A. 400 ms‾¹
B. 4,000 ms‾¹
C. 8,000 ms‾¹
D. 160,000 ms‾¹
Correct Answer:
Option A – 400 ms‾¹
The velocity of sound in air at 16°C is 340ms‾¹. What will it be when the pressure is doubled and its temperature raised to 127°C?
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