ü-ù ùÿ ù ÿ ù -ùÿ ü ù ù . 2 10 " 12 " 0!&2 10 " . " 0 " 1. 2. 3.
.
4. 5. 6.
. /
7. 8. 9.
/ / /
10. 11. 12.
.
ù . 2 10 " 12 " 0!&2 10 " 2 # 2* # &12) " 1. 2. 3. 4. 5. 6. 7. 8.
9. 10. 11. 12. 13. 14. 15. 16.
17. 18. 19. 20. 21. 22. 23. 24.
25. 26. 27. 28. 29. 30.
ù . 2 10 " 12 " 0!&2 10 " 1# !&1 " 0 * 1. 2. 3. 4. 5.
02 ) Coulomb .2.12 10 " / 0!1 1 )"
6. 7. 8. 9. 10.
. !!)3 1 " #/! 0 / 0 2!) . !)20!. 2 1#$ )2 2.
ü ü ùÿûü ÿ þ ü ü ù
96
ù . 2 10 " 10 0!&2 10 " . 2 * 2* #
40. KF KF ⋅ − - ⋅ V × ⋅ P ⋅ V −
( = KI = ⇒ = = = − P = QP − ( ⋅ -
41. . rn = n 2 r1 = 4 2 r1 = 8,48 ⋅ 10 −10 m
ü 4 − ü 1 =
ü1 ü 15E 1 − E 1 = 21 − E 1 = − = 12,75 eV 2 16 n 4
42. ( ( = = Q = ⇒ Q = ( (Q Q
43. ( − ( =
=−
(
−
(
=−
( KF = KI = →
KF × ⋅ − - ⋅ V × ⋅ P ⋅ V −
=− = ⋅ − P − ( × − × ⋅ -
44.
KF P# = KI = ⇒#=
KF = P
× ⋅ − - ⋅ V × ⋅ P ⋅ V −
⋅
−
NJ × ⋅
−
P
= ⋅
P V
ù ÿ ù -ùÿ ü ù
97
45. H9 ⋅ − & × 9
H9 = KI ⇒ I = = = ⋅ +] − K ⋅ - ⋅V
46. KI = ( − ( =
(
− ( = −
( ( ⇒I =− → K
× − × ⋅ − -
I =− = ⋅ +] − × ⋅ - ⋅ V
47. PLQ =
FK ⋅ P ⋅ V − × ⋅ − - ⋅ V
= = ⋅ − P − H9 ⋅ & × 9
48. eV = hf = ñ!. =
hc hc ⇒ = eV
KF H9
. =
KF = H ⋅ 9
# 0 +" û = − =
− = − = −
49. PLQ =
FK FK ⋅ P ⋅ V − × ⋅ − - ⋅ V
⇒9= = = N9 H9 H PLQ ⋅ − & × ⋅ − P
ü ü ùÿûü ÿ þ ü ü ù
98
50. ú . . = H ⋅ 9 = NH9 = ⋅ − - , PLQ =
+
⋅ P ⋅ V − × ⋅ − - ⋅ V
FK ⇒ = = ⋅ − P − H9 ⋅ & × ⋅ 9
( KI I QP = = = = = ( KI I QP
51. . E n =
E1 n2
!. ü 2 =
E1 = −3,4 eV 22
# 0 +" 0 ! 0 . # ! 0 . . !! 3 10 2 2 0 . H9
ûü = ü 4 − ü 2 =
ü1 ü1 3ü − 2 = − 1 = 2,55 eV 2 16 4 2
52.
NH . ( = − ⇒ ( = − U
KI = ( ⇒
⋅
1P
× ⋅ − &
& × ⋅ − P
= − ⋅ − - = − H9
KF KF ⋅ − - ⋅ V × ⋅ P ⋅ V −
= ü ⇒ = = = ⋅ − P = QP − ( ⋅ -
ù ÿ ù -ùÿ ü ù
99
53. . . = H × 9 − 9 = H9 KF KF ⋅ − - ⋅ V × ⋅ P ⋅ V −
H9 = KI = ⇒ = = = ⋅ − P = QP − H9 ⋅ & × 9
54. KF KF ⋅ − - ⋅ V × ⋅ P ⋅ V −
( = KI = ⇒ = = = ⋅ − P = QP − ( × ⋅ -
55. ù # 1 # 0 )2 # !$ # 0 2!) . 12 12 ± H9 2)20 0 $ 12 0 ! 0 . 1 * 2 # .2) # 0 . H9 ñ!. 0 $ 12 2 0 ! 0 . 2& 0 2! & ! 0 . 0 . H9 . 2 1 # . 2. 0 2.$* 0 ! 0 . 0 . 2 # $ 12 9 .=
P# ⇒ # =
. = P
× × ⋅ − -
P = ⋅ − V ⋅ NJ
56. ( − ( = − H9 − − H9 = H9 . = H9 − H9 = H9 = ⋅ − =
P# ⇒ # =
= P
× ⋅ − -
P = ⋅ V ⋅ − NJ
100
ü ü ùÿûü ÿ þ ü ü ù