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 on its principal axis, the intensity of light.
A. remains constant
B. continuously increases
C. continuously decreases
D. first increases and then decreases
Answer:A
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 on its principal axis, the intensity of light.
A. remains constant B. continuously increases C. continuously decreases D. first increases and then decreases