Physics WAEC / WASSCE 2020 Heat Energy & Temperature
Which of the following statements about photoelectrons is correct?
A
A faint green light produces photoelectrons with less kinetic energy than a bright red light
B
A red light releases a smaller number of electrons than a green light
C
A faint green light produces photoelectrons with greater kinetic energy than a bright red light
D
A red light produces more photoelectrons than a green light