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