Physics, 30.08.2019 18:30 robert7248
The amplitude for the absorption of a plane-polarized electromagnetic wave off a one- electron atom is proportional to1 here r is the electron position operator and p is the electron momentum operator. ip) and iv) are, respectively the initial and final electronic states. the vector k is in the directioin of the plane wave, and its magnitude k-. iki is the wave number. the angular frequency of the wave is ï-ck. îµ is the polarization of the electromagnetic wave. it is a unit vector perpendicular to k: á» . î-1 and î. k-0. the components of k and ofe are ordinary numbers, not operators.] let hh) be the 1s state of a hydrogen atom, and l) be the 2s state. suppose the wavelength of the radiation is long enough so that ka < 1, where a is the bohr radius. then if you compute the amplitude by expanding etkr, your answer will be a power series in ka. what is the first non-vanishing term in this expansion? [write this term as an integral, or sum of integrals, over hydrogen atom wave functions. don't take the time here to evaluate these integrals.]
Answers: 1
Physics, 21.06.2019 13:50
Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.
Answers: 1
Physics, 22.06.2019 09:50
Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.
Answers: 1
Physics, 22.06.2019 16:30
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
The amplitude for the absorption of a plane-polarized electromagnetic wave off a one- electron atom...
Mathematics, 16.10.2020 07:01
Mathematics, 16.10.2020 07:01
Geography, 16.10.2020 07:01
Law, 16.10.2020 07:01
Advanced Placement (AP), 16.10.2020 07:01
Mathematics, 16.10.2020 07:01
Computers and Technology, 16.10.2020 07:01
English, 16.10.2020 07:01
Geography, 16.10.2020 07:01
Mathematics, 16.10.2020 07:01
Mathematics, 16.10.2020 07:01
Mathematics, 16.10.2020 07:01
Mathematics, 16.10.2020 07:01
Social Studies, 16.10.2020 07:01