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