JEE Main 2021
If 
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