Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Dual Nature of Radiation and Matter

Question:

Einstein's Photoelectric Equation is :

Kmax = hv - Φ

where v is the frequency of the incident radiation and Kmax is the maximum possible kinetic energy of photoelectron. The work function Φ is given as :

Φ = hv. In terms of stopping potential, Kmax = eV0.

What is the packet of energy called?
Options:
electron
proton
photon
neutron
Correct Answer:
photon
Explanation:
Definition of photon : A packet of energy is called photon.