# ch13 mp2 atom&nucleus[2]

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• 13.2

• ..1900 (.. 2443) 1.

• E = (N/C) B = (T) R = (m) "" ..1897 1.75x1011 C/kg http://hello.to/chemku

• .. 1911 (scattering)

• .. 1909 ( 1.6 x10-19 C) (e/m) 9.1x10-31 kg 1/2000 http://hello.to/chemku() q = (c) m = (kg) g = (m/s2) V = (V) d = (m)

• ..1896

3 http://hello.to/chemku

• .. 1911 http://hello.to/chemku

• http://hello.to/chemku 108 10-8 10-4 10-14 10-14-10-15 m

• (Niel Bohr) .. 2456

• (stationary state) L h/2 h m (kg) v (m/s) r (m) n 1, 2, 3,

• 3. EiEf E + h ( n r Ei n Ef )

E - h ( n Ei n Ef )

• +e 1 e

• Ek Ep r E E

• v = nh/2mr 2 n = 1, 2, 3, n n = 1 r1, 4r1, 9r1,

• m, e, 0, h e (eV) n = 1, 2, 3, n = E1, E2, E3, E

• E2, E3, , E (excited state) n n E1 (ground state)

• Ei Ef R = 1.097x107 m-1

• 13.6 eV 13.6 eV

11 eV E2 - E1 = 10.2 eV n = 1 n = 2 10.2 eV n = 1 = -13.6 eV

• 0.85 eV n = 2 ? Ei = - 0.85 eVn = 4 n = 2 Ei = E4 = - 0.85 eVE = Ei - Ef = E4 E2 = (- 0.85) - (-3.4) eV = + 2.55 eV E = + 2.55 eV 2.55 eV E = Ei - Ef

• 3. (electron cloud)

n, l , s

• (fundamental particles) 200 4.

• (bata decay) -210 -210 (MeV)00.51.0

• (neutrino) .. 2499

• (antiparticle) (negative proton) ( antiproton, )

• 1,872 MeV 1.02 MeV (antineutron, ) (antineutrinos, )

• 3 ( + , - ) 273 (0) 264 10-8 (Meson) 10-16 - +

• + - 207

• (strange particles) (K mesons) (hyperons) 967 (strange particles)

• 2 K+ K- K- K+ 2 4 (-hyperons) (-hyperons) ( -hyperons) (-hyperons) o o + - o 2 - o

• (1) (photons) (2) (leptons) (mesons) (baryons) 3/2 4 ( hadrons)

• ( me )(e) ( h) ()001()00e-1-1e+-2.7-12.2 x 10-6++273+102.55 x 10-8-o264001.9 x 10-16(o )K+967+101.22 x 10-8K-974001.0 x 10-10974006 x 10-8

• ( me )(e) ( h) ()p1836+1no183901.01x 10-3o218202.5x 10-10

+2327+10.8 x 10-10-2340-11.6 x 10-8o2332010-122580-110-102570010-10-3276-110-10

• 10-20 (resonance particles) (quarks) ( e) ( e)

• 2. = = = + - 1.

m = = 9.1x10-31 kg v = r = n = (1, 2, 3, ...)h = = 6.6261x10-34 J.s ( m) =

• n, l , s n = = 1, 2, 3, 4, 5, 6, K, L, M, N, O, P, = 2n2 l = = 0, 1, 2, 3 , 4, 5, , (n-1) s, p, d, f, g, h, = 2 ( 2l +1) s =

• (1) (photons) (2) (leptons) (mesons) (baryons) 3/2 4 ( hadrons) (quarks)

• , 2, 3, , 2535D.C. Giancoli. Physics Principles with Applications, 3rded., Prentic-Hall, ISBN: 0-13-666769-4, 1991.D. Halliday, R.Resnick and K.S. Krane. Volume Two extended Version Physics, 4th ed., John Wiley & Sons, 1992.R.A.Serway, Physics for Scientists & Engineers with Modern Physics, 4th ed., 1996.http://www.physics.sci.rit.ac.thhttp://www.colorado.edu/physics/2000/index.plhttp://www.dctech.com/physics/tutorials.php

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