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Waves and Sounds

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Sound Wavelength Equivalent of a Microwave

WAVES-HSUGNV

A microwave oven operates at a frequency of $2.450 GHz$.

What frequency of sound in air has the same wavelength as the electromagnetic waves in a microwave oven?

A

$0.122 Hz$

B

$1.4.{10}^{-7} Hz$

C

$1410 Hz$

D

$41.9 Hz$

E

$2820 Hz$