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Particle Nature of Light-Photon Video Lecture - NEET

FAQs on Particle Nature of Light-Photon Video Lecture - NEET

1. What is the particle nature of light?
2. What is a photon?
Ans. A photon is the fundamental particle of light. It is a discrete bundle of electromagnetic energy that has no mass and travels at the speed of light. Photons can exhibit both wave-like and particle-like properties, depending on the experiment or observation.
3. How does the particle nature of light explain the photoelectric effect?
Ans. The particle nature of light explains the photoelectric effect by considering that light is composed of photons. When photons with enough energy strike certain materials, they can transfer their energy to the electrons in the material. This can cause the electrons to be ejected, resulting in the photoelectric effect.
4. Can light be considered as purely a wave or purely a particle?
Ans. No, light cannot be considered purely as a wave or purely as a particle. It exhibits properties of both waves and particles, known as wave-particle duality. This duality is a fundamental concept in quantum mechanics and is supported by numerous experiments and observations.
5. How does the particle nature of light relate to the concept of energy quantization?
Ans. The particle nature of light relates to the concept of energy quantization by suggesting that energy can only be absorbed or emitted in discrete amounts, corresponding to the energy carried by individual photons. This idea is consistent with the observation that light emission and absorption occur in specific energy levels, as seen in phenomena like atomic spectra and the photoelectric effect.
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