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Dual Nature of Radiation and Matter — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter3 Marks
Question
In a plot of photoelectric current versus anode potential, how does?

  1. The saturation current vary with anode potential for incident radiations of different frequencies but same intensity?
  2. The stopping potential vary for incident radiations of different intensities but same frequency?
  3. Photoelectric current vary for different intensities but same frequency of incident radiations?

Justify your answer in each case.

✓

Answer

  1. Saturation current does not change.

  1. stopping potential does not change.

  1. Photoelectric current increases with increase in intensity.

 

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