Which of the following statements is TRUE?
a. Energy of band gap does not matter
b. In orde...
Physics, 19.08.2021 03:50, meganwintergirl
Which of the following statements is TRUE?
a. Energy of band gap does not matter
b. In order for a photon to excite an electron over the energy band gap the energy of the photon must be greater than the energy of the band gap
c. In order for a photon to excite an electron over the energy band gap the energy of the photon must be equal to the energy of the band gap
d. In order for a photon to excite an electron over the energy band gap the energy of the photon must be less than the energy of the band gap
Answers: 2
Physics, 21.06.2019 17:20, nicole667
Write maxwell's equations and discuss the terms involved and the results of each equation in classical electrodynamics. if it is possible to write these equations in integral form, give the integral forms. find the wave equation for electromagnetic waves from the maxwell equations. what is the propagation velocity of electromagnetic waves in space according to the wave equation you find?
Answers: 3
Physics, 22.06.2019 03:00, lex1kkkk
An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d
Answers: 1
Physics, 22.06.2019 09:00, alisonnn101
A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
Answers: 1
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