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Questions and Answers
Which of the following is true about the electromagnetic spectrum?
Which of the following is true about the electromagnetic spectrum?
- It covers a range of frequencies from one hertz to thousands of kilometers
- It covers a range of frequencies from one hertz to 1025 hertz
- It covers a range of frequencies from below one hertz to above 1025 hertz (correct)
- It covers a range of frequencies from thousands of kilometers down to a fraction of the size of an atomic nucleus
Which of the following is the correct order of the electromagnetic waves in terms of increasing frequency?
Which of the following is the correct order of the electromagnetic waves in terms of increasing frequency?
- Visible light, microwaves, radio waves, X-rays
- X-rays, visible light, microwaves, radio waves
- Microwaves, radio waves, visible light, X-rays
- Radio waves, microwaves, visible light, X-rays (correct)
Which of the following statements about the electromagnetic waves is true?
Which of the following statements about the electromagnetic waves is true?
- They have the same practical applications
- They have different characteristics in each frequency band (correct)
- They have the same characteristics in each frequency band
- They are all called by the same name
What is the name for the electromagnetic waves at the high-frequency end of the spectrum?
What is the name for the electromagnetic waves at the high-frequency end of the spectrum?
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Is there a known limit for long and short wavelengths in the electromagnetic spectrum?
Is there a known limit for long and short wavelengths in the electromagnetic spectrum?
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