Atoms And Nuclei Question 210
Question: g-rays radiation can be used to create electron-positron pair. In this process of pair production, g-rays energy cannot be less than [MP PMT 1994]
Options:
A) 5.0 MeV
B) 4.02 MeV
C) 15.0 MeV
D) 1.02 MeV
Show Answer
Answer:
Correct Answer: D
Solution:
Energy released by $ \gamma - $ rays for pair production must be greater than 1.02 MeV.
