Lessons

Eamcet Physics
1 st Year : Unit 10.4 ( Oscillations And Waves ) - Wave Motions

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Q.

A hospital uses an ultrasonic scanner to locate tumors in a tissue. The operating frequency of the scanner is 4.2 MHz. The speed of sound in a tissue is 1.7 km-s–1. The wavelength of sound in the tissue is close to

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Correct choice: A

Explanation:

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