Advertisements
Advertisements
प्रश्न
Select the correct option:
In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:
विकल्प
pressure
mass
density
volume
उत्तर
mass
APPEARS IN
संबंधित प्रश्न
Select the correct alternative :
We can hear sound of frequency
State the factors on which the pitch of a sound depends.
We can distinguish between the musical sounds produced by different singers on the basis of the characteristic of sound called :
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
Select the correct option:
The longitudinal waves can propagate only in
Select the correct option:
Which of the following is an elastic wave?
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the wave velocity.
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 ______.
A list of mediums is given below
- Wood
- Water
- Air
- Vacuum
In which of these mediums can sound travel?
