For a given kinetic energy, which of the following has the smallest de Broglie wavelength : electron, proton and `alpha-particle`?

When moving with the same velocity which of the following particles has the largest de Broglie wavelength and why ? (i) Electron (ii) Proton (iii) alpha -particle.

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

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

A proton and an electron have same kinetic energy. Which one has smaller de-Broglie wavelength ?

An electron, an alpha- particle, and a proton have the same kinetic energy. Which of these particles has the shortest de Broglie wavelength?

An electron, an alpha- particle, and a proton have the same kinetic energy. Which of these particles has the shortest de Broglie wavelength?

An electron, an alpha -particle and a proton have the same kinetic energy. Which of these particles has the shortest de Broglie wavelength?

An electron, an alpha- particle, and a proton have the same kinetic energy. Which of these particles has the shortest de Broglie wavelength?