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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
Explain how bats use ultrasound to catch a prey.
Explain the working and application of a sonar.
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.
Fill in the blank with suitable word .
Sound waves are caused by ...................
How does the pitch of a sound depend on frequency ?
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 ?
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Name an animal which navigates and finds food by ecolocation.
