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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?
Give two practical applications of reflection of sound waves.
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.
How does the pitch of a sound depend on frequency ?
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).
Fill in the blank with suitable word :
Quality of sound depends on ........................
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
How is it that bats are able to fly at night without colliding with other objects ?
Define the following terms : (a) Echolocation (b) Echocardiography, and (c) Ultrasonography.
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).
