L04S09_Light_particles_photons+01-27-10 (1)

N planks constant h 663 x js 10 34 js 2010

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Unformatted text preview: = 6.63 x Js 10-34 Js ©2010 Pines,Kubinec, Nitsche, UCB L4-7 © A.Pines, M.Kubinec, H.Nitsche, UCB 2 Chem 1A, L4: "Light: Intensity, Particles, Photons" Intensity of light emerging from two columns Io 2 I0 4 L4-8 Io Io ©2010 Pines,Kubinec, Nitsche, UCB Light Intensity The The Particle Nature of Light Ephoton = h ©2010 Pines,Kubinec, Nitsche, UCB L4-9 Photoelectric Effect The Particle Nature of Light e- Ekin Φ I o II Ephoton = h ©2010 Pines,Kubinec, Nitsche, UCB Ekin= hν - Φ = h - ho L4-10 © A.Pines, M.Kubinec, H.Nitsche, UCB 3 Chem 1A, L4: "Light: Intensity, Particles, Photons" Chem Quiz© 4.2 Shining a beam of light on a certain metal has no effect. effect. What change would be most likely to eject electrons? electrons? A) Increase I Increase ©2010 Pines,Kubinec, Nitsche, UCB B) Decrease C) Increase E Decrease Increase L4-11 Chem Quiz© 4.3...
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This note was uploaded on 04/24/2010 for the course CHEM 1A taught by Professor Nitsche during the Spring '08 term at University of California, Berkeley.

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