Calculate the ratio of velocity of proton and `alpha-particle`, if they have same De-broglie's wave length.

Calculate ratio of wavelength for a proton and alpha- particle . If their KE are same.

Find the ratio of velocities of proton and alpha -particle if the de Broglie wavelengths of both the particles is same.

The ratio of velocities of a proton and "alpha" particle is 4 : 1 The ratio of their De Broglic wave length will be

Find the ratio of de Broglie wavelength of proton and alpha -perticle of same energy

Calculate the ratio of the accelerating potential required to accelerate (i) a proton and (ii) and alpha particle to have the same de-Broglie wavelength associated with them.

What will be the ratio of de - Broglie wavelengths of proton and alpha - particle of same energy ?

If E_1, E_2 and E_3 represent respectively the kinetic energies of an electron, an alpha - particle and a proton each having same de-Broglie wavelength, then

If E_(1),E_(2) and E_(3) represent respectively , the kinetic energies of an elctron an alpha particle and a proton each having same de Broglie wavelength , then