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Course: Class 12 Physics (India) > Unit 11

Lesson 2: The Photon Picture
Science
Class 12 Physics (India)
Dual nature of radiation and matter
The Photon Picture
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Predictions of the photon picture (PPP)

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Problem

Satrajit performs a photoelectric effect experiment. He places a detector in the path of the electrons. He then observes that the signal is too strong for the detector to process properly (too many electrons per second).
Choose the combination that achieves the following:
  • Decrease in the number of electrons emitted per second.
  • No change in the speed of electrons.
Choose 2 answers: