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The phenomenon of Photoelectric effect is used in
- a)Photocell
- b)Sonar
- c)Electron Microscope
- d)Optical fibers
Correct answer is option 'A'. Can you explain this answer?
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The phenomenon of Photoelectric effect is used ina)Photocellb)Sonarc)E...
A photocell is a practical application of the phenomenon of photoelectric effect.
When light of frequency greater than the threshold frequency of the cathode material falls on the cathode, photoelectrons are emitted. These electrons are collected by the anode and an electric current starts flowing in the external circuit. The current increases with the increase in the intensity of light. The current would stop, if the light does not fall on the cathode.
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The phenomenon of Photoelectric effect is used ina)Photocellb)Sonarc)E...
Is the correct answer is a photocell since the phenomenon of photocell was used in the solar panel that is because the phenomenon how to Photoelectric effect
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The phenomenon of Photoelectric effect is used ina)Photocellb)Sonarc)E...
- A photocell is a practical application of the phenomenon of the photoelectric effect.
- When the light of frequency greater than the threshold frequency of the cathode material falls on the cathode, photoelectrons are emitted.
- These electrons are collected by the anode and an electric current starts flowing in the external circuit.
- The current increases with the increase in the intensity of light. The current would stop, if the light does not fall on the cathode.
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The phenomenon of Photoelectric effect is used ina)Photocellb)Sonarc)Electron Microscoped)Optical fibersCorrect answer is option 'A'. Can you explain this answer?
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