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प्रश्न
What is sound? What type of waves are sound wave in air?
थोडक्यात उत्तर
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उत्तर
Sound is a form of energy that makes us to hear. Sound waves are longitudinal waves in air.
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संबंधित प्रश्न
Write true or false for a given statement.
Waveforms of two different stringed instruments can be the same.
Why are musical instruments provided with more than one string ?
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
Distinguish between compression and rarefaction.
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 is the sound level for noise pollution?
Select the correct option:
A part of the longitudinal wave in which particles of the medium are closer than the normal particles is called:
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. |
Mention two cases in which there is no Doppler effect in sound?
Why is a sound wave called a longitudinal wave?
