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Q: What is the speed of sound in air?
  • A. 373 m/sec
  • B. 434 m/sec
  • C. 343 m/sec
  • D. 383 m/sec
Correct Answer: Option C - The speed of sound in air under typical conditions is about 343 meters per second. The speed of sound varies depending on the temperature of the air through which the sound moves.
C. The speed of sound in air under typical conditions is about 343 meters per second. The speed of sound varies depending on the temperature of the air through which the sound moves.

Explanations:

The speed of sound in air under typical conditions is about 343 meters per second. The speed of sound varies depending on the temperature of the air through which the sound moves.