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7 December, 05:28

The main difference between a radio wave and a sound wave is their different.

A) wavelengths.

B) frequencies.

C) amplitudes.

D) energies.

E) modes of travel.

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Answers (1)
  1. 7 December, 09:21
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    Answer: modes of travel

    Sound is a mechanical longitudinal wave, whose main characteristic is that it necessarily needs a medium to propagate; unlike electromagnetic waves (radio waves) that are transverse waves and can propagate in vacuum.

    Therefore, the main difference between both waves is their different modes of travel, while sound needs a medium to travel, radio waves not.
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