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प्रश्न
Fill in the blanks with suitable words.
A sound wave consists of places of higher pressure called ................. and places of................pressure called.................
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उत्तर
A sound wave consists of places of higher pressure called compressions and places of lower pressure called rarefactions.
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संबंधित प्रश्न
What is the audible range of the average human ear?
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(iii) 10,000 Hz
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