Weak interaction Weak interaction parity conservation, Beta decay, energy in relativistic conditions, Lifetime 1 / 10 Which particle mediates the weak interaction? Photon W and Z bosons Gluon Neutrino 2 / 10 What is a characteristic feature of weak interactions? Infinite range Violation of parity Strong coupling strength Conservation of color charge 3 / 10 Which process is governed by the weak interaction? Beta decay Fusion in the Sun Nucleon binding Photon emission 4 / 10 What is the approximate range of the weak interaction? Infinite A few femtometers A few picometers Zero 5 / 10 What is the main evidence supporting the weak interaction theory? Parity violation experiments Rutherford scattering Proton decay Blackbody radiation 6 / 10 An electron is emitted during beta decay with a kinetic energy of 0.5 MeV. What is the maximum momentum of the neutrino? (Neglect electron rest mass, c = 3 × 10⁸ m/s). 0.5 MeV/c 1.0 MeV/c 0.25 MeV/c 0.75 MeV/c 7 / 10 Calculate the lifetime of a particle undergoing weak decay with a decay constant of 10⁻¹² s⁻¹. 10⁻¹² s 10¹² s 10⁻¹ s 10⁰ s 8 / 10 A W boson has a mass of 80 GeV/c². What is its equivalent energy? 80 GeV 160 GeV 40 GeV 320 GeV 9 / 10 If the cross-section for a weak interaction is 10⁻⁴ mb, what is its value in m²? 10⁻³² m² 10⁻²⁸ m² 10⁻³⁰ m² 10⁻²⁶ m² 10 / 10 During beta decay, a proton turns into a neutron, emitting a positron and a neutrino. What is the charge of the final system? 1 0 -1 2 Your score is By WordPress Quiz plugin
