複選題
17. A setup of photoelectric effect is illustrated in the right figure.

(A)The kinetic energy \( K_{max} \) is proportional to the stopping potential

(B)for a light of given frequency, \( K_{max} \) does not depend on the intensity of the light source

(C)increasing the intensity of the light source should cause larger \( K_{max} \)

(D)the slope of a "stopping potential vs. incident light frequency" plot depends on the metals

(E)the work function of the target metal can be derived (T is the target, C is the cathode in the diagram)