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Sound with fr...

Question

Sound with frequencies less than $20 H z$ are known as infrasonic sound.

A

False

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B

True

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Solution

The correct option is B True

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Similar questions

Q. Match the pairs

Group 'A' Group 'B'

(a) Flute (1) Frequency less than 20 Hz

(b) Frequency (2) Frequency more than 20000 Hz

(c) Sound level (3) Vibrations in the air

(d) Ultrasonic sound (4) Measured in Hz

(e) Infrasonic sound (5) Decibel

Sounds having frequencies lower than 20 Hz are called:

Sound of the frequency below 20 Hz is known as

Q. Sound waves with frequency less than

20 H z

Q. Sound with frequency less than 20 Hz is called:

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