Question

To produce pair production, the minimum energy of $\gamma$-ray should be

• A. 0.15 MeV
• B. 1 MeV
• C. 1.02 MeV
• D. 1.5 MeV

Answer 1

The correct option is C 1.02 MeV

Minimum energy to produce pair production should be 1.02 MeV.