A note of 500 Hz travels through a solid. If the velocity of sound in the solid is 3500 m/s, the wavelength is

21 m

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2 m

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3.5 m

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7 m

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Solution

The correct option is D 7 m
Given: Velocity of a wave = Frequency $\times$ Wavelength
Wavelength $= \frac{V e l o c i t y}{F r e q u e n c y} = \frac{3500}{500} = 7 m$ .

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A note of 500 Hz travels through a solid. If the velocity of sound in the solid is 3500 m/s, the wavelength is

The correct option is D 7 mGiven: Velocity of a wave = Frequency × Wavelength Wavelength =VelocityFrequency=3500500=7 m.

The correct option is D 7 m
Given: Velocity of a wave = Frequency $\times$ Wavelength
Wavelength $= \frac{V e l o c i t y}{F r e q u e n c y} = \frac{3500}{500} = 7 m$ .