/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 11 : Dual Nature of Radiation and Matter This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 For photoelectric effect to occur, frequency must be Less than threshold frequency Equal to threshold frequency Greater than threshold frequency Both (2) and (3) 2 / 10 For an electron and proton having same kinetic energy, the de Broglie wavelength is Equal for both Greater for electron Greater for proton Depends on velocity 3 / 10 The relation between maximum kinetic energy and frequency is Linear Parabolic Exponential None 4 / 10 A metal has work function 3 eV. If radiation of λ = 200 nm falls on it, then maximum KE = ? (hc = 1240 eV·nm) 3.2 eV 2.2 eV 1.2 eV 4.2 eV 5 / 10 A photon of 400 nm has energy approximately 2.5 eV 4.2 eV 1.8 eV 3.1 eV 6 / 10 Photoelectric current becomes zero at Zero potential Stopping potential Saturation potential Threshold frequency 7 / 10 The slope of the Kinetic Energy vs frequency of a graph for a photoelectric emission gives: Work function c h Threshold frequency 8 / 10 The wavelength of a 150 eV electron is approximately 1 nm 10 nm 0.01 nm 0.1 nm 9 / 10 When frequency of light becomes 2ν from ν, the maximum kinetic energy of the photoelectron Doubles Halves Increases by hν Increases by hν₀ 10 / 10 In the slope of Kmax vs ν graph, the intercept on frequency axis gives ν₀ Work function Threshold energy Kinetic energy Your score is 0% Restart quiz
