The combination of red and green light makes yellow light. That is what hits the screen.
Putting a blue object in the combined light beam removes the red and the green from the light that is reflected by the object. That leaves only black.
a red light source and green light source shine on a white screen. so
if a blue object is placed in front of the screen, what color will it be? explain?
2 answers
How much current flows in a 12-watt radio connected to a 120-volt circuit?
2 answers