Advertisements
Advertisements
प्रश्न
What do you mean by the frequency of sound?
उत्तर
The frequency of sound is defined as the number of vibrations produced by the sound-producing object per second.
APPEARS IN
संबंधित प्रश्न
What are wavelength, frequency, time period and amplitude of a sound wave?
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
What is the audible range of frequency for human?
A cannon is fired at A (see diagram). An observer at B hears two sounds. The first sound is heard after 1 second and the second 3s after the observer sees the flash. (Velocity of sound = 340 ms−1)
(i) Why does the observer see the flash before he hears the sound?
(ii) Calculate the distance x between the observer and the wall.
Select the correct option:
If the frequency of a wave is 25 Hz. the total number of compressions and rarefactions passing through a point in 1 second is :
Sound waves travel very fast in
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 |
The elastic property of medium is a factor of ______ medium.
Find the odd one out.
