tailieunhanh - physics_test_bank_split_44

Tham khảo tài liệu 'physics_test_bank_split_44', khoa học tự nhiên, vật lý phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Simpo PDF Merge and Split Unregistered Version - http Chapter 44 QUARKS LEPTONS AND THE BIG BANG 1. Which of the following particles is stable A. Neutron B. Proton C. Pion D. Muon E. Kaon ans B 2. The stability of the proton is predicted by the laws of conservation of energy and conservation of A. momentum B. angular momentum C. baryon number D. lepton number E. strangeness ans C 3. When a kaon decays via the strong interaction the products must include a A. baryon B. lepton C. strange particle D. electron E. neutrino ans C 4. A particle with spin angular momentum h 2 is called a A. lepton B. hadron C. fermion D. boson E. electron ans C 5. A particle with spin angular momentum h is called a A. lepton B. hadron C. fermion D. boson E. electron ans D 646 Chapter 44 QUARKS LEPTONS AND THE BIG BANG Simpo PDF Merge and Split Unregistered Version - http 6. An example of a fermion is a A. photon B. pion C. neutrino D. kaon E. none of these ans C 7. An example of a boson is a A. photon B. electron C. neutrino D. proton E. neutron ans A 8. All particles with spin angular momentum h 2 A. interact via the strong force B. travel at the speed of light C. obey the Pauli exclusion principle D. have non-zero rest mass E. are charged ans C 9. All leptons interact with each other via the A. strong force B. weak force C. electromagnetic force D. strange force E. none of these ans B 10. An electron participates in A. the strong force only B. the strong and weak forces only C. the electromagnetic and gravitational forces only D. the electromagnetic gravitational and weak forces only E. the electromagnetic gravitational and strong forces only ans D 11. Which of the following particles has a lepton number of zero A. e B. C. Ve D. VM E. p ans E Chapter 44 QUARKS LEPTONS AND THE BIG BANG 647 Simpo PDF Merge and Split Unregistered Version - http 12. Which of the following particles has a lepton number of 1 A. e B. M C. M- D. Ve E. p ans C .