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Speed of Sound

Fill the vaca...

Question

Fill the vacant space in the following statement. Sound waves in the range of_____ are best at travelling over large distances.

A

Infrasound

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B

Ultraviolet

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C

Infrared

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D

Acoustic

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E

Ultrasound

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Solution

The correct option is A Infrasound
Infrasound has lower frequency as compared to audible sounds, and thus they have larger wavelengths. Resultantly, these waves interact lesser with particles in the air that they travel in, and thus are suitable for communication over large distances.

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