` H^(+), He^(+) and O^(++)` all having the same kinetic energy pass through a region in which there is a uniform magnetic field perpendicular to their velocity . The masses of ` H^(+), He^(+) and O^(2+)` are `1 amu, 4 amu and 16 amu` respectively . Then

Options

A. `H^+` will be least deflected
B. `He ^+ and O^+` will be deflected equally.
C. `O^+` will be deflected most
D. All will be deflected equally.

Answer

B