Unified mass
Convert 12.0 u to kg.
Mass–energy
Find energy equivalent of 0.0050 u.
Binding energy
A nucleus has mass defect 0.120 u. Find binding energy.
Per nucleon
Total binding is 180 MeV for A=24. Find BE/A.
Fission and fusion
Why can both release energy?
Activity
N=5.0×10¹⁰ and λ=3.0×10⁻⁴ s⁻¹. Find A.
Decay law
λ=0.010 s⁻¹. Find fraction remaining after 100 s.
Half-life
A sample falls from 6400 to 800 Bq in 18 h. Find half-life.