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Which question would be the BEST to ask todetermine if a wave Is an EM wave or a mechanicalWave?A. Does the wave contain-energy?B. Does it require a medium to travel?C. Is it a longitudinal or transverse wave?D. Does the wave have a crest and trough?

Which question would be the BEST to ask todetermine if a wave Is an EM wave or a mechanicalWaveA Does the wave containenergyB Does it require a medium to travel class=

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B. Does it require a medium to travel?

this is the main difference between longitudinal and transverse wave.

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