Electron and proton are moving with the same speed, which will have more wvalength?

Electron and proton are moving with the same speed, which will have more wavelength?

An electron and a proton moving with same speed enter the same magnetic field region at right angles to the direction of the field. For which of the two particles will the radius of the circular path be smaller?

A bus and a ball are moving with the same speed. To stop which one would require more force ?

If we consider electrons and photons of same wave length, then they will have the same: