Answer to Question #335520 in Quantum Mechanics for Tushar

Question

  Calculate the uncertainty in wavelength of a light emitted when an atom undergoes transition from an excited state that lasts for 10^-3 second.

Answer 1

$Et=\frac h2,$

$E=\frac h{2t},$

$E=5.3\cdot 10^{-32}~J.$