Q

At 25°C: A. Sound speed in seawater is 1531 m/s. B. Sound speed in ethanol is 1200 km/s. Which is correct?

RRB Group-D 05/11/2018 (Shift-II) 2018
✓ Answer: A Only A
The seawater value matches the source table. Ethanol's speed is approximately 1207 m/s, not 1200 km/s.
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