An electron and a positron, with a mass of 9.1 × 10-31 kilograms, annihilate each other, producing two photons. What is the approximate energy of each emerging photon? It is 0.51 Mev 2.0 MeV 4.0 MeV 1.02 MeV It cannot be determined unless the frequency of the photon is known.
An electron and a positron, with a mass of 9.1 × 10-31 kilograms, annihilate each other, producing two photons. What is the approximate energy of each emerging photon? It is 0.51 Mev 2.0 MeV 4.0 MeV 1.02 MeV It cannot be determined unless the frequency of the photon is known.
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Transcribed Image Text:An electron and a positron,
with a mass of 9.1 x 10-31
kilograms, annihilate
each other, producing
two photons. What is the
approximate energy of
each emerging photon? It
is 0.51 Mev 2.0 MeV 4.0
MeV 1.02 MeV It cannot
be determined unless the
frequency of the photon is
known.
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