RRB Group D 22-Oct-2018 Shift 2 Solved Paper
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Question : 14 of 100
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Which of the following statements is/are true about the speed of sound in different media at 25°C
A. In steel, the speed of sound is 5960 m/s
B. In nickel, speed of sound is 6240 m/s
A. In steel, the speed of sound is 5960 m/s
B. In nickel, speed of sound is 6240 m/s
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