The wavelengths of two sound waves in air are 81 173 m and 81 170 m . They produce 10 beats per second. Calculate the velocity of sound in air.

Here wavelength values are given as below λ 1 = 81 173 m = 0 . 468 m , λ 2 = 81 170 m = 0 . 476 m Δ n = 10 b e a t s Now using the below formula, we can calculate the velocity of sound in air Δ n = n 1 - n 2 Δ n = V λ 1 - V λ 2 Δ n = V 1 λ 1 - 1 λ 2 10 = V 173 81 - 170 81 10 = V 3 81 V = 10 × 81 3 V = 270 m / s

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The speed of a wave in a medium is $760 m s^{- 1}$ . If $3600$ waves are passing through a point, in the medium in $2 minutes$ , then its wavelength is

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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6.0 m

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Then,

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is equal to:

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

The wavelengths of two sound waves in air are $\frac{81}{173} m$ and $\frac{81}{170} m$ . They produce $10$ beats per second. Calculate the velocity of sound in air.

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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Physics>Oscillations and Waves>Sound Waves>Speed of Sound in Gases

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The speed of a wave in a medium is 760 m s-1. If 3600 waves are passing through a point, in the medium in 2 minutes, then its wavelength is

Important Questions on Sound Waves

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The speed of a wave in a medium is $760 m s^{- 1}$ . If $3600$ waves are passing through a point, in the medium in $2 minutes$ , then its wavelength is