An electron and a proton enter a magnetic field perpendicularly. Both have same kinetic energy. Which of the following is true

An electron and proton enter a uniform magnetic field perpendicularly. Both have same kinetic energy. Which of the following is true?

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

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

An electron and a proton enter a uniform magnetic field perpendicularly with the same speed. How many times larger will be the radius of the proton's path than that of the electron's path? Given: proton is 1840 times heavier then the electron.

An electron and a proton having same momenta enter perpendicularly to a magnetic field, then

If an electron and a proton having same momenta enter perpendicular to a magnetic field, then

If an electron and a proton having same momenta enter perpendicular to a magnetic field, then