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प्रश्न
Name an animal which navigates and finds food by ecolocation.
उत्तर
Bats navigate and find their food by echolocation. They produce echoes by their ultrasonic squeaks.
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संबंधित प्रश्न
Give two practical applications of reflection of sound waves.
Explain how bats use ultrasound to catch a prey.
Explain how defects in a metal block can be detected using ultrasound.
Fill in the blank with suitable word .
Sound waves are caused by ...................
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Fill in the blank with suitable word :
Loudness of sound depends on .....................
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
Explain how, flaws (or defects) in a metal block can be detected by using ultrasound.
In SONAR we use:
What type of waves are generated by SONAR device fixed to a fishing ship ?
