Question

solve this question.......​

Answer 1

ⓖⓞⓛⓤ ⓜⓞⓛⓝⓘⓝⓖ

energy of incident Photon ,

E = hc/ lemda

= 1242eV nm/ 300nm

= 4.14 eV

electron will be knocked out of the hydrogen atom if :-

E > 13.6 eV

electron will go to First excited state if :-

E > energy of first excited state .

so electron will keep orbiting in the ground state of atom .

❤.❤

Answer 2

Answer:

Check the attachment !!