lecture08 - Reflection 1 2 2 1 = 1 2 in out normal to...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Reflection 1 2 2 1 = 1 2 in out normal to surface b) Diffuse reflection a) Mirror reflection c) Reflection from curved surfaces acoustical mirrors (curved mirrors) whispering galleries S S source image wall (mirror) Refraction: Snells Law 2 2 1 1 sin sin n n = index of refraction: v c n = 1 2 1 2 f f = 1 2 1 2 2 1 = = v v n n Example: 1 2 2 3 n 1 n 2 n 3 3 3 2 2 1 1 sin sin sin n n n = = 1 3 1 3 If = = n n 2 3 from t independen is n 1 2 1 2 1 2 sin sin = = v v In optics: Sound waves in atmosphere when temperature varies with height Sound traveling against the wind Mirage Speed of Sound F v = Speed of waves in strings (review): Speed of longitudinal waves in a solid rod: E v = E- Youngs modulus - density m - mass V - volume F- tension - linear density m - mass L length of the string L m / = V m / = The Youngs modulus is the stress divided by the strain....
View Full Document

This document was uploaded on 02/11/2012.

Page1 / 6

lecture08 - Reflection 1 2 2 1 = 1 2 in out normal to...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online