how to make ultrasonic wave.
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In most applications, ultrasonic waves are generated by a transducer that includes a piezoelectric crystal that converts electrical energy (electric current) to mechanical energy (sound waves). ... Ultrasound may also beproduced by a whistle or siren-type generator.
Abhishek0234:
thank you for giving such a correct answer
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To make ultrasonic wave you have produce the sound of frequency more than 20 kHz which u will cannot bear .
Human can listen only upto 20 kHz not more than that.
Hope it helps you!
Human can listen only upto 20 kHz not more than that.
Hope it helps you!
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