A proton is fired from origin with velocity $\to v = v_{0} \to j + v_{0} \to k$ in a uniform magnetic field $\to B = B_{0} \to j$ . In the subsequent motion of the proton:
its z co-ordinate can never be negative
its x co-ordinate can never be positive
its x and z co-ordinates cannot be zero at the same time
its y co-ordinate will be proportional to its time of flight

Question

A proton is fired from origin with velocity $\to v = v_{0} \to j + v_{0} \to k$ in a uniform magnetic field $\to B = B_{0} \to j$ . In the subsequent motion of the proton:
its z co-ordinate can never be negative
its x co-ordinate can never be positive
its x and z co-ordinates cannot be zero at the same time
its y co-ordinate will be proportional to its time of flight

Toppr Admin · Accepted Answer