defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Optics Refraction and Reflection
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
1
continuously increases
2
continuously decreases
3
first increases and then decreases
4
first decreases and then increases