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Photoelectric Effect Video Lecture | Physical Chemistry for NEET
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FAQs on Photoelectric Effect Video Lecture - Physical Chemistry for NEET
| 1. What is the photoelectric effect? |  |
Ans. The photoelectric effect refers to the phenomenon where the emission of electrons occurs when a surface is exposed to light or other electromagnetic radiation.
| 2. What is the significance of the photoelectric effect? | |
Ans. The photoelectric effect is of great significance as it provided experimental evidence for the particle-like behavior of light, leading to the development of the quantum theory. It also laid the foundation for the understanding of the dual nature of light, which is both a particle and a wave.
| 3. How does the photoelectric effect support the particle theory of light? | |
Ans. The photoelectric effect supports the particle theory of light as it demonstrates that light is composed of discrete packets of energy called photons. The emission of electrons only occurs when the photons of light possess sufficient energy to overcome the binding energy of the electrons in the material.
| 4. What factors affect the photoelectric effect? | |
Ans. Several factors influence the photoelectric effect, including the intensity of the incident light, the wavelength or frequency of the light, and the nature of the material surface. The intensity of the light affects the number of electrons emitted, while the wavelength determines the energy of the photons and, therefore, the kinetic energy of the emitted electrons.
| 5. How does the photoelectric effect relate to renewable energy technologies? | |
Ans. The photoelectric effect is the fundamental principle underlying the operation of solar cells. Solar cells convert sunlight into electricity by utilizing the photoelectric effect to generate an electric current. The incident light on the solar cell causes the emission of electrons, which are then collected to produce usable electrical energy.
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Dec 22, 2024 Last updated |
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