Exam-style question
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What is the relationship between the intensity of light and the number of emitted electrons in the photoelectric effect?.
- A.Intensity affects the energy of emitted electrons
- B.Intensity affects the number of emitted electrons
- C.Intensity has no effect on emitted electrons
- D.Intensity affects the threshold frequency
Model answer
What a good answer should say
- Intensity affects the number of emitted electrons
Explanation
Why this works
In the photoelectric effect, increasing the intensity of light increases the number of photons hitting the surface, which can lead to more emitted electrons, provided the frequency is above the threshold.
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