What is the uncertainty in energy of the photon

Reference no: EM13719153

Problem: The lifetime of the first excited state of a hydrogen atom is about 10 ns.

Part A: What is the uncertainty in energy of the photon emitted when the atom returns to its ground state?

I need help to find the uncertainty in energy of the photon emitted when the atom returns to its ground state.

Reference no: EM13719153

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