Q. The frequency and work function of an incident photon are $v$ and $\phi_{0}$. If $v_{0}$ is the threshold frequency then necessary condition for the emission of photo electron is
A) $v < v_{0}$
B) $v = \frac{v_{0}}{2}$
C) $v \geq v_{0}$
D) None of these
Explanation
The correct answer is Option C: $v \geq v_{0}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.