Advertisements
Advertisements
प्रश्न
Which wave property determines (a) loudness, (b) pitch?
Advertisements
उत्तर
(a) Amplitude (b) Frequency
(a) The loudness of a sound depends on its amplitude. If the amplitude of a sound is large, then the sound produced will also be loud.
(b) The pitch of a sound depends on its frequency. A sound will be considered a high pitched sound, if its frequency is high.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
The frequency is measured in hertz.
Write true or false for a given statement.
Loudness depends on frequency.
Distinguish between longitudinal and transverse waves.
What is musical sound? Give an example.
Can we produce sound in vacuum?
How do the following factor affect the speed of sound in air?
Pressure 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 |
Describe with diagram, how compressions and rarefactions are produced.
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.
Unwanted sounds are called ______.
