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