Sound is produced by _____.

Sound is a form of _________ and produced by ___________ .

How do you appreciate efforts of a musician to produce melodious sound using a musical instrument by simultaneously controlling frequency and amplitude of the sounds produced by it. (AS_6)

……………… is a medical instrument used for listening to sounds produced in the body.

Do the frequency of sound produced by Men and Women are same?

What is the name of the sound produced by irregular vibrations?

Suppose you and your friend are on the Moon. Will you be able to hear any sound produced by your friend?

Gently strike a hanging bell (temple bell) and try to listen to the sound produced by it with a stethoscope keeping it both at bottom portion and top portion of the bell. Is the pitch and loudness of the sound same at the two portions ? Why ?

(I) Repetition of sound produced by the reflection of sound waves from a wall is echo. (II) In a closed room, the sound is repeatedly reflected from the walls and it is heard even after the sound source is ceased, it is called reverberation? Which one is correct?