L04S09_Light_particles_photons+01-27-10 (1)

Pines mkubinec hnitsche ucb 1 chem 1a l4 light

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

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

Unformatted text preview: H.Nitsche, UCB 1 Chem 1A, L4: "Light: Intensity, Particles, Photons" ChemQuiz© 4.1 Glass is transparent. transparent. Which one is its absorption its absorption spectrum spectrum ? A) I ©2010 Pines,Kubinec, Nitsche, UCB I II III UV VIS IR B) II C) III L4-4 Electromagnetic Spectrum 400 500 Visible 600 700 nm Light Intensity The Particle Nature of Light The Summary γ-rays x-rays UV IR MW Radio, NMR, MRI 10-16 10-12 10-8 © A.Pines,M.Kubinec,UCB 10-4 100 104 108 m L7-4 ©2002 A.Pines,M.Kubinec, UC Ephoton = h L8-6 Photoelectric Effect The Particle Nature of Light The Light-Wave / Particle LightDuality Wave (length) I II eΦ Ekin Particle (Momentum) c Wave h = p Duality p=mc Particle p= h Ephoton = h © A.Pines,M.Kubinec,UCB Ekin= h - Φ = h - ho L7-2 ©2010 Pines,Kubinec, Nitsche, UCB © A.Pines,M.Kubinec,UCB L4-6 L7-6 Profile of radiation emitted from a blackbody ΔE = nhν n=1,2,..,n Plank’s Constant: h...
View Full Document

This note was uploaded on 04/24/2010 for the course CHEM 1A taught by Professor Nitsche during the Spring '08 term at Berkeley.

Ask a homework question - tutors are online