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प्रश्न
Name an animal which navigates and finds food by ecolocation.
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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.
Fill in the blank with suitable word .
Sound waves are caused by ...................
Name the three characteristics of sound.
Name the characteristic of sound which depends on (a) amplitude (b) frequency, and (c) waveform.
Write the full name of 'SONAR'.
Fill in the blank with suitable word :
Loudness of sound depends on .....................
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Explain why, if we strike a table lightly, we hear a soft sound but if we hit the table hard, a loud sound is heard.
What type of waves are generated by SONAR device fixed to a fishing ship ?
Expand the abbreviation of the term SONAR.
