The Minimum Energy That a Photon Must Have to Create

question 40

Multiple Choice

The minimum energy that a photon must have to create an electron-positron pair is

• A) 0.511 MeV.
• B) 1.022 MeV.
• C) 2.044 MeV.
• D) 0.256 MeV.
• E) any amount more than zero.

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