The lifetime of a typical excited atomic energy state is of the order of A)10^-6 s B)10^-7 s C)10^-8 s D)10^-9 s E)10^-10 s

Name: The lifetime of a typical excited atomic energy state is of the order of A)10 -6 s B)10 -7 s C)10 -8 s D)10 -9 s E)10 -10 s
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The typical lifetime of an excited atomic energy state is around 10^-8 seconds, which is the time it takes for an atom to return to its ground state by emitting a photon.

The Lifetime of a Typical Excited Atomic Energy State Is