A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves away from the lens on the other side of the principal axis, the intensity of light

Question

A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves away from the lens on the other side of the principal axis, the intensity of light (A) continuously increases (B) continuously decreases (C) first increases and then decreases (D) first decreases and then increases

Tardigrade Admin · Accepted Answer

Beam first converges and then diverges ie intensity of light first increases and then decreases.

Q. A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves away from the lens on the other side of the principal axis, the intensity of light

continuously increases

continuously decreases

first increases and then decreases

first decreases and then increases

Beam first converges and then diverges ie intensity of light first increases and then decreases.