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They are yellow because they are sodium lamps, using sodium vapor. They are very efficient in terms of visible light output per watt.

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Related Questions

What colors do you mix to get light yellow?

yellow and white. light green and yellow orange yellow and white


If you shine a yellow light on a white surface why does the surface look yellow instead of white?

When a yellow light is shone on a white surface, the surface reflects mostly yellow light and absorbs other colors. This makes the surface appear yellow because it is reflecting predominantly yellow light back to our eyes, giving the illusion of a yellow color instead of white.


What colour would a white ball look like in yellow light?

Yellow as white objects reflect the whole visible light spectrum. So the white ball would reflect the yellow light.


What color do white light and yellow light make?

really light yellow


What do we get if we mix yellow and white?

Light Yellow


What does yellow and white make?

Yellow and white make a light, pastel shade of yellow. Mixing yellow and white together creates a softer, muted version of yellow with a lighter tint.


What matches yello?

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


What color does yellow and white mixed together make?

White and yellow mixed together makes the paint light yellow. The amount of white you mix in will determine how light the yellow is.


What is the colour of a yellow flower in a white light?

yellow


What will white look like under yellow light?

White will appear slightly warmer or more yellowish under yellow light due to the way our eyes perceive colors. This is because the yellow light will mix with the white surface, creating a subtle yellow tint.


What color is a yellow banana if shined with white light?

still yellow. The appearance of a color is because the banana peel reflects that color, among the many colors in a white light, and absorbs the other colors.


What happens when rays of white light strike a yellow opaque object?

The yellow object absorbs most of the light and reflects yellow light. White light is a combination of different colors, and the yellow object absorbs all colors except yellow, which is what we see.

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