Say true or false,explain it too.Light cannot travel in vaccum.
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Light can travel even in vacuum and it will be a perfect straight line in it. It may not change its direction unless it interacts with an object or medium. Shadow in cloudy and non-cloudy days can be a perfect example that light travels in a straight line.
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False...
Light can travel even in vacuum and it will be a perfect straight line in it. It may not change its direction unless it interacts with an object or medium. Shadow in cloudy and non-cloudy days can be a perfect example that light travels in a straight line.
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