Does the stopping potential in photoelectric emission depend upon
(i) the intensity of the incident radiation in a photocell
(ii) the frequency of the incident radiation?

With what purpose was famous Davisson-Germer experiment with electrons performed?

Which of the two :
(i) light or
(ii) moving material particle is concerned with de-Broglie hypothesis?

If the intensity of light falling on a metal plate is doubled, what will be the effect on photocurrent and maximum kinetic energy of emitted photoelectrons?

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