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Questions and Answers
Which unit is used to measure sound intensity?
Which unit is used to measure sound intensity?
- Volt
- Watt
- Hertz
- Decibel (correct)
What are the different mediums that sound can travel through?
What are the different mediums that sound can travel through?
- Solids only
- Air, liquids, and solids (correct)
- Air only
- Liquids only
Which animals use sounds to communicate underwater?
Which animals use sounds to communicate underwater?
- Whales (correct)
- Dolphins
- Cats
- Birds
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Study Notes
Sound Measurement and Propagation
- Sound intensity is measured in decibels (dB).
Mediums of Sound Propagation
- Sound can travel through various mediums, including:
- Solid objects (e.g., metals, wood, ground)
- Liquids (e.g., water, air)
- Gases (e.g., air, helium)
Underwater Communication in Animals
- Some animals use sounds to communicate underwater, such as:
- Whales
- Dolphins
- Fish
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