Ligth emitted during the de excitation of electrons from n=3 to n=2, when incident on metal, photoelectrons following de excitations photoelectrons are just emitted from that metal. In which of the following de excitations photoelectric effect, is not possible ?A. From n=2 to n=1B. From n=3 to n=1C. From n=5 to n=2D. From n= to n=1

Ligth emitted during the de excitation of electrons from n=3 to n=2, w

1.	Ligth emitted during the de excitation of electrons from n=3 to n=2, when incident on metal, photoelectrons following de excitations photoelectrons are just emitted from that metal. In which of the following de excitations photoelectric effect, is not possible ?A. From n=2 to n=1B. From n=3 to n=1C. From n=5 to n=2D. From n= to n=1
Answer» Correct Answer - D The photoelectric effect is possible when light of sufficient energy incident on metal surface. When electron de excites from n=3 to n=2 ,the produces photoeletrif effect. So for the given options, the photoelectric effect is not possible for that level in which energy of emitted light is less than that for n=3 to n=2 `(hv)_(4-3) lt (hv)_(3-2)` Hence, photoelectric effect is not possible.