A photocell cathode is made of a metal with a work function of 2.8 eV. Light of wavelength 430 nm shines on the cathode.
Posted: Fri Jun 10, 2022 11:27 am
- A Photocell Cathode Is Made Of A Metal With A Work Function Of 2 8 Ev Light Of Wavelength 430 Nm Shines On The Cathode 1 (26.92 KiB) Viewed 239 times
A photocell cathode is made of a metal with a work function of 2.8 eV. Light of wavelength 430 nm shines on the cathode. (a) (b) State and explain, using appropriate calculations, whether the electrons will be emitted from the cathode or not. An electron is accelerated between two plates with a potential difference of 4 kV. Determine the de Broglie wavelength of the electron.