Waves of special frequencies are used for cleaning hard to reach places.a) Name the waveb) What is the frequencies of these wavesc) Explain how do these waves perform this work EXPERTS PLZ ANSWER FAST... MONDAY IS MY SA2 EXAM.....
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Name of waves = ULTRASONIC WAVES
these have frequencies of more than 20000hz. These waves travel in a straight line without bending and also travel with high force .so they can be used to clean
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i hope it helps.............
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