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Physics, 15.11.2020 20:00 solphiafischer

Which statement best explains why light can travel with or without a medium? A medium is necessary for light waves to travel.
Light waves cannot travel in a vacuum.
Light waves are longitudinal waves that do not require a medium to travel.
Transverse waves do not require a medium to travel.

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Which statement best explains why light can travel with or without a medium? A medium is necessary...
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