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13. Sound
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Q20 of 47 Page 13

Give two applications of ultrasound in medical sciences.

Ultrasound is used as diagnostic tool in medical science and in relieving pain, in joints and muscles.

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All 47 →
18 Pendulum A makes 14 oscillations in five seconds and pendulum B makes 10 oscillations in three seconds. Which has a higher frequency? Express the frequency of each pendulum in hertz. 19 What is the range of audible frequencies for a normal human ear?  21 Give two applications of ultrasound in industries. 22 What is noise?
Questions · 47
13. Sound
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