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Nobody can Imagine a world without sound...

Nobody can Imagine a world without sound. Sound is a part of our life- musics, ripples, echoes etc. have a lot of applications.Doctors use an ultrasonic scanner to diagnose tumour tissues. If the frequency of the scanner is locate `4.2MHz `and the speed of sound wave in the tissue of is `1.7 kms` find the wavelength of the sound wave.

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Nobody can Imagine a world without sound. Sound is a part of our life- musics, ripples, echoes etc. have a lot of applications. Can you say how a bat can ascertain directions and distances without any 'eyes'?

A hospital uses an ultrasonic scanner to locate tumours in a tissue. What is the wavelength of sound in the tissue in which the speed of sound is 1.7km^(-1) . The operating frequency of the scanner is 4.2MHz.

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