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In order to increase the kinetic energy of ejected photoelectrons, there should be an increase in
  • a)
    wavelength of radiation
  • b)
    intensity of radiation
  • c)
    frequency of radiation
  • d)
    Both the wavelength and intensity of radiation
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In order to increase the kinetic energy of ejected photoelectrons, the...
The kinetic energy of emitted photoelectrons should increase with the light amplitude. The rate of electron emission, which is proportional to the measured electric current, should increase as the light frequency is increased.
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Most Upvoted Answer
In order to increase the kinetic energy of ejected photoelectrons, the...
Kinetic energy = hv -hv not ''';so frequency increases so Kinetic energy increases
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Community Answer
In order to increase the kinetic energy of ejected photoelectrons, the...
Relation between kinetic energy and frequency is K.E+ϕ=hν.
Here h is planck's constant, ϕ=constant (Work function)
According to the above equation of photoelectric effect, as we increase frequency of photon, kinetic energy of photoelectron increases. Because the frequency of incident light is directly proportional to kinetic energy.
Hence option C is correct.
 
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In order to increase the kinetic energy of ejected photoelectrons, there should be an increase ina)wavelength of radiationb)intensity of radiationc)frequency of radiationd)Both the wavelength and intensity of radiationCorrect answer is option 'C'. Can you explain this answer?
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