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Do the atom collapse in photoelectric effect after continuosly emitting electrons..........??? Do the atom collapse in photoelectric effect after continuosly emitting electrons..........???
An excited atom is unstable and tends to rearrange itself to return to its lowest energy state. When this happens, the electrons lose some or all of the excess energy by emitting light. Light is only emitted at certain frequencies, each corresponding to a particular electronic transition within the allowed states
The photoelectric effect Light above the threshold frequency, even if it's not very intense, will always cause electrons to be emitted. The explanation for the photoelectric effect goes like this: it takes a certain energy to eject an electron from a metal surface.
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