Calculate the minimum kinetic energy in eV of photoelectron produced in caesium by 400 nm light . The critical (maximum) wavelength for the photoelectric effect in caesium is 660 nm, when the potential difference is 1.78 V.

Calculate the maximum kinetic energy and maximum velocity of the photoelectrons emitted when the stopping potential is 81V for the photoelectric emission experiment.

Light of wavelenght 4000Å falls on the surface of cesium . Calculate the maximum kinetic energy of the photoelectron emiited . The critical wavelenght for photoelectric effect in cesium is 6600Å.

When monochromatic light of wavelength 620 nm is used to illuminate a metallic surface, the maximum kinetic energy of photoelectrons emitted is 1 eV. Find the maximum kinetic energy of photoelectron emitted (in eV) if a wavelength of 155 nm is used on the same metallic surface. (hc = 1240 eV-nm)

When monochromatic light of wavelength 620 nm is used to illuminate a metallic surface, the maximum kinetic energy of photoelectrons emitted is 1 eV. Find the maximum kinetic energy of photoelectron emitted (in eV) if a wavelength of 155 nm is used on the same metallic surface. (hc = 1240 eV-nm)

In photoelectric effect if the intensity of light is doubled then maximum kinetic energy of photoelectrons will become

The stopping potential in an experiment on photoelectric effect is 2V. What is the maximum kinetic energy of the photoelectrons emitted ?