Physics, asked by jessica422178, 10 months ago

the ultrasonic frequency is
a) 2000 Hz
b) 20000 Hz
c) 30000Hz
d) 10000 Hz

Answers

Answered by DMNS

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b ] 20 , 000 Hz

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Answered by Anonymous

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The ultrasonic frequency is :-

a) 2000 Hz

b)20000 Hz

c)30000 Hz✓

d)10000 Hz

Note:- Ultrasonic frequencies are always 20000 Hz +

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