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प्रश्न
Fill in the blank with suitable word :
Loudness of sound depends on .....................
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उत्तर
Loudness of sound depends on amplitude.
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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?
How is ultrasound used for cleaning?
A sonar device on a submarine sends out a signal and receives an echo 5 s later. Calculate the speed of sound in water if the distance of the object from the submarine is 3625 m.
Explain how defects in a metal block can be detected using ultrasound.
Name the characteristic of sound which can distinguish between the 'notes' (musical sounds) played on a flute and a sitar (both the notes having the same pitch and loudness).
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 name is given to sound waves of frequencies higher than 20 kHz ?
Which of the two produces ultrasonic waves : porpoise or whale ?
A sonar station picks up a return signal after 3 seconds. How far away is the object ? (Speed of sound in water = 1440 m/s).
