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

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Solution

Group 'A' Group 'B'

(a) Flute (3) Vibrations in the air

(b) Frequency (4) Measured in Hz

(c) Sound level (5) Decibel

(d) Ultrasonic sound (2) Frequency more than 20000 Hz

(e) Infrasonic sound (1) Frequency less than 20 Hz

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Similar questions

Sounds having frequencies lower than 20 Hz are called:

Sound waves whose frequency is greater than 20000 Hz is called ___.

Which has the higher frequency - ultrasonic sound or infrasonic sound ?

20 H z

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