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Starboard (right) side
SONAR is an acronym for Sound Navigation And Ranging. LIDAR would use light.
The green light would be the starboard steaming light, the white the masthead light. What you would do would depend on factors such as its releative bearing and in what waters you are sailing.
Yellow as white objects reflect the whole visible light spectrum. So the white ball would reflect the yellow light.
Green light - Green, White light - Green, Red light - Black
I would say it would make light purple. I say that because red and blue make purple and if you add white it would make it light. So its light purple.
If white light is shined through a prism, it will be dispersed into colors.
Since white light is a mixture of all colors, and black is the absence of light, white light would have a higher frequency.
white shoes appear white because it reflects all 7 colours of white light when fallen on to it.Therefore if only yellow light is fallen on to this object it would give out light rays which are yellow in colour . so shoes would appear yellow.
A "white surface" is one that reflects all colors of light. That's why it looks white when a white light shines on it, and that's why you call it "white". If only red light shines on it, then it looks red.
Otherwise everything would be dark, and we would have to rely on sound or touch for navigation.
White light does not alter the color of objects that it illuminates, hence, a red car would look red, in white light. White is the combination of all colors in reference to light. A Red Car is Red because it reflects the Red Wavelengths and absorbs the others.