Q. Einstein’s photoelectric equation states that $Ek = hv - \phi.$ In this equation $E_{k}$ refers to
A) Kinetic energy of all the emitted electrons
B) Mean kinetic energy of the emitted electrons
C) Maximum kinetic energy of the emitted electrons
D) Minimum kinetic energy of the emitted electrons
Explanation
(c) According to Einstein’s photoelectric equation
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.