Science, asked by bhaveshdhule88, 3 months ago

Ultrasound has______frequency of vibration
(a)20Hz
(b)between 20 to 20000 Hz
(c)above20000Hz
(d) Less than 20Hz

Answers

Answered by kumardalbir1976

2

Answer:

a part is correct answer

Answered by shadowfightersano1

8

Answer:

THE ANSWER IS (C)........

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