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प्रश्न
The speed of sound in air at 0°C is nearly :
विकल्प
1450 m s-1
450 m s-1
5100 m s-1
330 m s-1
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उत्तर
The speed of sound in air at 0°C is nearly : 330 m s-1
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संबंधित प्रश्न
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