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MODERN PUBLICATION-SOUND-EXERCISE
- Sound waves cannot travel through .
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- Speed greater than the speed of is known as supersonic speed.
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- Temperature has no effect on speed of sound in air. (T or F)
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- Sound is produced by a ............. body.
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- The frequency of a source on sound is 256 Hz. It vibrates times in a ...
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- Frequency of infrasonic waves > Frequency of ultrasound waves. (T or F...
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- Give two examples in which a vibrating object produces sound.
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- What is supersonic speed?
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- Define frequency.
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- Define intensity.
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- Define quality.
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- Make a list of different types of musical instruments and find the par...
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- Name two sound waves inaudiable to human beings. Give their range of f...
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- SONAR stands for
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- Can we get echo in a small room?
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- Name the phenomenon responsible for rolling of thunder.
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- The good directional property of ultrasound waves are used for .
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- Due to the high power of ultrasound waves, it is used for breaking and...
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- The multiple reflection of sound in a hall is called
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- What are laws of reflection of sound ? Give three applications of refl...
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