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प्रश्न
Explain how, bats use ultrasound to catch the prey.
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उत्तर
Bats emit ultrasonic squeaks while flying and listen to the echoes produced by the reflection of their squeaks from their prey. From the time taken by the echo to be heard, bats can judge the distance of the prey in their path and catch them.
संबंधित प्रश्न
Explain how bats use ultrasound to catch a prey.
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 ?
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Explain the term 'pitch' of a sound. On what factor does the 'pitch' of a sound depend ?
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?
Give one use of ultrasound in industry and one in hospitals.
What is the range of frequencies associated with (a) infrasound (b) audible sound, and (c) ultrasound ?
What type of waves are generated by SONAR device fixed to a fishing ship ?
The depth of an ocean can be determined by ______.
