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Questions and Answers
What type of wave is sound?
What type of wave is sound?
- Surface wave
- Longitudinal wave (correct)
- Transverse wave
- Mechanical wave
In which type of material does sound travel faster?
In which type of material does sound travel faster?
- Water
- Metal (correct)
- Rubber
- Air
What happens at interfaces between media with different acoustic impedances?
What happens at interfaces between media with different acoustic impedances?
- Sound is absorbed
- Sound is refracted
- Sound is diffracted
- Sound is reflected back as an echo (correct)
What determines the amount of sound wave reflected at an interface?
What determines the amount of sound wave reflected at an interface?
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In which type of interface is a lot of the ultrasound wave reflected?
In which type of interface is a lot of the ultrasound wave reflected?
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