A proton and an α-particle enter with the same velocity into a uniform magnetic field such that their velocity vector is perpendicular to the magnetic field vector. The ratio of the radii of their circular paths (proton to α-particle) is:

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?