Lecture 13 - Quantum mechanics

Lecture 13 - Quantum mechanics - Wave Mechanics Sinusoidal...

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Unformatted text preview: Wave Mechanics Sinusoidal wave: Velocity of wave (v): v = = wavelength (length of cycle in m) = frequency (# of cycles per sec or Hz) x = distance (radians or degrees) A = amplitude of wave = phase angle x = distance = t ) sin( + = x A A Wave Interference In phase constructive Exactly out of phase destructive = 180 ) sin( + = x A A = 0 = 90 = 0 = 0 ) sin( 2 + x A ) sin( x A ) sin( x A ) sin( x A ) sin( ) sin( ) sin( ) sin( = = + + x x x x ) sin( + x A Wave Interference by Light Double Slit Experiment S 1 = S 2 ~ Light is an Electromagnetic Wave: Oscillating magnetic and electric fields are perpendicular Wave travels along the x direction at velocity, c = = 3 x 10 8 m/s Wave Theory of Light ) sin( + = x E E ) sin( + = x M M x = t Electromagnetic Spectrum of Light = = ) sin( + = t E E c = = 3 x 10 8 m/s c = 1/ = Classical physics says amount of energy emitted should increase without...
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This note was uploaded on 04/06/2011 for the course CHEM 107B taught by Professor Jamesames during the Winter '09 term at UC Davis.

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Lecture 13 - Quantum mechanics - Wave Mechanics Sinusoidal...

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