Physics Quiz (SSS3) Hi, Test your knowledge with our Physics questions! 1 / 20 The unit of capacitance is the ______. henry tesla ohm farad 2 / 20 The energy of a photon is directly proportional to its ______. speed amplitude wavelength frequency 3 / 20 The binding energy of a nucleus is the energy required to ______. break the nucleus into protons only ionize the nucleus increase the mass of the nucleus separate the nucleus into its constituent nucleons 4 / 20 The type of semiconductor doping that adds extra electrons is called ______. p-type n-type extrinsic intrinsic 5 / 20 The unit of electric field strength is ______. ampere newton newton per coulomb (N/C) volt 6 / 20 The velocity of light in a vacuum is approximately ______. 3.0 × 10⁸ m/s 3.0 × 10⁵ m/s 3.0 × 10⁶ m/s 3.0 × 10⁷ m/s 7 / 20 The phenomenon in which electrons are emitted from a metal surface when light of certain frequency shines on it is called ______. phosphorescence fluorescence thermionic emission photoelectric effect 8 / 20 The SI unit of magnetic flux is the ______. gauss weber henry tesla 9 / 20 The magnetic field inside a long solenoid is ______. non-uniform zero uniform and strong none of the above 10 / 20 The rate of radioactive decay is measured using the quantity called ______. activity all of the above frequency half-life 11 / 20 The distance covered per unit time is called ______. speed displacement acceleration velocity 12 / 20 Which law states that the induced electromotive force in a coil is proportional to the rate of change of magnetic flux linkage? Lenz’s law Ohm’s law Faraday’s law Coulomb’s law 13 / 20 The force between two charges is inversely proportional to the square of the ______. difference of the charges product of the charges sum of the charges distance between the charges 14 / 20 The property of a nucleus that determines its stability is its ______. size neutron-to-proton ratio density charge 15 / 20 When a light ray passes from air to glass, it bends towards the ______. surface reflected ray normal air 16 / 20 Which of the following represents Ohm’s law? I = VR P = IV V = IR V = I²R 17 / 20 The half-life of a radioactive isotope is ______. the time taken for the isotope to double in mass the time taken for the isotope to decay completely the time taken for half of the radioactive nuclei to decay the time taken for the isotope to become stable 18 / 20 The electronvolt (eV) is a unit of ______. energy force power charge 19 / 20 A transformer that increases voltage is called a ______ transformer. step-up isolating power step-down 20 / 20 In the photoelectric effect, increasing the intensity of incident light ______. increases the number of emitted electrons increases the kinetic energy of emitted electrons decreases the number of emitted electrons increases the work function Your score isThe average score is 0% 0% Restart quiz
