Advertisements
Advertisements
प्रश्न
How do the following factor affect the speed of sound in air?
Temperature of air
Advertisements
उत्तर
The speed of sound increases with the increase in temperature of the gas.
APPEARS IN
संबंधित प्रश्न
Distinguish between loudness and intensity of sound.
The bees do not have voice-boxes. How do they produce sound ?
On what factor does the loudness of a sound depend ?
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
Select the correct option:
In case of longitudinal waves, the particles of the medium vibrate:
Select the correct option:
The longitudinal waves can propagate only in
Select the correct option:
In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:
Sound travels in air:
Match the following.
| 1. | Tuning fork | The point where density of air is maximum |
| 2. | Sound | Maximum displacement from the equilibrium position. |
| 3. | Compressions | The sound whose frequency is greater than 20,000 Hz. |
| 4. | Amplitude | Longitudinal wave. |
| 5. | Ultasonics | Production of sound. |
Which of the following statements are correct?
- Sound is produced by vibrations.
- Sound requires a medium for propagation.
- Light and sound both require a medium for propagation.
- Sound travels slower than light.
