defence exam SSB Head Constable (Communication) 2023 Mock Test Physics Optics Refraction and Reflection
An object approaches a convergent lens from the left of the lens with a uniform speed 5 m/s and stops at the focus. The image
1
moves away from the lens with an uniform speed 5 m/s.
2
moves away from the lens with an uniform accleration.
3
moves away from the lens with a non-uniform acceleration.
4
moves towards the lens with a non-uniform acceleration.