Question

studying for my final, help

2) (1 pt) Photoelectrons are ejected when monochromatic light shines on a freshly-prepared (oxide-free) sodium surface. In order to obtain the maximum increase in the number of electrons ejected per second, the experiment needs to a. increase the frequency of the light. b. increase the intensity of the light. c. increase the area illuminated by the light. d. do all of the above.

Answer 1

No. Of ejected electron is directly depends upon the intensity of incident light .

Hence on increasing the intensity of light, no. of electron ejected is increases.

Option b.)