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Class 12PhysicsDual Nature of Radiation and matterPhotoelectric Effect by Lenard and it's Observations
Easy

The electrons are emitted in the photoelectric effect from a metal surface:

  • A
    Only if the frequency of the incident radiation is above a certain threshold value
  • B
    Only if the temperature of the surface is high
  • C
    At a rate that is independent of the nature of the metal
  • D
    With a maximum velocity proportional to the frequency of the incident radiation
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Class 12 Questions

Class 12

Physics Questions

Chapter

Dual Nature of Radiation and matter

Subtopic

Photoelectric Effect by Lenard and it's Observations

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