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Q: Which of the following is / are true regarding speed of sound in different mediums at 25 ° C? A. In aluminium, the speed of sound is 6220m/s. B. In nickel, the speed of sound is 6040 m / s.
  • A. Both A and B are true
  • B. Neither A nor B is true.
  • C. Only B is true.
  • D. Only A is true.
Correct Answer: Option C - Speed of sound is 6420 m / s in Aluminium. The speed of sound in Nickel is 6040 m / s. Hence only B is true.
C. Speed of sound is 6420 m / s in Aluminium. The speed of sound in Nickel is 6040 m / s. Hence only B is true.

Explanations:

Speed of sound is 6420 m / s in Aluminium. The speed of sound in Nickel is 6040 m / s. Hence only B is true.