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

The photoelectric threshold wavelength of a certain metal is $3000 \mathring{A}$. If the radiation of $2000 \mathring{A}$ is incident on the metal,then:

  • A
    Electrons will be emitted
  • B
    Positrons will be emitted
  • C
    Protons will be emitted
  • D
    Electrons will not be emitted
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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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