Answer ALL THREE questions
The numbers in square brackets show the provisional allocation of maximum marks per question or part of question.
The following data may be used if required:
Speed of light in vacuum, c = 2.998 × 108 m · s 1 Planck’s constant, h = 6.626 × 10 34 J · s Fundamental electronic charge, e = 1.602 × 10 19 C
Unified atomic mass unit amu, u =1.661 × 10 27 kg = 931.494 MeV/c2 Proton mass mp = 1.673 × 10 27 kg = 938.3 MeV/c2
Neutron mass mn = 1.675 × 10 27 kg = 939.6 MeV/c2
Electron mass me = 9.109 × 10 31 kg Electron volt eV = 1.602 × 10 19 J
