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State the differences between ultrasonic sound and infrasonic sound?
What are vibrating parts of Veena and Tabla?
Discuss the importance of sound in our life.
How sound is produced from a guitar?
Define frequency.
What are the methods to control noise pollution?
Vibrating objects produces sound; can we see the vibrations all the time?
How does sound travel from one place to another?
Name some musical instrument which are simply beaten or struck to produce melodious music.
Touch the bell when it stops producing sound.
(i) Can you feel the vibrations?
(ii) What do you understand by this?
What are vibrating parts of Flute?