e figue shows an equiconcave lens placed on a plane mirror

Last updated: 6/26/2023

e figue shows an equiconcave lens placed on a plane mirror The focal length of lens in air is 30 cm e refractive index of lens is 1 5 and that of liquid is 2 The combination behaves as A A concave mirror of focal length 15 cm C A concave mirror of focal length 10 cm B A convex mirror of focal length 15 cm D A convex mirror of focal length 20 cm 1000001