Sound WavesHard
Question
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 1.7 km/s. The operating frequency of the scanner is 4.2 MHz.
Options
A.4.1 × 10-4 m
B.4.1 × 10-3 m
C.4.1 × 10-2 m
D.4.1 × 10-5 m
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