Course: Science Subtest I
Lesson: Optics and Waves
Topic: How We See      Page 22 of 27  

Why an apple appears red

An object that is emitting light appears to be the color of that light — a glowing toaster element appears red, and a neon bulb may appear green. But what about an object that shines by reflected light? Why does an apple appear red? The apple is not emitting red light.