Find the wavelength of a sound wave travelling in air with a frequency of $256 H z$ . (The velocity of sound in air is $340 m s^{- 1}$ .)

1.56 m

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1.45 m

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1.33 m

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1.98 m

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Solution

The correct option is C $1.33 m$
Speed of sound, $v = ν λ$
Where $ν$ = Frequency,
$λ$ = Wavelength.
Given, $ν$ = $256 H z$
$v = 340 m s^{- 1}$
$⟹ 340 = 256 \times λ$
$⟹ λ = 1.33 m$ .

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Find the wavelength of a sound wave travelling in air with a frequency of 256 Hz. (The velocity of sound in air is 340 m s−1.)

The correct option is C 1.33 m Speed of sound, v=νλ Where ν = Frequency, λ = Wavelength. Given, ν = 256 Hz v=340 m s−1 ⟹340=256×λ ⟹λ=1.33 m.

Find the wavelength of a sound wave travelling in air with a frequency of $256 H z$ . (The velocity of sound in air is $340 m s^{- 1}$ .)

The correct option is C $1.33 m$
Speed of sound, $v = ν λ$
Where $ν$ = Frequency,
$λ$ = Wavelength.
Given, $ν$ = $256 H z$
$v = 340 m s^{- 1}$
$⟹ 340 = 256 \times λ$
$⟹ λ = 1.33 m$ .