They are yellow because they are sodium lamps, using sodium vapor. They are very efficient in terms of visible light output per watt.
The white surface reflects the yellow light back to you. White reflects all colours of light, so when it only has yellow light to reflect, it reflects all of the yellow light.
Yellow as white objects reflect the whole visible light spectrum. So the white ball would reflect the yellow light.
White reflects all colors. Since it is under yellow light, it will reflect the yellow color, making it look yellow.
To get white light, you must mix all the colors (red, orange, yellow, green, blue, indigo, and violet)
An object that appears yellow under white light will have a tendency to maintain its distinctly yellow appearance when bathed in yellow light.
yellow and white. light green and yellow orange yellow and white
The white surface reflects the yellow light back to you. White reflects all colours of light, so when it only has yellow light to reflect, it reflects all of the yellow light.
really light yellow
Light Yellow
Yellow & Black Yellow & White Yellow & Blue Yellow & Orange Yellow & pastel colors (light pink, light blue, light green. With accessories: silver With shoes: white or brown
Yellow as white objects reflect the whole visible light spectrum. So the white ball would reflect the yellow light.
yellow
White and yellow mixed together makes the paint light yellow. The amount of white you mix in will determine how light the yellow is.
it makes a pale yellow or light yellow.
White reflects all colors. Since it is under yellow light, it will reflect the yellow color, making it look yellow.
white
Light yellow.