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.



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