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प्रश्न
Fill in the blank with suitable word :
Quality of sound depends on ........................
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?
A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its frequency is 512 vibrations/sec.
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 ?
Write the full name of 'SONAR'.
What happens to the loudness of a sound if its amplitude decreases ?
Explain why, if we strike a table lightly, we hear a soft sound but if we hit the table hard, a loud sound is heard.
How is it that bats are able to fly at night without colliding with other objects ?
Write any three applications (or uses) of ultrasound.
What is sonar ? Explain its use.
