The velocity of sound in the air (vacuum) is :

330 m/sec

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220 m/sec

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110 m/sec

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232 m/sec

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Solution

The correct option is A 330 m/sec
Answer is A.
The speed of sound is the distance traveled per unit time by a sound wave propagating through an elastic medium. The SI unit of the speed of sound is the meter per second (m/s). In dry air at 20 degree C, the speed of sound is 330 meters per second .

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Similar questions

(c o s e c^{2} 45^{\circ} s e c^{2} 30^{\circ}) (s i n^{2} 30^{\circ} + 4 c o t^{2} 45^{\circ} - s e c^{2} 60^{\circ})

2 s i n^{2} 30^{\circ} t a n 60^{\circ} - 3 c o s^{2} 60^{\circ} s e c^{2} 30^{\circ}

\frac{6 s i n^{2} 45^{\circ} + c o t^{2} 60^{\circ} + s e c^{2} 30^{\circ}}{t a n 45^{\circ} + c o s e c^{2} 60^{\circ}}

330 m / s e c

40 c m

1.6

π

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