Question

Calculate the wave length of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium​

Answer 1

Frequency of the sound wave, ν= 220 Hz

Speed of the sound wave, v = 440 m s-1

For a sound wave,

Speed = Wavelength x Frequencyv = λ x ν

ˆ´ λ= v / ν = 440 / 220 = 2m

Hence, the wavelength of the sound wave is 2 m.

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Answer 2

♦️ QuesTion

Calculate the wave length of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium

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▶️ AnsWer

given:

frequency of the wave is 220 Hz

speed or velocity of the wave is 440 m/s

to find:

wavelength of the wave = ?

formula needed :

wavelength = velocity / frequency

= 440/220

= 2m