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प्रश्न
Write the approximate value of the speed of sound in air.
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उत्तर
The speed of sound in air = 340 ms−1
संबंधित प्रश्न
How is the frequency of a stretched string related it’s tension?
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What is a stethoscope ? Name the principle on which a stethoscope works.
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What is meant by echo depth sounding?
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