- Light of intensity I and frequency f, which is above the threshold frequency, is directed at a polished metal surface. The following three claims are made about electrons ejected from the surface.
I. The ejection is almost instantaneous.
II. The number ejected is proportional to I.
III. Their kinetic energy is equal to Planck's constant multiplied by f.
Which statements are correct?
Question 37
Textbook topics in this question
Review the exact course sections assessed by each question part.