What is the de-Broglie wavelength (in nm) associated with an electron subjected to a polarised difference of 54 volt?

Find the de Brogile wavelength associated with an electron accelerated under a potential difference of 100 V.

Derive the expression for de Broglie wavelength associated with an electron in a potential differences of V volts.

The de-Broglie wavelength associated with an electron accelerated through a potential difference V is lambda . What will be wavelength when accelerating potential is increased to 4V?

What is the de-Broglie wavelength of an electron beam accelerated through a potential difference of 25 V?

What is the de-Broglie wavelength of an electron with kinetic energy of 120 eV?