일반물리학 1 · Waves-II · Problem 1
일반물리학 1 — Waves-II: Problem 1
1 Diagnostic ultrasound of frequency 3.80 MHz is used to examine tumors in soft tissue. (a) What is the wavelength in air of such a sound wave? (b) If the speed of sound in tissue is 1500 m/s, what is the wavelength of this wave in tissue? [Note: Use speed of sound in air = 343 m/s as specified in the problem section header.]
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