A gamma-ray photon of frequency 8.44 × 1022 Hz creates a particle-antiparticle pair. The particle-antiparticle pair have zero kinetic energy. What is the mass of the particle?
3.11×10−28 kg3.11 \times 10^{-28} \text{ kg}3.11×10−28 kg
6.22×10−28 kg6.22 \times 10^{-28} \text{ kg}6.22×10−28 kg
9.33×10−20 kg9.33 \times 10^{-20} \text{ kg}9.33×10−20 kg
5.60×10−11 kg5.60 \times 10^{-11} \text{ kg}5.60×10−11 kg
