Question

A particle is moving in a circle in front of a plane mirror in situation as shown in figure. It is given that plane of motion of particle is perpendicular to the plane of mirror. Then the motion of image w.r.t particle is

• A. in a circular path
• B. Oscillating
• C. in an elliptical path
• D. no motion, image seems to be stationary

Answer 1

The correct option is B Oscillating

A particle is moving on a circle infront of a plane mirror with speed $v$

where ${\overrightarrow{v}}_0$ is velocity of object ( particle)

${\overrightarrow{v}}_1$ is velocity image ( particle image)

From figure it as clear that the relative velocity between object and its image is $v\cos \theta +v\cos \theta =2v\cos \theta$

The motion of image w.e.t particle ossilating