Q 2(a)The E* particle has a rest energy of 1385 MeV and a lifetime of 2.0 x 10-23 s. What would be a typical range of outcomes of measurements of the E* rest energy? (b)A nucleus emits a gamma ray of energy 1.2 MeV from a state that has a lifetime of 2.1 ns. What is the uncertainty in the energy of the gamma ray?

Q 2(a)The E* particle has a rest energy of 1385 MeV and a lifetime of 2.0 x 10-23 s. What would be a typical range of outcomes of measurements of the E* rest energy? (b)A nucleus emits a gamma ray of energy 1.2 MeV from a state that has a lifetime of 2.1 ns. What is the uncertainty in the energy of the gamma ray?

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Question

Q 2(a)The E* particle has a rest energy of 1385 MeV and a lifetime of 2.0 x 10-23
s. What would be a typical range of outcomes of measurements of the E* rest
energy?
(b)A nucleus emits a gamma ray of energy 1.2 MeV from a state that has a lifetime
of 2.1 ns. What is the uncertainty in the energy of the gamma ray?

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