Advertisements
Advertisements
Question
What is the SI unit of frequency?
Solution
The SI unit of frequency is hertz (Hz).
APPEARS IN
RELATED QUESTIONS
Describe an experiment to show that each source of sound is a vibrating body.
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
Can sound travel through vacuum?
If 20 waves are produced per second, What is the frequency is hertz?
A device called oscillator is used to send waves along a stretched string. The string is 20 cm long, and four complete waves fit along its length when the oscillator vibrates 30 times per second. For the waves on the strings.
(a) what is their wavelength?
(b) what is their frequency
(c) what is their speed?
A sound producing body is at considerable distance from a man. There can be four different media W, X, Y and Z between the sound producing body and the man. The medium X brings the sound to man most quickly whereas medium Z takes the maximum time. The time taken by medium W in bringing sound to man is less than that of X but more than that of Z. The medium Y, however, fails to bring the sound from the sound producing body to the man. Which medium could be the one :
(a) having on fixed shape and no fixed volume?
(b) having a fixed volume but no fixed shape?
(c) having the same composition as that on the moon?
(d) having a fixed shape and a fixed volume?
Medium is ______ for generation of sound.
Sound is produced by ______.
The vibrations of a simple pendulum are also known as _______.
Infrasound can be heard by