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प्रश्न
Fill in the blank with suitable word :
Pitch of sound depends on ....................
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उत्तर
Pitch of sound depends on frequency.
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संबंधित प्रश्न
Give two practical applications of reflection of sound waves.
Explain how defects in a metal block can be detected using ultrasound.
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.
Explain how, flaws (or defects) in a metal block can be detected by using ultrasound.
Name an animal which navigates and finds food by ecolocation.
The ultrasound waves can penetrate into matter to a large extent because they have :
What type of waves are generated by SONAR device fixed to a fishing ship ?
Fill in the blank and explain.
To discover a sunken ship or objects deep inside the sea, ______ technology is used.
