Question

A proton and an α particle having equal kinetic energy are projected in a uniform transverse electric field as shown in figure



(1) Proton trajectory is more curved
(2) α particle trajectory is more curved
(3) Both trajectories are equally curved but in opposite direction

Answer 1

3) both trajectories are equally curved but in opposite direction

Answer 2

Answer:

Alpha particles trajectory is more curved

Explanation:

Trajectory=qel^2/4KE

as in the given question kinetic energy of both are equal

Hence we will look at the charges (q)

As alpha particle has more charge than proton hence it's trajectory will be more curved because of maximum repulsive.

Charge on alpha particle=2+

Charge on proton=1+