In: Physics
a) Radon undergoes alpha decay with a half-life of 3.8 days. What is its decay constant in s-1?
b) Sr -90 (A=90, Z = 38) decays via β- decay. Calculate the energy of the antineutrino (in keV) if the beta particle has a kinetic energy of 397 keV. Note - you can look the atomic masses up online.
c) What is the average binding energy per nucleon for Argon-40 (A=40, Z = 18) in MeV/nucleon? Note - keep 4 significant figures.
This is the direct formula of converting atomic mass to energy.
1 atomic mass unit = 0.931368 MeV.
To convert atomic mass to atomic energy.
Energy= mc^2.