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