Q126
Which of the following statements is true / false about the speed of sound in different mediums at 25°C? A. In helium gas, the speed of sound is 965 km/s. B. In hydrogen gas, the speed of sound is 1284 m/s.
A.
Neither A nor B is true
B.
Only B is true
AnswerC.
Only A is true
D.
Both A and B are true
Answer: Option B
Solution
Answer: Option B
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