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If the photoelectric effect is observed, what can be inferred about the incident
If the photoelectric effect is observed, what can be inferred about the incident light?
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Practice Questions
1 question
Q1
If the photoelectric effect is observed, what can be inferred about the incident light?
It has a frequency below the threshold
It has a frequency equal to the threshold
It has a frequency above the threshold
It has any frequency
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The photoelectric effect occurs only when the frequency of the incident light is above the threshold frequency.
Questions & Step-by-step Solutions
1 item
Q
Q: If the photoelectric effect is observed, what can be inferred about the incident light?
Solution:
The photoelectric effect occurs only when the frequency of the incident light is above the threshold frequency.
Steps: 4
Show Steps
Step 1: Understand what the photoelectric effect is. It is when light hits a material and causes it to emit electrons.
Step 2: Know that not all light can cause the photoelectric effect. Only light with a certain frequency can do this.
Step 3: Identify the threshold frequency. This is the minimum frequency of light needed to cause the photoelectric effect.
Step 4: Conclude that if the photoelectric effect is observed, the incident light must have a frequency that is higher than the threshold frequency.
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