A concave mirror is placed on a horizontal table, with its axis directed vertically upwards. Let O be the pole of the mirror and C its centre of curvature. A point object is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image will be.

Options

A. Real and will remain at`C`
B. Real ,and located at a point btwen `C`an d`oo`
C. virtual ,and located at a point between `C` and`O`
D. Real and located at a point between `C` and`O`

Answer

D

Explanation

Due so refraction at water surface object will apparent beyongC.This imagewell acts as object for reflection by mirror.So image will be real,and located between C and O.