Paint Mixing

How is mixing the colors of light different than mixing colors of paint?

Need some help with science homework.

Mixing colors of light results int the superposition to produce different wavelengths .

For further reading use this book
RESNICK, HALLIDAY & WALKER

http://www.4shared.com/file/21690064/3fd66c4f/Halliday-Resnick-Walker_-_Fundamentals_of_Physics.html?s=1

Auto Painting : How to Mix Auto Paint