2007-01-12 03:10:09 · 6 answers · asked by Chi Chi 1 in Science & Mathematics ➔ Physics
It shouldn't affect the umbra (darkest part where there is no light to reflect)... The penumbra will have an overlapping area where some of the light source comes through (diffraction). This part of the shadow should be similar to the color of the light.
2007-01-12 03:33:00 · answer #1 · answered by The Cheminator 5 · 0⤊ 0⤋
shadows are the absence of light. When the only light cast is of a particular color, it's more like the shadow becomes the absence of the color. When you use a red color filter or a red light, all color wavelengths except red are blocked out. Therefore, wherever the red light can not go, you start to see the other color wavelengths start to reemerge. Blue and yellow are the other primary colors, so when the red light is blocked by an object it can't go through, you see predominantly green shadows--the mixture of the two.
2007-01-12 11:21:35 · answer #2 · answered by Woz 4 · 0⤊ 0⤋
Actually the color of incident light does not affect the color of light but the shadow has lesser intensity of that color than the brighter part.
Second thing is that the the color of shadow is purely relative phenomena cause if you expose the object with orange light the shadow will appear to be green and if you expose the object with
yellow light the shadow color appear to be blue.
Third point is that the shadow never changes color with changing
the incident light but it is sheer a eye illusion.
our eye deceives us.
2007-01-12 13:06:58 · answer #3 · answered by nishad 1 · 0⤊ 0⤋
Now think about this. The brighter the light the darker the shadow. Dimmer light produces a lighter shadow. Relate it to the sun & sunburn. Brighter the sun the quicker U will burn. Less sun or overcast skies, it takes longer 2 burn. Hope this answers Ur question.
2007-01-12 11:19:15 · answer #4 · answered by Blues Man 7 · 0⤊ 0⤋
its mainly because of their different different wavelength.each color has its different wavelength and as u know there is a very little bending of light at corners of an object( this property of light is known as diffraction)..so according to bending angle,intensity of light going to make a shadow increases or decreases at corners(or at edges) of object.. thts y effect is only at corners not in the middle
2007-01-12 11:25:54 · answer #5 · answered by Andrew goel 2 · 0⤊ 0⤋
It does? or do you mean the reflection of the light?
2007-01-12 11:21:45 · answer #6 · answered by Timothy S 6 · 0⤊ 0⤋