Show that the differential cross section for the photoelectric effect in which an electron in the ground state of hydrogen is ejected when the atom absorbs a photon is given by h ky(e k = 320 mw do [(1/a)+qr where q ki kf. assume the ejected electron is sufficiently energetic that the wave function for the electron can be taken to be the plane wave ekr (rlk) v where p hk, is the momentum of the electron and ak, is the momentum of the incident photon. suggestion: the cross section is the transition rate divided by the incident photon flux, which is equal to c/v in the box normalization used in this chapter.

b

step-by-step explanation: a third of 24 is 8, 8 times 3 is 24 so 8 - 2 would be 6

small = small current large mag large current

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.