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Unformatted text preview: Wave Mechanics Sinusoidal wave: Velocity of wave (v): v = Î»Î½ Î» = wavelength (length of cycle in m) Î½ = frequency (# of cycles per sec or Hz) x = distance (radians or degrees) A = amplitude of wave Ï† = phase angle x = distance = Î»Î½ t ) sin( Ï† + = x A A Wave Interference In phase constructive Exactly out of phase destructive Ï† = 180Â° ) sin( Ï† + = x A A Ï† = 0Â° Ï† = 90Â° Ï† = 0Â° Ï† = 0Â° ) sin( 2 Ï† + x A ) sin( x A ) sin( x A ) sin( x A ) sin( ) sin( ) sin( ) sin( = âˆ’ = + + x x x x Ï€ ) sin( Ï€ + x A Wave Interference by Light Double Slit Experiment S 1 = S 2 ~ Î» Light is an Electromagnetic Wave: â€¢ Oscillating magnetic and electric fields are perpendicular â€¢ Wave travels along the x direction at velocity, c = Î»Î½ = 3 x 10 8 m/s Wave Theory of Light ) sin( Ï† + = x E E ) sin( Ï† + = x M M x = t Î»Î½ Electromagnetic Spectrum of Light Î» = Î½ = ) sin( Ï† Î»Î½ + = t E E c = Î»Î½ = 3 x 10 8 m/s Î½ c = 1/Î» = Classical physics says amount of energy emitted should increase without...
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 Winter '09
 JAMESAMES
 Physical chemistry, pH, Photon, Light, Sin

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