Question
Physics Question on Optics
Under what condition, does a biconvex lens of glass having a certain refractive index act as a plane glass sheet when immersed in a liquid?
A
When refractive index of lens is equal to the refractive index of liquid.
B
When refractive index of lens is larger than the refractive index of liquid.
C
When refractive index of lens is lesser than the refractive index of liquid.
D
When refractive index of lens is not completely immersed in the liquid
Answer
When refractive index of lens is equal to the refractive index of liquid.
Explanation
Solution
The correct option is (A): When refractive index of lens is equal to the refractive index of liquid.