Which of the following vibrates when a musical note is produced by the cymbals in an orchestra?

Voice of which of the following is likely to have the minimum frequency?

Sound can travel through:

A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through:

Which of the following sound frequencies can be heard by a woman having a normal hearing range?

A) 25000 Hz

B) 15kHz

C) 40000 Hz

D) 25Hz