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प्रश्न
Fill in the blank with suitable word :
Quality of sound depends on ........................
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उत्तर
Quality of sound depends on waveform.
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संबंधित प्रश्न
A submarine emits a sonar pulse, which returns from an underwater cliff in 1.02 s. If the speed of sound in salt water is 1531 m/s, how far away is the cliff?
Explain the working and application of a sonar.
Fill in the blank with suitable word .
Sound waves are caused by ...................
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
What happens to the loudness of a sound if its amplitude decreases ?
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
Explain how, bats use ultrasound to catch the prey.
Which of the two produces ultrasonic waves : porpoise or whale ?
What is sonar ? Explain its use.
The ultrasound waves can penetrate into matter to a large extent because they have :
