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प्रश्न
The amplitude of the sound wave decides its
विकल्प
speed
pitch
loudness
frequency
MCQ
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उत्तर
Loudness
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संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
What do you mean by wave-velocity?
Can sound waves pass through vacuum?
What is the wavelength of sound waves produced in air by a vibrating tuning fork whose frequency is 256 Hz when the velocity of sound in air is 330 ms-1?
What do you mean by the term frequency of a wave? State its S.I. unit.
A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave?
Select the correct option:
In the region of compression or rarefaction, in a longitudinal wave, the physical quantity which does not change is:
On placing your ear close to an iron railing which is tapped some distance away, sound is heard twice. Explain, why?
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. |
Describe with diagram, how compressions and rarefactions are produced.
