Multiple choice general knowledge science & technology

What is the speed of sound in air in meters per second (at a pressure of one atmosphere and temperature of 25oC)?

  1. 110

  2. 230

  3. 490

  4. 330

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The speed of sound in air at 25°C is approximately 346 m/s. Among the options, 330 m/s is the closest approximation. The speed of sound in air increases with temperature and is roughly 331 m/s at 0°C, increasing by about 0.6 m/s per degree Celsius.