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A hospital uses an ultrasonic scanner to...

A hospital uses an ultrasonic scanner to locate tumour in a tissue. What is the wavelength of sound in a tissue in which the speed of sound is `1.7 km//s` ? The operating frequency of the scanner is `4.2 MHz`.

A

`4xx10^(-4)` m

B

`8xx10^(-4)` m

C

`4xx 10^(-3)`m

D

` 8 xx10^(-3)` m

Text Solution

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The correct Answer is:
a
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