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Questions and Answers
What is a key difference between electromagnetic waves and mechanical waves?
What is a key difference between electromagnetic waves and mechanical waves?
- Electromagnetic waves do not have an electric or magnetic field, while mechanical waves do.
- Electromagnetic waves can only travel through a vacuum, while mechanical waves require a medium. (correct)
- Electromagnetic waves are a form of energy, while mechanical waves are not.
- Electromagnetic waves cannot transmit energy, while mechanical waves can.
What is the relationship between the frequency and wavelength of visible light?
What is the relationship between the frequency and wavelength of visible light?
- Frequency and wavelength are directly proportional for visible light.
- As frequency increases, wavelength decreases. (correct)
- As frequency increases, wavelength increases.
- Frequency and wavelength are unrelated for visible light.
Which color of visible light has the highest frequency?
Which color of visible light has the highest frequency?
- Green
- Red
- Violet (correct)
- Orange
What is the relationship between the energy of visible light and its wavelength?
What is the relationship between the energy of visible light and its wavelength?
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How is the amplitude of a light wave related to its color?
How is the amplitude of a light wave related to its color?
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What is the frequency range of the visible spectrum of light?
What is the frequency range of the visible spectrum of light?
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