Physics · Acoustics
Ultrasonic waves can be artificially produced by which of the following methods?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Galton's whistle
- 2Vibrations of quartz crystals using the piezoelectric effect
- 3Both A and B✓
- 4None of the above
Correct answer
Both A and B
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