In a flute, sound is produced due to

When a piezoeletric crystal is deformed by mechanical stress ………. is produced due to the displacement of ions.

Dup' sound is produced during closure of

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when

White-bud condition in maize is produced due to the deficiency of

Explain how sound is produced by your school bell.