JEE Main · PhysicsEasy
Which of the following phenomena is used to explain the particle nature of light?
- A.Interference
- B.Diffraction
- C.Photoelectric effect
- D.Polarization
Show correct answer & step-by-step solution
Correct answer: C — Photoelectric effect
Solution
- Wave phenomena such as interference, diffraction, and polarization are explained by the wave theory of light.
- The photoelectric effect involves the emission of electrons from a material when struck by light, which cannot be explained by wave theory.
- This phenomenon is explained by treating light as discrete packets of energy known as photons, confirming its particle nature.
- Hence the answer is (C).
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