A concave mirror of small aperture and focal length of 8 cm

Last updated: 6/10/2023

A concave mirror of small aperture and focal length of 8 cm lies on table and an object is kept vertical above it If concave mirror is filled with water negligible height of refractive index image and object LL coincides The distance of object from mirror is O 12 cm 14 cm 16 cm 18 cm