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प्रश्न
How does sound travel in air?
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उत्तर
Sound travels in air as a longitudinal wave through the vibration of air molecules. When a sound source vibrates, it creates compressions (high pressure) and rarefactions (low pressure) that propagate through the air. These pressure variations transfer sound energy from one molecule to another, allowing the wave to travel. The sound reaches our ears, causing the eardrum to vibrate, which is then processed by the brain as sound. Since sound needs a medium, it cannot travel in a vacuum.
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संबंधित प्रश्न
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(c) the quality of the note.
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(b) a soft note
(c) a shrill note.
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- pitch?
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(i) Which of the above diagrams shows the fundamental note?
(ii) Which has the frequency 4 times that of the fundamental?
(iii) State the ratio between the frequency of the first and second.
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(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
