Post on 25-Sep-2015
description
20 2015
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1. 2. 3. 4. 5. ) ) ) ) ) 1) () : d = N => d = N
B : d = N == > d = NB
E N
= NB
=>
=
B2) ()
92238 90234 + 24 ( 1 )
90234 92234 + 2 + 2 ( 2 ) 3) (ii) F = Fc = > => 2 =
2
n=1 2 =
2
1 ( )
n=4 2 = 2
4 ( ) r4 = n2r1 = 16 r1
M : 2
2=
2
12
161
=> 2
2= 16
1=>
= 4
1) = 1 = - ( - 13,6 ) =- 13,6 Ev 2) 11 + 37 24 + 24
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3) Q = M - M = 938,28 + 6533,87 ( 2* 3727,4) = 17,35 eV 4) : + U = + U => = Umax => =
=> = ( 3)
=> 0,3*1,6*10 -13 = 9 10
9 31,6 1019 1,6 1019
=> .,..=> = 14,4 10-15 m < r 1. min=50pm=50 10 12
min = eV
V = che min
V = 3 10 8 23 10 33
1,6 10 19 50 10 12 V = 2 10 25
8 10 30
V = 10 5
4 V = 2,5 10 4 V = 25.000 V
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