1.

What is the frequency range of the sound used for ultrasound diathermy?

A. 0.1 – 0.7 MHz
B. 0.7 – 3.3 MHz
C. 3.3 – 5 MHz
D. 5 – 15 MHz
Answer» C. 3.3 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 5 MHz


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