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study-note-1-06 - 6.4 Why was Bohr's model ineffective Who...

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6.4 Why was Bohr's model ineffective? Bits of matter, such as electrons behave as waves. Who first proposed the wave model? Louis de Broglie. de Broglie's wave equation is λ = h/mv, ; name the variables λ = h/mv, λ = wavelength of matter, h = plank's constant, m = mass, v = velocity Use de Broglie's wave equation to explain why large objects do not seem like waves The huge m means a very small wavelength. How can the wave properties of light be shown? Through a diffraction experiment. (showing destructive and constructive interference) (as in fig. 6.16) Give an example showing that matter has wave properties. The existence of electron microscopy. 6.5 What name has been given to the current theory of electronic structure? Wave or Quantum mechanics (because it is based on a wave model of matter that predicts quantized energy levels). What two kinds of waves exist? Standing and traveling. Give an example of a standing wave. Guitar string, electron.
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