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प्रश्न
What is the speed of sound :
(a) in air?
(b) in water?
(c) in iron?
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उत्तर
Speed of sound in
(a) air is 344 m/s,
(b) water is 1,500 m/s, and
(c) iron is 5,130 m/s.
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संबंधित प्रश्न
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