Advertisements
Advertisements
Question
How does the frequency of sound given by a stretched string depend on its
- length,
- tension?
Solution
- The frequency of sound is inversely proportional to the length of the string.
`"f" prop 1/l` - The frequency of sound is directly proportional to the square root of the tension in the string.
`"f" prop sqrt ("T")`
APPEARS IN
RELATED QUESTIONS
Which wave property determines (a) loudness, (b) pitch?
How are the wavelength and frequency of a sound wave related to its speed?
What do you mean by a vibratory motion?
How does a bat make use of ultrasonics waves to find its way?
Name the type of waves produced when a tuning fork is struck in air.
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
An observer A fires a gun and another observer B at a distance 1650 m away from A hears its sound. If the speed of sound is 330 m s-1, find the time when B will hear the sound after firing by A.
Give a scientific reason.
If you were both on the moon, your friend will not be able to hear you call.
How do the following factor affect the speed of sound in air?
Temperature of air
Rapid back and forth motion of a particle about its mean position is called _____.