How can the pitch of sound produced in a piano be changed ?

How is sound produced ?

The pitch of sound does not depend upon :

Lub sound produced by heart is caused by

How does a musician playing on a flute change the pitch of sound produced by it?

How can you relate pitch and frequency?

The second heart sound is produced

Statement-1: The change in pitch of sound depends on speed of source and detector relative to each other and not on the distance between them. Statement-2: The pitch of sound depends on intensity of sound which is independent of distance between source and detector.

How does the sound produced by a vibrating object in a medium reach your ear ?

How can the spherical aberration produced by a lens be minimised ?

The first heart sound is produced when