ifos • paper_2 • quantum_mechanics
[UPSC IFoS 2022] Foundations of Quantum Mechanics (Q13, 8M)
The lifetime of a given atom in an excited state is 10^{-8}\text{ s}. It comes to the ground state by emitting a photon of wavelength 5800\text{ \AA}. Find the energy uncertainty and wavelength uncertainty of the photon.
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