Q

At 25°C: A. Sound speed in steel is 5960 km/s. B. Sound speed in nickel is 6040 m/s. Which is true?

RRB Group-D 22/10/2018 (Shift-III); 22/10/2018 (Shift-II) 2018
✓ Answer: A Only B
Steel's tabulated speed is 5960 m/s, not km/s; the nickel statement matches the table.
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