Find the retarding potential required to stop electron of the de Broglie wavelength 0.5 nm

Calculate the retarding potential to be applied to an eklectron to de Broglie wavelength from 1.73 Å to 2.25 Å ?

State any four properties of de-Broglie wavelength. Calculate the potential required for the electron of de-Broglie wavelength 2000overset@ A .

Find the energy required by an electron to have its de Broglie wavelength reduced from 10^(-10)m " to " 0.5 xx 10^(-10)m .

A metal surface of work function 1.07 eV is irradiated with light of wavelength 332 nm . The retarding potential required to stop the escape of photo - electrons is

A metal surface of work function 1.07 eV is irradiated with light of wavelength 332 nm . The retarding potential required to stop the escape of photo - electrons is

A metal surface of work function 1.07 eV is irradiated with light of wavelength 332 nm . The retarding potential required to stop the escape of photo - electrons is

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