A convex lens is placed in contact with a mirror as shown. If he space between them is filled with water, its power will

Question

A convex lens is placed in contact with a mirror as shown. If he space between them is filled with water, its power will (A) decreases (B) increases (C) remain unchanged (D) increases or decreases depending of the focal length

Tardigrade Admin · Accepted Answer

The power of the given system is a combination of the positive power of the convex lens, negative power of the plane mirror. Clearly, the power of the system decreases.

Q. A convex lens is placed in contact with a mirror as shown. If he space between them is filled with water, its power will

decreases

increases

remain unchanged

increases or decreases depending of the focal length

The power of the given system is a combination of the positive power of the convex lens, negative power of the plane mirror. Clearly, the power of the system decreases.