Which of the following properties makes a light wave different from all mechanical waves?
A. A light wave slows down in a vacuum.
B. A light wave is able to transmit energy.
C. A light wave exists as a transverse wave.
D. A light wave can travel without a medium.

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Answers

2014-03-04T22:06:22+08:00
I think its letter D....light can travel without a medium ...hope this helps though . :D
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