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प्रश्न
Name the three characteristics of sound.
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उत्तर
The three characteristics of sound are
(a) loudness,
(b) pitch, and
(c) timbre or quality.
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संबंधित प्रश्न
Name the unit used to measure the loudness of sound. Also write its symbol.
What is the name of the device which is used to find the depth of sea (or ocean) by using ultrasonic sound waves ?
Write the full name of 'SONAR'.
What happens to the loudness of a sound if its amplitude decreases ?
What is meant by the 'loudness' of sound ? On what factor does the loudness of a sound depend ?
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.
Explain how, bats use ultrasound to catch the prey.
Which of the two produces ultrasonic waves : porpoise or whale ?
What type of waves are generated by SONAR device fixed to a fishing ship ?
