A thin convex lens of focal length 
made of crown glass is immersed in a liquid of refractive index 
, where 
is the refractive index of the crown glass. The convex lens now is
A
a convex lens of longer focal length
B
a convex lens of shorter focal length
C
. a divergent lens
D
a convex lens of focal length 
Text Solution
Verified by ExpertsThe correct answer is:
C
From the lens maker's formula,
As lens is thin.
As 
so, 
.
So, it behaves as divergent lens.
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