lecturequiz 6 100909

lecturequiz 6 100909 - Bright bands s The upper wave has to...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Optics: Reflection, Refraction 05/25/2006 Lecture 16 Quick Quiz • Why do things look blurry to us when under water unless we use goggles? • A. Because of waves and other disturbances in the water • B. Because fish move faster than our eyes can move • C. Because the index of refraction of the lens in the eye is almost equal to that of water • D. Because water is bad for humans
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Bright bands s The upper wave has to travel farther than the lower wave s The upper wave travels one wavelength farther s Therefore, the waves arrive in phase s Bright fringes occur when the path length differs by exactly m Quick Quiz What is the difference in path lengths for the dark bands? A.m B.(m+1) C.(m+) D.(m+) E.Can not be predicted...
View Full Document

Ask a homework question - tutors are online