l MetroPCS LTE 1:37 PM live.hssu.edu wave nature ability to travel in vacuum O d

Question

l MetroPCS LTE 1:37 PM live.hssu.edu wave nature ability to travel in vacuum O do Copy Look Up Share... 2) Which of the following has a speed of about 343 msec? (2pt light waves in vacuum sound waves in vacuum sound waves in air O light waves in air 3) All waves carry (2pts) water energy sound O light 4) An example of a wave that is non-mechanical is (2pts) wave from a jiggled string sound wave O water wave light wave 5) When two waves of the same waveleng amplitudes interfere with the crest of o of the other or crest of one meeting tro resulting wave will always have the same wavelength as either of the initial waves

Explanation / Answer

It is the speed of sound in air.
Speed of light in both air and vacuum is almost the same, around 3*108 m/s
Sound waves can only travel through a medium. and as vauum has no medium, sound waves cannot travel through them at all.
Sound speed through air medium is around 343 m/s

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