If the wind blows in the direction of sound then the Speed of sound becomes:
(v = final speed of sound; Vs = speed of sound; Vw = speed of wind)

v = V s - V w

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v = 2 V s - V w

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v = V s + V w

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v = V s - 2 V w

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Solution

The correct option is C $v = V s + V w$
Wind drifts the medium along its direction of motion. So the speed of sound will increase.

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V_{w} = 10 m / s

v = 330 m / s

The speed of sound in the air, if the wind is blowing in direction of propagation of sound ___ the speed of sound when the wind is not blowing.

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