Q
At 25°C: A. Sound speed in steel is 5960 m/s. B. Sound speed in nickel is 6240 m/s. Which is correct according to the source table?
RRB Group-D
22/10/2018 (Shift-I)
2018
✓ Answer:
A
Only A
The table lists steel at 5960 m/s and nickel at 6040 m/s, so only A matches.