Question

An object is running towards a stationary plane mirror with speed of 2 m/s, the image formed by mirror will appear moving with a speed of
A. 1 m/s
B. 0 m/s
C. 2 m/s
D. 4 m/s

Answer 1

object move towards image with 2 m/s and also image move towards object with 2 m/s hence image will appear moving with a speed of 2+2=4 m/s.