If an alpha particle, proton and deutron are projected perpendicularly a uniform magnetic field with same speed then let is the radius of `alpha`-particles, `r_(P)` is radius of proton, rd is radius of deutron.

If an alpha particle, proton and deuteron are projected perpendicularly a uniform magnetic field with same speed then let r_(alpha) is the radius of alpha -particles, r_(P) is radius of proton, rd is radius of deuteron.

When alpha -particle and proton move perpendicular to uniform magnetic field with same speed then ratio of periodic times of their circular motion will be ______

A proton and an alpha- particle enter a uniform magnetic field at right angles to the field with same speed. The ratio of the periods of alpha- particle and proton is

A proton and an alpha particle enter perpendicular to a uniform magnetic field with same velocity. frequency of revolution of a particle will be X times that of proton. X is

A proton and an alpha particle enter in a uniform magnetic field with the same velocity. The time period of rotation of the alpha particle wil be

A proton and an alpha particle enter into a uniform magnetic field with the same velocity. The period of rotation of the alpha particle will be