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प्रश्न
Fill in the blank with suitable word :
Loudness of sound depends on .....................
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उत्तर
Loudness of sound depends on amplitude.
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संबंधित प्रश्न
Explain how defects in a metal block can be detected using ultrasound.
Name the three characteristics of sound.
Name the unit used to measure the loudness of sound. Also write its symbol.
How is an ultrasound scan for fetus (unborn baby) better than X-ray ?
What happens to the pitch of a sound if its frequency increases ?
Explain the term 'pitch' of a sound. On what factor does the 'pitch' of a sound depend ?
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.
Name an animal which navigates and finds food by ecolocation.
What is sonar ? Explain its use.
The ultrasound waves can penetrate into matter to a large extent because they have :
