Anonymous
Anonymous asked in Science & MathematicsPhysics · 10 months ago

A bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the bat makes. If b...?

A bat can detect small objects such as an

insect whose size is approximately equal to

one wavelength of the sound the bat makes.

If bats emit a chirp at a frequency of

42.9 kHz, and the speed of sound in air is

330 m/s, what is the smallest insect a bat can

detect?

Answer in units of mm

1 Answer

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  • Anonymous
    10 months ago
    Favorite Answer

    λ = 10^3*V/f = 330*10^3/(42.9*10^3) = 7.69 mm

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