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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

`4 xx 10^(-3) m`

B

`8 xx 10^(-3) m`

C

`4 xx 10^(-4) m`

D

`8 xx 10^(-4)m`

Text Solution

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The correct Answer is:
C
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