91影视

On a TV screen, red, green, and blue spots of fluorescent materials are illuminated at a variety of relative intensities to produce a full spectrum of colors. What dots are activated to produce yellow? Magenta? White?

What color of light will be transmitted through overlapping cyan and magenta filters?

Comment on this statement: 鈥淥h, that beautiful red sunset is just the leftover colors that weren鈥檛 scattered on their way through the atmosphere.鈥�

Very big particles, like droplets of water, absorb more radiation than they scatter. How does this relate to the darkness of rain clouds?

Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is a combination of red and blue and yellow is a combination of red and green鈥攁nd that the color in common is red. Do you agree or disagree, and why?

Why can鈥檛 we see stars in the daytime?

Why is the sky a darker blue when you are at high altitudes? (Hint: What color is the 鈥渟ky鈥� on the Moon?)