Given below are two statements:Statement I : Out of microwaves, infrared rays and ultraviolet rays, ultraviolet rays are the most effective for the emission of electrons from a metallic surface.Statement II : Above the threshold frequency, the maximum kinetic energy of photoelectrons is inversely proportional to the frequency of the incident light.In the light of above statements, choose the correct answer from the options given below

The maximum kinetic energy of emitted photoelectrons, from different metalsurfaces, depends upon:A. Intensity of incident light only ⃝B. Frequency of the incident light only ⃝C. Nature of metal surface ⃝D. Both frequency of incident light and nature of metal surface

Radiations of frequency, (v) are incident on a photosensitive metal. The maximum kineticenergy of photoelectrons is E. When the frequency of the incident radiations is doubled, then whatis the maximum kinetic energy of the photoelectrons?

In the following diagram, photons of frequency 3Φ/h are incident on a metal, and interact with electrons at energy levels A and B.Which of the following statements is true?Select one:a.photoelectrons from energy level B will have more kinetic energy than those from energy level Ab.photoelectrons from energy level A will have more kinetic energy than those from energy level Bc.photoelectrons from A will require a smaller stopping voltage than those from level Bd.kinetic energy of photoelectrons depend only on photon frequency and are independent of inital electron energye.kinetic energy of photoelectrons depend only on work function and are independent of inital electron energyf.no photoelectrons will be emitted

When photons with a wavelength of 232 nm are incident on a metal with a work function =1.78 eV., the maximum kinetic energy (in eV to two decimal places) of photoelectrons emitted are

When sodium metal surface is exposed to radiation of 300 nm, electrons with kinetic energy KE= 1.68 x 105 Jmol-1 are emitted.a) Calculate the minimum energy needed to remove an electron from the metal surface.b) What is the maximum wavelength that will cause photoelectric effect