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The rest mass of an electron as well so that of positron is 0.

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The rest mass of an electron as well so that of positron is $0.51 c M e V$ . When an electron and positron are annihilate they produce gamma-rays of wavelength(s)

0.012 \overset{˚}{A}

0.024 \overset{˚}{A}

0.012 \overset{˚}{A}

\infty

0.024 \overset{˚}{A}

\infty

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The rest mass of an electron as well so that of positron is

0.51 c M e V

. When an electron and positron are annihilate they produce gamma-rays of wavelength(s)

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Question Text

The rest mass of an electron as well so that of positron is

0.51 c M e V

. When an electron and positron are annihilate they produce gamma-rays of wavelength(s)

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