In a photoelectric experiment, if the intensity of the incident light beam is unchanged while the frequency of the light beam is increased, which of the following is true?

W) The number of photoelectrons emitted per second increases

X) The maximum kinetic energy of the photoelectrons emitted increases

Y) The maximum kinetic energy of the photoelectrons emitted decreases

Z) The maximum kinetic energy of the photoelectrons emitted remains unchanged
X) THE MAXIMUM KINETIC ENERGY OF THE PHOTOELECTRONS EMITTED INCREASES