bright purple. (ultra violet).
Black
BLACK because the apple absorbs the blue light and there would be no light to reflect.
it would appear black because no red light strikes it
Then, your diamond looks opaque white under a black light.
There are some rubies, especially Thai, that have too high an iron content to grow under black light. But unless the iron content is too high, rubies glow pinkish-red under a black light.
it is very bright
48.532 hours
Yes, you can use a black light on bed sheets or where-ever and the semen will be visible.
Yes it can. Semen appears a pale greenish yellow under a blacklight, just like most white things glow bright purple. Clean it up before you invite your buddies over to show them your new black light. No. I own a blacklight and something that produces semen; I can attest that my semen does not glow any color before or after it has dried.
bLack
I'm pretty sure any black light would work just fine
black
Because it have floresent
BLACK.
Black
black
Ew, why do you want to know?