If you are sealed into a sphere with a highly mirrored interior and you turn on a flashlight and then turn it off will the interior stay lit up?

If you are sealed into a sphere with a highly mirrored interior and you turn on a flashlight and then turn it off will the interior stay lit up?
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1 Answer

Answer :

No. I think there is a certain amount of electron displacement that occurs with each reflection, which absorbs some of the light energy so that the reflection would eventually stop. However, if the mirrors were completely reflective (which I don’t think is possible with current technology) then yes the interior would stay lit up.
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