Antiparticle Antiparticle 1 / 10 What is the antiparticle of an electron called? Proton Positron Neutron Antineutron 2 / 10 What happens when a particle collides with its antiparticle? They repel each other They annihilate each other They combine to form a larger particle They lose energy 3 / 10 Which of the following is an antiparticle? Neutrino Positron Gluon Quark 4 / 10 What property differs between a particle and its antiparticle? Mass Spin Charge All of the above 5 / 10 The antiparticle of a neutron is: Proton Antineutron Electron Neutrino 6 / 10 Which particle does not have a distinct antiparticle? Photon Electron Proton Neutrino 7 / 10 What is the charge of an antiproton? -1 +1 None of these 8 / 10 When an electron meets a positron, they produce: Two photons A proton A neutron A quark-antiquark pair 9 / 10 Who first predicted the existence of antiparticles? Albert Einstein Paul Dirac Werner Heisenberg Niels Bohr 10 / 10 Which of the following is a lepton-antilepton pair? Electron-positron Proton-antiproton Neutron-antineutron Photon-photon Your score is By WordPress Quiz plugin