Advertisements
Advertisements
प्रश्न
What is the nature of sound waves in air?
Advertisements
उत्तर
The sound waves in air are longitudinal waves because medium particles vibrate in the direction of propagation of the wave.
APPEARS IN
संबंधित प्रश्न
What are ultrasonics? Can you hear the ultrasonic sound?
What are infrasonics? Can you hear them?
What are wavelength, frequency, time period and amplitude of a sound wave?
A stone is dropped on the surface of water in a pond. Name the type of waves produced.
What causes sound?
State the speed of (i) light and (ii) sound in air?
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 |
Draw a curve showing density or pressure variations with respect to distance for a disturbance produced by sound. Mark the position of compression and rarefaction on this curve. Also, define wavelengths and time periods using this curve.
Longitudinal waves are produced in solids liquids and also in gases.
