An eletron and a proton are injected into a uniform magnetic field at right to its direction with the same momentum . Then

An electron and a proton are injected into a uniform magnetic field perpendicular to it with the same momentum, nature of their trajectories is given by the statement

The mass of a proton is about 2,000 times the mass of an electron. An electron and a proton are injected into a uniform electric field at right agles to the direction of the field with the same initial kinetic energy. Then

The mass of a proton is 1847 times that of an electron A electron and a proton are injected into a unifrom electric field at right angle to the direction of the field with the same initial K.E.

The mass of a proton is 1847 times that of an electron A electron and a proton are injected into a unifrom electric field at right angle to the direction of the field with the same initial K.E.

An electron of mass m_e and a proton of mass m_p are injected into a uniform magnetic field at right angles to the direction of the field, with equal velocity. The ratio of the radii of their orbits r_e//r_p is equal to

An electron and a proton enter region of uniform magnetic field in a direction at right angles to the field with the same kinetic energy. They describe circular paths of radius r_(e) and r_(p) respectively. Then

An electron and a proton enter region of uniform magnetic field in a direction at right angles to the field with the same kinetic energy. They describe circular paths of radius r_(e) and r_(p) respectively. Then

An electron and a proton enter a magnetic field at right angles to the field with the same kinetic energy

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