2006-07-15 20:32:09 · 7 answers · asked by kitty 1 in Science & Mathematics ➔ Chemistry
UVA and UVB ultraviolet rays
2006-07-15 20:38:41 · answer #1 · answered by Anonymous · 0⤊ 0⤋
This happens because ultraviolet rays can break down the chemical bonds and thus fade the color(s) in an object - it is a bleaching effect
2006-07-16 03:39:00 · answer #2 · answered by Anonymous · 0⤊ 0⤋
The sun emits light in many ranges. Ultra-violet light does most of the work, but some other ranges do something as well.
The reason things look coloured is because there are chemicals in them which absorb certain frequencies of light. The rest are reflected making it look coloured. The ultra violet light breaks down these chemicals, so no light is absorbed and it is all reflected. This makes it look white.
2006-07-16 04:09:22 · answer #3 · answered by tgypoi 5 · 0⤊ 0⤋
The rays of the sun interfere with the chemical composition of the color dies. In other words, the sun destroys colors and bleaches the material.
2006-07-16 03:50:55 · answer #4 · answered by Hi y´all ! 6 · 0⤊ 0⤋
Ultraviolet radiation
2006-07-16 07:49:50 · answer #5 · answered by Wes M 1 · 0⤊ 0⤋
i need more details like where and when
2006-07-16 05:06:13 · answer #6 · answered by IBRAHEEM A 1 · 0⤊ 0⤋
it bleaches them
2006-07-16 03:36:40 · answer #7 · answered by dumplingmuffin 7 · 0⤊ 0⤋