Physics, 21.11.2019 21:31 scheyennekreger
Ga beam of light incident on a smooth flat mirror at an angle of 25o relative to the surface normal of the mirror. what is the angle of the reflected beam of light made with the surface normal?
Answers: 1
Physics, 22.06.2019 07:30
Some material consisting of a collection of microscopic objects is kept at a high temperature. a photon detector capable of detecting photon energies from infrared through ultraviolet observes photons emitted with energies of 0.3 ev, 0.5 ev, 0.8 ev, 2.0ev, 2.5ev, and 2.8ev. these are the only photon energies observed. (a) draw and label a possible energy-level diagram for one of the microscopic objects, which has four bound states. on the diagram, indicate the transitions corresponding to the emitted photons. explain briefly. (b) would a spring–mass model be a good model for these microscopic objects? why or why not? (c) the material is now cooled down to a very low temperature, and the photon detector stops detecting photon emissions. next, a beam of light with a continuous range of energies from infrared through ultraviolet shines on the material, and the photon detector observes the beam of light after it passes through the material. what photon energies in this beam of light are observed to be significantly reduced in intensity (“dark absorption lines”)? explain briefly.
Answers: 3
Physics, 22.06.2019 12:30
Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?
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Physics, 22.06.2019 16:20
What is the single most important equation in all of physics?
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Physics, 22.06.2019 17:00
What equation is used to calculate the weight of an object on a plant ?
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Ga beam of light incident on a smooth flat mirror at an angle of 25o relative to the surface normal...
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