NEET Physics Wave Motion MCQ Question
A hospital uses an ultrasonic scanner to locate tumors in a tissue with a speed of sound of 1.7 km/s. If the operating frequency of the scanner is 2 MHz, what is the wavelength of sound in the tissue?
0.85 mm
8.5 mm
0.17 mm
17 mm
Correct Answer
Detailed Explanation
The wavelength can be calculated using the formula , where m/s and Hz, giving mm.
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