Question

4. How much frequency is fixed in the experiment of ultrasonic interferometer?
A. 2X1010Hz
B.2X106Hz
C.500Hz
D.1000Hz​

Answer 1

Answer:

I think the answer is b) 2X106Hz.

I hope it helps you my friend

Answer 2

Explanation:

Frequencies ranging from 8000 Hz to 20,000Hz can be produced by this method. Ultrasonic Interferometer: The schematic diagram of an ultrasonic interferometer is shown in the figure. In an ultrasonic interferometer, the ultrasonic waves are produced by the piezoelectric method