If the wavelength of incident radiation is increased in photoemission then_________________?
AThe minimum kinetic energy of the photoelectrons increases
BThe minimum kinetic energy of the photoelectrons decreases
CThe average kinetic energy of the photoelectrons decreases
DThe maximum kinetic energy of the photoelectrons increases
Correct answer
C. The average kinetic energy of the photoelectrons decreases
Explanation
The average kinetic energy of the photoelectrons decreases is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.