Answers: 1
Physics, 21.06.2019 20:40
If an object with an initial temperature of 300 k increases its temperature by 1Ā°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6Ā°f (b) 10Ā°f (c) 18Ā°f (d) 30Ā°f
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 springāmass 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 (ādark absorption linesā)? explain briefly.
Answers: 3
Physics, 22.06.2019 12:00
Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter
Answers: 1
How and why does a day measured with respect to the Sun differ from a day measured with respect to t...
Mathematics, 10.06.2021 23:40
English, 10.06.2021 23:40
Mathematics, 10.06.2021 23:40
Mathematics, 10.06.2021 23:40
Mathematics, 10.06.2021 23:40
Mathematics, 10.06.2021 23:40
Mathematics, 10.06.2021 23:40
Mathematics, 10.06.2021 23:40
Mathematics, 10.06.2021 23:40