What are the methods for producing ultrasonic waves, Physics

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What are the methods for producing Ultrasonic waves?

Ultrasonic Production:

Three methods there for producing Ultrasonic waves are as given below:

a. Mechanical generator or Galton’s whistle.

b. Magnetostriction generator.

c. Piezo-electric generator.

In this section, know the method of producing ultrasonic waves by using Magnetostriction method.

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