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NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
- In photoelectric effect
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- The momentum of a photon of wavelength lambda is
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- The rest mass of a photon of wavelength lambda is
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- In photoelectric effect, the number of photoelectrons emitted is propo...
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- A metallic surface ejects electrons when hit by green light but none w...
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- Photoelectric effect supports quantum nature of light because :
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- The strength of the photoelectric current depends upon
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- The threshold wavelength for photoelectric emission from a material ...
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- The frequency and the intensity of a beam of light falling on the surf...
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- In photoelectric effect the slope of straight line graph between stopp...
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- In photoelectric effect , photocurrent
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- The photoelectron emitted from a metal surface are such that their vel...
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- By increasing the intensity of incident light on the surface of a meta...
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- When a given electromagnetic radiation illuminates the metal surface ,...
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- Photoelectrons are emitted by a metal surface only when
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- The electrons are emitted in a photoelectric effect from a metal surfa...
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- Photo electric effect is the phenomenon in which
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- In the photoelectric effect the velocity of the ejected electrons depe...
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- The stopping potential as a function of frequency of incident radiatio...
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- Photoelectric effect is explained by
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