Ask your own question, for FREE!
Physics 14 Online
OpenStudy (anonymous):

In fact, in the reality perfect plane waves do not exist, such waves would have a unique propagation direction and infinite radiant intensity. However, to a very good degree of approximation we can treat the light from a small source as a plane wave if we are far enough away from the source. The light coming from a star represents a very good example of this.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
1 day ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!