Monochromatic light incident on a metal surface emits electrons with kinetic energies from zero to 2.6 eV. What is the least energy of the incident photon if the tightly bound electron needs 4.2eV to remove?

Monochromatic light incident on a metal surface emits electrons with kinetic energies ranging from 0 to 2.5 eV. What is the least energy of the incident photon, if for removing the tightly bound electron from the metal surface an energy of 4.3 eV is required ?

Monochromatic light incident on a metal surface emits electros with kinetic energies form 0 to 2.6 eV. The tightly bound electron needs 4.2 eV. The least energy of the incident photon is

For a monochromatic light incident on a metal surface, the stopping potential is V. Then the kinetic energy of the fastest photoelectrons emitted from that surface is

If photons of energy 6eV are incident on a metallic surface, the kinetic energy of fastest electrons becomes 4eV. What is the value of the stopping potential?

Light of wavelength 4000A∘ is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface?

Find the kinetic energy of emitted electron, if in a photoelectric effect energy of incident Photon is 4 eV and work function is 2.4 eV.

Light of wavelength 4000 Å is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface ?

It takes 4.6 eV remove one of the least tightly bound electrons from a metal surface . When monochromatic photons strike energy from zero to 2.2 eV are ejected . What is the energy of the incident photons ?