3. a. Compute the binding energy for an alpha particle (;He nucleus). Express your answer in units of MeV. Consult the table below. Particle Mass (u) Proton 1.00727 Neutron 1.00866 Electron 0.00055 Deuteron 2.01355 Alpha particle 4.00151 DE avilalong b. Compute the average binding energy per nucleon for He. Does the value agree with Figure 3.1? Determine whether energy would be required or released if an alph mmiupat co 4. Define activity and define two commonly used units for activity. 5. a. The activity of a source is 298 Bq. Estimate its activity in units of nanocuries (nCi). 0c6010 b. Give the range of activities used in radiation therapy. Devilsb Iquil aid To vab ard no baboon era no 6. Convert 15 mCi to MBq. W Jnalgri art of Tong Now Grisvilab to 7. Calculate how much the activity of Co-60 decreases in one month. State bids to mun the answer as a percentage. The half-life of Co-60 is 5.25 years