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