how light can travel in vaccum
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In contrast, light waves can travel through a vacuum, and do not require a medium. In empty space, the wave does not dissipate (grow smaller) no matter how far it travels, because the wave is not interacting with anything else.
akhand07:
how waves can travel in vaccum
light travels don't need a medium
light waves don't need a medium
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1
In vaccum it propagates with the speed of 3*10^8 m/s
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