A block having mass `\'m\'` ad carge `q` is resting on a fractionless plane at distance
Channel: Doubtnut
Date: 2020-02-09

A block having mass `\'m\'` ad carge `q` is resting on a fractionless plane at distance `L` from the wall as shown in fig.Discuss the motion of the block when a uniform electric field `E` is applied horizontally towards the wall assuming that collision of the block with the wall is perfectly elastic.