How much total kinetic energy will an electron-position
pairhave if produced by a photon of energy 3.24 mev?

2.2 MeV

Explanation:

Given

Energy of incoming Photo

and Rest mass of electron and Proton has 0.51 Mev which can be derived by

mass of Electron

Where

Energy associated

This energy can be treated as work function i.e.

Work function

Applying Einstein Equation we get

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