Geography, asked by pateldhruvin791, 11 months ago

what is ultrasonic grating?​

Answers

Answered by nawabzadi23
1

Answer:

An ultrasonic grating is a type of diffraction grating produced by interfering ultrasonic waves in a medium altering the physical properties of the medium, and hence the refractive index, in a grid-like pattern. The term acoustic grating is a more general term that includes operation at audible frequencies.

An ultrasonic wave is a sound wave at a frequency greater than 20 kHz. The human ear cannot recognize ultrasonic waves, but animals such as bats and dogs can. Ultrasonic waves can be produced by the Piezo-electric effect and magnetostriction

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Answered by dhayadon
1

Answer:

Explanation:

An ultrasonic grating is a type of diffraction grating produced by interfering ultrasonic waves in a medium altering the physical properties of the medium, and hence the refractive index, in a grid-like pattern. ... An ultrasonic wave is a sound wave at a frequency greater than 20 kHz.

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