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Home» class 9»Science» Chapter 11: Sound

How is ultrasound used for cleaning? - Science

Question

How is ultrasound used for cleaning?

Answer

Ultrasound cleaning process:

  1. Objects to be cleaned are placed in a cleaning solution.

  2. High-frequency ultrasonic waves are sent into the solution.

  3. These waves cause high-frequency vibrations that detach particles of dust, grease, and dirt from hard-to-reach places (like spiral tubes or odd-shaped parts).

  4. The detached dirt drops out, leaving the object thoroughly cleaned.