Lecture 33 - Recap of last lecture Consequences of the...

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Recap of last lecture Consequences of the postulates of special relativity : 1. Time in moving frames is dilated t = t’ 2. Length in moving frames is contracted l = l’/ 3. = 1/(1-u 2 /c 2 ) 1/2 4. The complete Lorentz transforms are given by: t’ = (t - ux/c 2 ) x’= (x – ut) Derived from (∆s’) = (∆s) (Space-time interval) = [(c*time-interval) 2 - (space-interval) 2 ] 1/2
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Photons, Electrons, and Atoms Wave nature of Particles
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Line spectra A pure atomic sample can be sealed in a glass tube and heated by electrical discharge. The light emitted when atoms excited by the electrical energy is released takes the form of distinctly colored lines. These lines will always form the same pattern for a given atom, which is very unlike the behavior of white light.
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Blue light striking a sample of Cs will emit light while red light will not. The energy of blue light exceeds the ionization energy of Cs outermost electron. When a blue light
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This note was uploaded on 01/27/2012 for the course PH 2233 taught by Professor Dipinkardutta during the Spring '11 term at Mississippi State.

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Lecture 33 - Recap of last lecture Consequences of the...

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