Advertisements
Advertisements
Question
How does the frequency of sound given by a stretched string depend on its
- length,
- tension?
Short Answer
Advertisements
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")`
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
How do we produce sound ?
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
What is the difference between a compression and a rarefaction in a sound wave? Illustrate your answer with a sketch.
A boy fires a gun and hears the echo 2 seconds later. If he is 480 m away from a wall, calculate the velocity of sound in air.
The diagram given below shows a displacement distance graph of a wave. If the velocity of wave is 160 ms-1, calculate:
- wavelength
- frequency
- amplitude.

How do the following factor affect the speed of sound in air?
Pressure in air.
Explain how the principle of echo is used by
The bat during its flight at night
Match the following.
| Ultrasonics | Frequency below 20Hz |
| Speed of sound in air | Needs material medium |
| Infrasonics | 330ms-1 |
| Sound propagation | Frequency more than 20000 Hz |
Vibration of object produces ______.
Note is a sound
