Q

At 25°C: A. Sound speed in seawater is 1531 m/s. B. Sound speed in air is 346 km/s. Which is true?

RRB Group-D 12/10/2018 (Shift-II) 2018
✓ Answer: C Only A
The source's air value is 346 m/s, not 346 km/s.
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