speed of sound in air is about 331 m s⁻¹ at 0 °c – Discussion Forum

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Kriti

Asked: October 14, 2026In: Class 9 Science

The speed of sound in air is about 331 m s⁻¹ at 0 °C and nearly 344 m s⁻¹ at 22 °C. Roughly how much extra time will the sound of thunder take to travel a distance of 1720 m, if the air temperature changes from 22 °C to 0 °C? Assume that all other conditions remain unchanged.

Sound takes 5.0 seconds at 22 °C and approximately 5.196 seconds at 0 °C to cover 1720 meters. Subtracting these values reveals an extra transit time of roughly 0.20 seconds. CBSE Class 9 Science Chapter 10 Sound Waves Characteristics and Applications ...