Q. Figure represents a graph of kinetic energy $(K)$ of photoelectrons (in $eV)$ and frequency $(v)$ for a metal used as cathode in photoelectric experiment. The work function of metal is
A) $1\ eV$
B) $1.5\ eV$
C) $2\ eV$
D) $3\ eV$
Explanation
(c) Work function is the intercept on $K.E.$ axis $i.e.\ 2eV$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.