Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

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.....


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
1 4 1
i hope it helps............. 
1 5 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts