What will be the effect on the velocity of emitted photo-electron if the wavelength of incident light is gradually decreased?

What is the effect on the velocity of emitted photoelectrons if the wavelength of the incident light is increased ?

What is the effect on the velocity of the emitted photoelectrons if the wavelength of the incident light is decreased?

What is the effect on the velocity of the emitted photoelectrons if the wavelength of the incident light is decreased ?

What is the effect on the maximum velocity of the emitted electron if the wavelength of the incident light is decreased?

What is the effect on the maximum kinetic energy and the numver of photoelectrons when (i) The intensity of incident light decreases. (ii) The emitting surcac is charged. (iii) Wavelength of incident light increase.

What is the effect on the maximum kinetic energy and the numver of photoelectrons when (i) The intensity of incident light decreases. (ii) The emitting surcac is charged. (iii) Wavelength of incident light increase.

What is the effect on the maximum kinetic energy and the number of photoelectrons when (i) The intensity of incident light decreases. (ii) The emitting surcac is charged. (iii) Wavelength of incident light increase.

The work function for a metal is 4eV. To emit a photo electron of zero velocity from the surface of the metal, the wavelength of incident light should be: