The Davisson and Germer experiment proved:

According to Bohr's theory,the electron in orbits has definite energy values. Then,according to the uncertainty principle,the lifetime of an excited state will be:

In the Davisson-Germer experiment,the nickel crystal acts as a .........

$A$ sodium atom is in one of the states labeled 'Lowest excited levels'. It remains in that state for an average time of $10^{-8} \, s$,before it makes a transition back to a ground state. What is the uncertainty in energy of that excited state?

The Davisson-Germer experiment is the direct evidence of

The wave nature of electrons was experimentally verified by,