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Velocity of sound in air is (a) 300 m/s (b) 3.8*1010 m/s (c) 3*108 m/s (d) 9*1019 m/s

Velocity of sound in air is
(a) 300 m/s
(b) 3.8*1010 m/s
(c) 3*108 m/s
(d) 9*1019 m/s

Grade:12

1 Answers

Vikas TU
14149 Points
2 years ago
The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a kilometre in 2.9 s or a mile in 4.7 s.

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