Last seen: Jan 25, 2021
Frequency = Frequency = = 500 Hz
The sound produced due to a mixture of several frequencies is called a note, it is pleasant to listen to.
The speed of sound is defined as the distance travelled per unit time by compression or rarefaction.
Hz is the unit of frequency, called as Hertz. One Hertz is equal to one cycle per second.
The audible range of frequencies for human beings is 20 Hz to 20,000 Hz.
The quality or timber of sound helps us to distinguish one sound from another having the same pitch and loudness.
The way our brain interprets the frequency of an emitted sound is called the pitch.
The sound of whistle has higher pitch.
Sound travels fastest in steel.
v = 1/T Frequency is inversely proportional to time period.
Sound wave is longitudinal in nature.
(d) Cochlea
(a) ultrasound
(b) 25 kHz
(d) all of these
(d) temperature and pressure of medium
(c) high frequency