CHAPTER 11

11.1 (a) Define and use mass defect

11.1 (b) Define and use binding energy, EB = Δmc²

11.1 (c) Determine binding energy per nucleon, EB/A

11.1 (d) Sketch and describe graph of binding energy per nucleon against nucleon number

11.2 (a) Explain α, β+, β−, and γ decays

11.2 (b) State and use decay law, dN/dt = -λN

11.2 (c) Define and determine activity, A and decay constant, λ

11.2 (d) Use N = Nₒe^−λt or A = Aₒe^−λt

11.2 (e) Define and use half-life, T₁/₂ = ln 2/λ

11.3 (a) State the thermionic emission

11.3 (b) Explain the acceleration of particle by electric and magnetic field

11.3 (c) State the role of electric and magnetic field in particle accelerator (linac and cyclotron) and detector (general principle of ionisation and deflection only)

11.3 (d) State the need of high energies required to investigate the structure of nucleon

11.3 (e) Indicate the standard quark-lepton model particles (baryon, meson, leptons and photons)

11.3 (f) Explain the corresponding antiparticle for every particle