Which of the following statements is true about the photoelectric effect?

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Question: Which of the following statements is true about the photoelectric effect?

Options:

Correct Answer: It requires a minimum frequency of light

Solution:

The photoelectric effect requires a minimum frequency of light known as the threshold frequency.

Which of the following statements is true about the photoelectric effect?

Which of the following statements is true about the photoelectric effect?

Step 1: Understand that the photoelectric effect is a phenomenon where light can cause electrons to be emitted from a material.
Step 2: Learn that not all light can cause this effect; only light with a certain minimum frequency can do so.
Step 3: This minimum frequency is called the threshold frequency.
Step 4: If the frequency of the light is below this threshold, no electrons will be emitted, regardless of the light's intensity.
Step 5: If the frequency is above the threshold, electrons will be emitted, and their energy will depend on the frequency of the light.

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