The straight line 3x + 4y = 24 cuts the y - axis at the point A and cuts
the
x - axis at the p...
Physics, 09.06.2021 14:00 tinajackson3346
The straight line 3x + 4y = 24 cuts the y - axis at the point A and cuts
the
x - axis at the point. What is the distance AB?
Answers: 3
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
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If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.
Answers: 1
Physics, 23.06.2019 15:00
Which type of heating system is used to heat many buildings from a central location?
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