Question:
Two identical equi concave lenses made of glass of
Last updated: 6/10/2023
![Two identical equi concave lenses made of glass of](https://media.kunduz.com/media/sug-question-candidate/20210530085156835397-3464184.jpg?h=512)
Two identical equi concave lenses made of glass of refractive index 1 5 placed in contact has power P When a liquid of refractive index is filled in the gap between the concave lenses the power becomes one third of initial value The value of is 11 5 5 3 1 2