Different Fading Many vehicles in the United States have a

QUESTION:

Many vehicles in the United States have a small American flag decal in one of their windows. If the decal has been in place for a long time, the colors will show some

fading from exposure to the Sun. In fact, the red stripes are generally more faded than the blue background for the stars, as shown in the accompanying photo. Photographs and posters

react in the same way, with red colors showing the most fading. Explain this effect in terms of the photon model of light.