Which type of wave cannot transmit energy through a vacuum?

Answer A. electromagnetic B. mechanical C. light D. radio .

Question

Which type of wave cannot transmit energy through a vacuum?

Answer   A. electromagnetic  B. mechanical  C. light   D. radio .

anonymous · Answer

That's realy a stupid question :P

irishboy123 · Answer

are light and radiowaves both electromagnetic waves?  our light comes from the sun, right?  is there a vacuum between the earth and the sun?

irishboy123 · Answer

@Mashy that's far from a stupid question.  it is a good question, @jake88.  remember the lumniferous ether?  how long did that myth persist before we got to the truth.

anonymous · Answer

i meant.. its stated in a bad way.. the answer can't even exist in vacuum, let alone TRANSFER energy

irishboy123 · Answer

@Mashy,  cool.  i saw it differently.  i think the notion that energy and matter move very easily and readily without the need for any medium is not necessarily intuitive.  it can't be as history shows!  but i see your point too.  cheers.

anonymous · Answer

yea .. ll give you a medal, cause you are actually trying to get him to answer the question instead of giving the answer yourself, which only few people do it (including me :D )..

anonymous · Answer

its mechanical