1.

Which of the following statements is/are true of sound in different media at 25 °C?A. In Aluminium, speed of sound is 6420 m/sB. In Nickel, speed of sound is 6240 m/s

A. Only A is true
B. Neither A nor B is true
C. A and B both are true
D. Only B is true
Answer» B. Neither A nor B is true


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