Metal A has a higher work function than metal B.The lowest frequency of light that will cause electrons to be emitted from metal B is fBWhich of the following is true:Select one:a.light of any frequency will cause photoelectrons to be emitted from metal A, but only above a threshold intensity determined by the work functionb.light of any frequency will cause photoelectrons to be emitted from metal A, but the lower the frequency, the longer it takes for the photoelectrons to start being emittedc.light of frequency fB will cause photoelectrons to be emitted, but the maximum current will be less.d.light of frequency fB will emit photoelectrons from metal A if the biasing voltage is increased enoughe.light of frequency higher than fB is needed emit photoelectrons from metal A, regardless of its intensity

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

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

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

f the frequency of incident light falling on a photosensitive metal is doubled, thekinetic energy of the emitted photoelectron i

From the photoelectric effect experiment, following observations are made. Identify which of these are correctA. The stopping potential depends only on the work function of the metal.B. The saturation current increases as the intensity of incident light increases.C. The maximum kinetic energy of a photo electron depends on the intensity of the incident light.D. Photoelectric effect can be explained using wave theory of light.Choose the correct answer from the options given below:B, C onlyA, C, D onlyB onlyA, B, D only