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وارد شوید

Physics for IGCSE & O level - Waves And Sounds (Section 2 - No. 3)

Which of the following are uses of ultrasound?
Metal testing
Echo-sounding
Cleaning machinery
Taking X-rays

توضیح

Ultrasound is used in metal testing, echo-sounding, and cleaning machinery. X-rays are not uses of ultrasound.

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