Forest ModernPhysics - Revision history

Oborn: /* Balmer-Rydberg Formula */

2009-09-30T15:59:13Z

Balmer-Rydberg Formula

2009-09-30T15:57:51Z

Balmer-Rydberg Formula

2009-09-30T15:57:31Z

Balmer-Rydberg Formula

2009-09-30T15:57:01Z

Balmer-Rydberg Formula

2009-09-30T15:56:32Z

Balmer-Rydberg Formula

2009-09-30T15:56:00Z

Balmer-Rydberg Formula

2009-09-30T15:55:42Z

Balmer-Rydberg Formula

2009-09-30T15:55:26Z

Bragg Diffraction

2009-09-30T03:07:55Z

Davisson and Germer

2009-09-30T03:06:18Z

Davisson and Germer

← Older revision		Revision as of 15:59, 30 September 2009
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	where <math>n > n^\prime</math> and both are integers		where <math>n > n^\prime</math> and both are integers
		+
		+
		+	== Bohr Model of the Atom==


	[http://wiki.iac.isu.edu/index.php/Forest_Classes] [[Forest_Classes]]		[http://wiki.iac.isu.edu/index.php/Forest_Classes] [[Forest_Classes]]

@@ Line 95: / Line 95: @@
 where
-: <math>R = 0.0110 nm^{-1}</math>
+: <math>R = 0.0110 \mbox{nm}^{-1}</math>
 Rydberg generalized the eqation to

← Older revision		Revision as of 15:57, 30 September 2009
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	<math>\frac{1}{\lambda} = R \left ( \frac{1}{4} - \frac{1}{n^2}\right )</math>		<math>\frac{1}{\lambda} = R \left ( \frac{1}{4} - \frac{1}{n^2}\right )</math>
		+
		+	where
		+	: <math>R = 0.0110 nm^{-1}</math>

	Rydberg generalized the eqation to		Rydberg generalized the eqation to

@@ Line 98: / Line 98: @@
 <math>\frac{1}{\lambda} = R \left ( \frac{1}{n^{\prime^2}} - \frac{1}{n^2}\right )</math>
-where <math>n > n^\prime</math>
+where <math>n > n^\prime</math> and both are integers
 [http://wiki.iac.isu.edu/index.php/Forest_Classes] [[Forest_Classes]]

@@ Line 96: / Line 96: @@
 Rydberg generalized the eqation to
-<math>\frac{1}{\lambda} = R \left ( \frac{1}{n^{\prime}^2} - \frac{1}{n^2}\right )</math>
+<math>\frac{1}{\lambda} = R \left ( \frac{1}{n^{\prime^2}} - \frac{1}{n^2}\right )</math>
 where <math>n > n^\prime</math>

← Older revision		Revision as of 15:55, 30 September 2009
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	[[File:Bragg_Diffraction_Illusstration.png \| 400 px]]		[[File:Bragg_Diffraction_Illusstration.png \| 400 px]]
		+
		+	= Quantization of Atomic Energy Levels=
		+
		+	== Absorption==
		+
		+	Shine white light on a gas then send the transmitted light through a prism you will see some wavelengths are mission.
		+
		+
		+
		+	== Emission ==
		+
		+	Heat up a gas and light of specific wavelengths will be emitted.
		+
		+	== Balmer-Rydberg Formula==
		+
		+	Balmer found that the specific wavelengths oberved using Hydrogen obeyed the relation
		+
		+	<math>\frac{1}{\lambda} = R \left ( \frac{1}{4} - \frac{1}{n^2}\right )</math>
		+
		+	Rydberg generalized the eqation to
		+
		+	<math>\frac{1}{\lambda} = R \left ( \frac{1}{n^2\prime^2} - \frac{1}{n^2}\right )</math>
		+
		+	where <math>n > n^\prime</math>
		+

	[http://wiki.iac.isu.edu/index.php/Forest_Classes] [[Forest_Classes]]		[http://wiki.iac.isu.edu/index.php/Forest_Classes] [[Forest_Classes]]

@@ Line 37: / Line 37: @@
 : <math>2 d sin \theta = n \lambda</math>
-where <math>d</math> is the spacing between crystal planes, <math>\theta</math> is the reflected angle, and <math>\lambda</math> is the X-ray wavelength. The order of the diffraction maxima is given by <math>n</math>.
+where <math>d</math> is the spacing between crystal planes, <math>\theta</math> is the reflected angle, and <math>\lambda</math> is the X-ray wavelength. The order of the diffraction maxima is given by <math>n</math>. The picture below should have a max in the center but the intensity is so high that it has been blocked in order to avoid washing out the picture.
 [[File:X-rayInterferencePattern.gif | 100px]]

@@ Line 33: / Line 33: @@
 ==Davisson and Germer==
-We know that X-rays having a wavelength of <math>\lambda_{X-rays} = 7.1 \times 10^{-11} \mbox{m}</math> make a diffraction pattern on an aluminum foil.
+We know that X-rays having a wavelength of <math>\lambda_{X-rays} = 7.1 \times 10^{-11} \mbox{m}</math> make a diffraction pattern on an aluminum foil.  The waves diffract around the obstacle and then constructively interfere according to
 [[File:X-rayInterferencePattern.gif | 100px]]