Question

a bat can hear sound of frequencies up to 120kHz determine the minimum wavelength of sound which it can hear take speed of sound in air to be 344ms^‐1



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Answer 1

Answer:

• For sound waves in air, the speed of sound is 343 m/s (at room temperature and atmospheric pressure). The wavelengths of sound frequencies audible to the human ear (20 Hz–20 kHz) are thus between approximately 17 m and 17 mm, respectively.

Explanation:

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Answer 2

Explanation:

Hi friend

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Your answer

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FREQUENCY = 120Hz

WAVE VELOCITY = 344m/s

WAVELENGTH =?

NOW,

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WAVE VELOCITY = FREQUENCY × WAVELENGTH

WAVELENGTH = WAVE VELOCITY/ FREQUENCY

WAVELENGTH = 344/120 m

WAVELENGTH = 2.8666 m. (approximately)

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