An equiconvex lens of focal length 10 cm and refractive

Last updated: 6/12/2023

An equiconvex lens of focal length 10 cm and refractive index 1 5 is cut vertically into two equal pieces They are placed as shown with a liquid of refractive index 3 between them What is the focal length of the combination A 10cm B 10 4 10 3 D None