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प्रश्न
Draw a displacement-distance graph of a wave and mark on it, the amplitude of wave by the letter 'a' and wavelength of wave by the letter λ.
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उत्तर
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संबंधित प्रश्न
What are wavelength, frequency, time period and amplitude of a sound wave?
Distinguish between loudness and intensity of sound.
List four substances which are good absorbers of sound.
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
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Arrange the speed of sound in gases Vg, solids Vs and liquids VLin an ascending order.
What do you understand by the term sound energy?
Number of vibrations produced in one second is ______.
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| 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. |
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