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Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV.
a) What is the resonant absorption wavelength?
b) What is the spontaneous emission wavelength?
c) What is the stimulated emission wavelength?
d) Explain the differences between the light produced by spontaneous and stimulated emission.
What other social and religious impacts is Fontanelle mentioning?
The spring is kept from pushing them apart, since they are holding each other. When they release their arms, Al moves off in one direction at a speed of 1.16m/s, while Jo moves off in the opposite direction at a speed of 0.973m/s. Assume that frictio..
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The combined mass of the professor and the chair is 90-kg. He is pushed 2.60-m along the incline by a group of students who together exert a constant horizontal force of 600-N. The professor speed at the bottom of the ramp is 1.75m/s. use the work..
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How to compute the average force
An uncharged capacitor and a resistor are connected in series to a source of emf. If e m f = 9.00 V, C = 15.0 µF, and R = 100 ?, find the charge on the capacitor after one time constant
A radio galaxy has an angular extent of 2°, and the associated optical galaxy has its spectral lines redshifted by 15% of their rest wavelength
A particle with a charge 3.2 x 10^-19 C is moving at a speed of 5x10^7 m/s that makes an angle of 40 degrees with respect to a uniform magnetic field B, Determine the magnetic field strength B
How does the mass and electric charge of a proton compare with the mass and charge of an electron?
what are the wavelengths of electro magnetic waves in free space that have frequencies of a) 5.00 x 10^19Hz, b) 4.00 x 19^9.
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