/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 A photon of 3 eV strikes a metal with ϕ = 2 eV. Find stopping potential. 1 V 2 V 3 V 0.5 V 2 / 10 The unit of work function is Joule Volt eV Both (1) and (3) 3 / 10 The phenomenon of emission of electrons by a metal surface when illuminated by light is called Thermionic emission Photoelectric emission Field emission Secondary emission 4 / 10 Photoelectric current becomes zero at Zero potential Stopping potential Saturation potential Threshold frequency 5 / 10 The concept of wave nature of matter was proposed by Planck Einstein de Broglie Bohr 6 / 10 The efficiency of photoelectric emission increases if Temperature increases Frequency increases Intensity increases Pressure increases 7 / 10 The momentum of a photon is given by hν λ/h h/λ hc 8 / 10 The relation between maximum kinetic energy and frequency is Linear Parabolic Exponential None 9 / 10 The photoelectric equation predicts linear relation between ν and Kmax I and Kmax V and I I and ν 10 / 10 For a given frequency, which metal will show photoemission (ϕ is workfunction)? High ϕ Low ϕ Medium ϕ Independent Your score is 0% Restart quiz
