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Waves and Sounds

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Wavelength in an Ultrasound

WAVES-UCCJUR

A patient has gone to the doctor to have some soft tissue examined. The doctor proposes to use an ultrasound.

Given that the frequency of an ultrasound is $5.0\text{ MHz}$ and the speed of sound in the patient's tissue is $1700\text{ m/s}$, what is the wavelength of one of the sound waves?

A

$2.9\times 10^{3}\text{ m}$

B

$3.4\times 10^{2}\text{ m}$

C

$3.4\times 10^{-4}\text{ m}$

D

$8.5\times 10^3\text{ m}$

E

$8.5\times 10^{9}\text{ m}$