Q

At 25°C: A. Sound speed in seawater is 1531 km/s. B. Sound speed in distilled water is 1498 km/s. Which is correct?

RRB Group-D 23/10/2018 (Shift-II) 2018
✓ Answer: A Neither A nor B
Both statements use incorrect units. The source values are in m/s, not km/s.
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