Question: What happens to the photoelectric effect if the incident light is below the threshold frequency?
Options:
Electrons are emitted
No electrons are emitted
Electrons are emitted with low energy
Electrons are emitted with high energy
Correct Answer: No electrons are emitted
Solution:
If the incident light is below the threshold frequency, no electrons are emitted.
What happens to the photoelectric effect if the incident light is below the thre
Practice Questions
Q1
What happens to the photoelectric effect if the incident light is below the threshold frequency?
Electrons are emitted
No electrons are emitted
Electrons are emitted with low energy
Electrons are emitted with high energy
Questions & Step-by-Step Solutions
What happens to the photoelectric effect if the incident light is below the threshold frequency?
Step 1: Understand the photoelectric effect. This is when light hits a material and causes it to release electrons.
Step 2: Know what threshold frequency means. This is the minimum frequency of light needed to release electrons from the material.
Step 3: Identify the incident light. This is the light that is shining on the material.
Step 4: Compare the frequency of the incident light to the threshold frequency. If the incident light's frequency is lower than the threshold frequency, it cannot release electrons.
Step 5: Conclude that if the incident light is below the threshold frequency, no electrons will be emitted from the material.
Photoelectric Effect – The phenomenon where electrons are emitted from a material when it is exposed to light of sufficient frequency.
Threshold Frequency – The minimum frequency of incident light required to emit electrons from a material.
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