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Questions and Answers
What does a decibel measure?
What does a decibel measure?
- The speed of a sound
- The relative intensity of a sound (correct)
- The frequency of a sound
- The amplitude of a sound
What is true about the relationship between light and sound travel?
What is true about the relationship between light and sound travel?
- Both light and sound require a medium to travel
- Light requires a medium, but sound does not
- Sound requires a medium, but light does not (correct)
- Neither light nor sound require a medium
What type of wave is light?
What type of wave is light?
- Longitudinal wave
- Mechanical wave
- Electromagnetic wave
- Transverse wave (correct)
What is the primary form of energy from the sun that reaches Earth's surface?
What is the primary form of energy from the sun that reaches Earth's surface?
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What is the definition of frequency?
What is the definition of frequency?
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