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Q: Which of the following statements are true / false about the speed of sound in different mediums at 25⁰C? A. In water (sea), the speed of sound is 1531 m / s. B. In air, the speed of sound is 346 km / s.
  • A. Both A and B are true.
  • B. Neither A nor B are true.
  • C. Only A is true.
  • D. Only B is true.
Correct Answer: Option C - The speed of sound in water (sea) is 1531 ms⁻¹at 25⁰C and in air 346 ms⁻¹ at 25⁰C. Hence only A is true.
C. The speed of sound in water (sea) is 1531 ms⁻¹at 25⁰C and in air 346 ms⁻¹ at 25⁰C. Hence only A is true.

Explanations:

The speed of sound in water (sea) is 1531 ms⁻¹at 25⁰C and in air 346 ms⁻¹ at 25⁰C. Hence only A is true.