Through what potential difference should an electron be accelerated so that its de-Broglie wavelength becomes `0.4 overset(@)(A)` ?

Electron beam is accelerated so that de-Broglie wavelength is 10 overset@A . The accelarating potential is.

Find momentum of the electron having de Broglie wavelength of 0.5overset@ .

What is the speed of a proton having de Broglie wavelength of 0.08overset@ A ?

An electron is accelerated through a potential of 120 V. Find its de-Broglie wavelength.

A proton and an alpha-particle are accelerated through the same potential difference. The ratio of the de Broglie wavelength of the proton to the de Broglie wavelength of the alpha-particle will be

The momentum of a particle associated with de-Broglie is wavelength of 6overset@ A is

The kinetic energy of an electron is 500 eV. Calculate the de-Broglie wavelength associated with it.

Find the momentum of the electron having de Broglie wavelength 1.457 oversetA.