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

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

A proton and an alpha - particle are accelerated through same potential difference. Then, the ratio of de-Broglie wavelength of proton and alpha -particle is

The ratio of the de Broglie wavelength of a proton and alpha particles will be 1:2 if their

Find the ratio of de Broglie wavelength of a proton and as alpha -particle which have been accelerated through same potential difference.

The ratio of de Broglie wavelength of a proton and a neutron moving with same velocity is nearly

Find the ratio of de Broglie wavelength of an alpha -particle and a deutron if they are accelerating through the same potential difference

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