When a proton is released from rest in a room, it starls with an initial acceleration a0 towards west.

Question

When a proton is released from rest in a room, it starts with an initial acceleration a₀ towards west. When it is projected towards north with a speed v₀ it moves with an initial acceleration 3a₀ towaid west. The electric and magnetic fields in the room are

Answer 1

Correct option  (d)