In a Photoelectric Effect Experiment No Electrons Are Ejected If

question 26

Multiple Choice

In a photoelectric effect experiment no electrons are ejected if the frequency of the incident light is less than A/h, where h is the Planck constant and A is:

• A)the maximum energy needed to eject the least energetic electron
• B)the minimum energy needed to eject the least energetic electron
• C)the maximum energy needed to eject the most energetic electron
• D)the minimum energy needed to eject the most energetic electron
• E)the intensity of the incident light

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