Questions
A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length will
a
become zero
b
become infinite
c
reduce
d
increase
detailed solution
Correct option is B
μ=μm f→infinite1f=(μμm-1)(1R1-1R2)Talk to our academic expert!
Similar Questions
The distance of a real object from the focus of a convex mirror of radius of curvature ‘a’ is ‘b’. Then the distance of the image from the focus is
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