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My question is this what will happen if I will flash a beam of light just say in an dark area where nothing is present ( vaccum ) there to reflect light. Just say I am standing and someone flashed a light in front of me would I be able to see that light.( As there is no particle there to reflect light. )enter image description here

2 Answers2

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I think it would travel straight forward in form of energy (hidden), but as it strikes any object it would glow

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Yeah, you could see it only if the light ray when it directly reaches you from the source. Otherwise, provided the given conditions, one could not see light

Orion 73
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