PHYS2DQuiz4Solutions

PHYS2DQuiz4Solutions - helium atom, Z=2, makes a transition...

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1.) Deduce the ratio of charges on the droplet corresponding to these two rise times, 46.0 s & 15.5 s, and show that it is the ratio of two small integers. ° = 0.6 cm 21.0 s ° 1 = 0.6 cm 46.0 s ° 2 = 0.6 cm 15.5 s ? 1 ? 2 = ° + ° 1 ° + ° 2 = 0.6185 8 13 or 3 5 2.) Using the Bohr Theory of the atom: a. Calculate the wavelength in meters of the photon emitted when a
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Unformatted text preview: helium atom, Z=2, makes a transition from the state n=3 to the state n=2. 1 = 2 1 2 2 1 3 2 = 1.641 10 7 m b. What is the radius of the n=2 orbit in meters? ? = 2 = 1.058 10 10 m...
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This note was uploaded on 12/07/2009 for the course PHYS phys 2d taught by Professor Hirsch during the Spring '08 term at UCSD.

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