The photoelectric threshold for a certain metal surface is 330 Å . What is the maximum kinetic energy of the photoelectrons emitted , if radiations of wavelength `1100 Å ` are used ?

The photoelectric threshold wavelength for a certain metal is 4000A^(@) . The maximum energy of the ejected photoelectrons by a radiation of 2000A^(@) is

The photo electric threshold for a metal surface is 5800 Å. Calculate the kinetic energy of a photoelectron, when a light of wavelength 4500 Å is incident on the metal surface.

Photoelectric threshold wavelength for a metal is 3800 Å . Find the maximum kinetic energy of emitted photoelectron, when ultraviolet radiation of wave length 2000Å is incident on the metal surface. Planck's constant, h = 6.62 xx 10^(-34) J.s

The photoelectric work function of a surface is 2.2 eV. The maximum kinetic energy of photoelectrons emitted when light of wavelength 6200 Å is incident on the surface, is

The photoelectric work function of a surface is 2.2 eV. The maximum kinetic energy of photoelectrons emitted when light of wavelength 6200 Å is incident on the surface, is