Question:
An object moves towards a concave lens with speed 5 mm s of
Last updated: 6/10/2023
An object moves towards a concave lens with speed 5 mm s of focal length 20 cm Then what is image speed when object is at 30 cm from lens A 0 4 mm s B 0 2 mm s C 0 16 mm s D 0 8 mm s