Physics Quiz (SSS3) Hi, Test your knowledge with our Physics questions! 1 / 20 The unit of capacitance is the ______. tesla ohm henry farad 2 / 20 The force between two charges is inversely proportional to the square of the ______. product of the charges sum of the charges difference of the charges distance between the charges 3 / 20 The type of semiconductor doping that adds extra electrons is called ______. p-type n-type extrinsic intrinsic 4 / 20 Which of the following represents Ohm’s law? P = IV V = IR V = I²R I = VR 5 / 20 The property of a nucleus that determines its stability is its ______. neutron-to-proton ratio charge size density 6 / 20 The binding energy of a nucleus is the energy required to ______. separate the nucleus into its constituent nucleons break the nucleus into protons only increase the mass of the nucleus ionize the nucleus 7 / 20 The rate of radioactive decay is measured using the quantity called ______. half-life all of the above activity frequency 8 / 20 A transformer that increases voltage is called a ______ transformer. step-up isolating step-down power 9 / 20 Which law states that the induced electromotive force in a coil is proportional to the rate of change of magnetic flux linkage? Ohm’s law Lenz’s law Faraday’s law Coulomb’s law 10 / 20 When a light ray passes from air to glass, it bends towards the ______. reflected ray normal air surface 11 / 20 The unit of electric field strength is ______. newton newton per coulomb (N/C) ampere volt 12 / 20 In the photoelectric effect, increasing the intensity of incident light ______. increases the kinetic energy of emitted electrons decreases the number of emitted electrons increases the work function increases the number of emitted electrons 13 / 20 The phenomenon in which electrons are emitted from a metal surface when light of certain frequency shines on it is called ______. photoelectric effect fluorescence thermionic emission phosphorescence 14 / 20 The magnetic field inside a long solenoid is ______. uniform and strong zero none of the above non-uniform 15 / 20 The velocity of light in a vacuum is approximately ______. 3.0 × 10⁵ m/s 3.0 × 10⁶ m/s 3.0 × 10⁷ m/s 3.0 × 10⁸ m/s 16 / 20 The electronvolt (eV) is a unit of ______. charge energy power force 17 / 20 The energy of a photon is directly proportional to its ______. wavelength amplitude speed frequency 18 / 20 The SI unit of magnetic flux is the ______. henry tesla gauss weber 19 / 20 The distance covered per unit time is called ______. displacement speed acceleration velocity 20 / 20 The half-life of a radioactive isotope is ______. the time taken for the isotope to become stable the time taken for the isotope to double in mass the time taken for half of the radioactive nuclei to decay the time taken for the isotope to decay completely Your score isThe average score is 63% 0% Restart quiz
