What is the threshold wavelength for the material in above problems?

What is threshold wavelength?

What is threshold wavelength?

Explain threshold wavelength.

The threshold wavelength of a metal having work function 2 eV is 6000 Å . What will be the threshold wavelength for the metal having a work function of 6 eV ?

Light of wavelength 450 nm in incident on a metal , and it is found that negative potential of 1 V is needed to stop the photocurrent completely. What is the threshold wavelength of the material ?

Light of wavelength 450 nm is incident on a metal , and it is found that negative potential of 1 V is needed to stop the photocurrent completely. What is the threshold wavelength of the material ?

What is the threshold wavelength of a metal if the photoelectric work function of the metal is 5 eV?