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