Why are ultrasound waves used for cleaning delicate objects such as jewelry?

Question

Why are ultrasound waves used for cleaning delicate objects such as jewelry? — Exam MCQ

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A. They cause tiny vibrations that dislodge dirt — The correct choice is They cause tiny vibrations that dislodge dirt. Sound behaviour is determined by wave properties such as frequency, amplitude, wavelength and the medium of propagation.

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B. They attract dirt particles with magnetism

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C. They heat the jewelry to remove stains

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D. They dissolve dirt using special chemicals

Why are ultrasound waves used for cleaning delicate objects such as jewelry?

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