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In the photoelectric effect, what does the work function represent?
In the photoelectric effect, what does the work function represent?
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Practice Questions
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Q1
In the photoelectric effect, what does the work function represent?
The energy of the incident photons
The maximum kinetic energy of emitted electrons
The minimum energy required to remove an electron from the metal
The frequency of the incident light
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The work function is the minimum energy required to remove an electron from the surface of the metal.
Questions & Step-by-step Solutions
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Q
Q: In the photoelectric effect, what does the work function represent?
Solution:
The work function is the minimum energy required to remove an electron from the surface of the metal.
Steps: 5
Show Steps
Step 1: Understand that the photoelectric effect involves light hitting a metal surface.
Step 2: Know that when light hits the metal, it can cause electrons to be released.
Step 3: Realize that not just any amount of energy can remove an electron; there is a minimum amount needed.
Step 4: This minimum energy is called the 'work function'.
Step 5: The work function is specific to each type of metal.
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