Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 4 months agoWhen I placed a lamp next to a mirror where I can see "two lamps", does that double the light output? I know all the light that would have been wasted on the wall is now being returned so is it a yes?message-squaremessage-square20fedilinkarrow-up159arrow-down17
arrow-up152arrow-down1message-squareWhen I placed a lamp next to a mirror where I can see "two lamps", does that double the light output? I know all the light that would have been wasted on the wall is now being returned so is it a yes?Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 4 months agomessage-square20fedilink
minus-squarehperrin@lemmy.worldlinkfedilinkarrow-up27·4 months agoA mirror and a perfectly white wall both reflect (nearly) all the light that hits them, the only difference is in which direction they reflect it. White walls will scatter the light that hits them.
A mirror and a perfectly white wall both reflect (nearly) all the light that hits them, the only difference is in which direction they reflect it. White walls will scatter the light that hits them.