Question 1
Find the nuclear binding energy of uranium-234 (atomic mass = 234.040947 amu) in units of joules per nucleon. [Data: neutron mass = 1.674928 × 10
–24 g; proton mass = 1.672623 × 10
–24 g; electron mass = 9.109387 × 10
–28 g; N
A = 6.0221367 × 10
23 /mol; c = 2.99792458 × 10
8 m/s]
◦ 2.97 × 10
–10 J/nucleon
◦ 3.04 × 10
–10 J/nucleon
◦ 1.30 × 10
–12 J/nucleon
◦ 1.22 × 10
–12 J/nucleon
◦ 1.27 × 10
–12 J/nucleon
Question 2
Gamma-rays cause radiation damage when they interact with matter by producing
◦ ions and free radicals.
◦ isotopes.
◦ daughter products.
◦ oxidation.
◦ reduction.