Anna studies the color of her bedroom wall using different lights. In sunlight, she sees that the wall is white. Anna darkens th
e room and shines a beam of light that includes all the wavelengths of visible light onto the wall. In this light, what's the wall color that Anna sees?A.) no colorb.) all seven colors of visible lightc.) redd.) whitee.) black
Anna studies the color of her bedroom wall using different lights. In sunlight, she sees that the wall is white.
Then she gets an idea for an experiment. Anna darkens the room and shines a beam of light that includes all the wavelengths of visible light onto the wall.
In this light, the wall appears <em>white</em>. (Choiced)
Anna will see aw white light on the wall. This is possible for a simple reason: Light, as we see it is a mixture of lights of different wavelengths. The different wavelengths mix and merge to give light that appears to be monochromatic - meaning of one wavelength. This single wavelength light is also of a single color. Inadvertently, the light will appear to be white.
The Milky Way galaxy is one of more than 54 galaxies known as the Local Group. The three largest members of the group are our Milky Way (second-biggest), the Andromeda galaxy (biggest) and the Triangulum Galaxy. <em>(earthsky)</em>
