If a speed sound in air at o°c is 331m/s. what will be its value at 25 °c

346m/s

Explanation:

The lower the density that of a medium, the faster the speed of sound, and the higher the compressibility is, the slower the sound travels. The speed of sound in air is approximately 331 m/s at 0 °C around 1200 km per hour. The speed of sound through air is approximately 343 m/s at normal room temperature, which is at 20 °C. The speed of sound through air is 346 m/s at 25 °C

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true tan speed = ang vel x radius

so easy. just google the electromagnetic waves and it’ll pop up.