General Knowledge - Physics - Discussion

Discussion Forum : Physics - Section 1 (Q.No. 30)

Physics

30.

Sound of frequency below 20 Hz is called

audio sounds

infrasonic

ultrasonic

supersonics

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

25 comments Page 2 of 3.

Ashwani said: 1 decade ago

Because man cannot hear sound less than 20 Hz.

Aniket said: 1 decade ago

Is ultrasonic and audio frequency same terms?

Jacko said: 10 years ago

@Tracy.

20HZ - 20000HZ(sometimes 16000 HZ).

Tracy said: 10 years ago

How much HZ is needed for a human being?

Aaditya Kumar said: 9 years ago

Name some animals which hear below 20Hz.

Elakiya jyothi said: 9 years ago

Which frequency makes man's ear dum?

Deep said: 9 years ago

You are right. I agree @Cm Prasad.

Dillon jordan said: 9 years ago

Can someone explain it in depth?

Kiran said: 8 years ago

What is the speed of the sound?

STEPH said: 8 years ago

Thanks for the information.

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