8. You know that light hitting a CD is diffracted into a rainbow. Let's use this fact to get a rough estimate of the spacing of the adjacent recording pits on the CD. Consider this to be just like a diffraction grating, and we will guess we get a reasonable diffraction angle of 10° for light of 500 nm. What must be the spacing |between those pits?
8. You know that light hitting a CD is diffracted into a rainbow. Let's use this fact to get a rough estimate of the spacing of the adjacent recording pits on the CD. Consider this to be just like a diffraction grating, and we will guess we get a reasonable diffraction angle of 10° for light of 500 nm. What must be the spacing |between those pits?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter27: Wave Optics
Section: Chapter Questions
Problem 30PE: What is the spacing between structures in a feather that acts as a reflection grating, given that...
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