1.¸Ÿิสิกส์-pat2-อ.... · ±w zt¥ ° Ù~¤ ¯ Ù°w Ô Í ¨· 25 _____ § ¥ ¥ Ù...

61
§¥¥Ù ΩvÛ (102) ____________________________ ±wzt¥°Ù~¤¯ Ù°wÔ Í¨· 25 ¼¥¤¨·  t  ({¥t¥t³Ö ) ¯ª· z¨·Ö z¬¯Ý§¯ (Ö zÎt±{Ù²Ö¥t) 1. ____________________________ A. ____________________________ 2. ____________________________ B. ____________________________ 3. ____________________________ C. ____________________________ 4. ____________________________ D. ____________________________ 5. ____________________________ E. ____________________________ 6. ____________________________ F. ____________________________ 7. ____________________________ G. ____________________________ 8. ____________________________ H. ____________________________ 9. ____________________________ I. ____________________________ 10. ____________________________ J. ____________________________ 11. ____________________________ K. ____________________________ 12. ____________________________ L. ____________________________ 1. °Õ¤t/¬ 1. Ö z¼¥ Short Note 2. °ÕÕ 2. ¥tÎt±{Ù°£w§³Õ  t²Ö Open Book 3. ¥¤°¨·±{Ù¥²Ö¯{ ¼¥tÕ {£³¬¯| 4. ¼¥ Shortest Route 3. Ît{¤¯¥¯ ({¼¥ zt¥ ) (¥¯Ö¥zw¼¥¨·¤¸¨·«) 4. ¯ª· uÖ §¥{¥tt¥Ît ²Ö{§¸z³ÖÖ¥uÖ 5. ¯¶/ w  w¼¥¥ °£{z Short Note ¯ ¥³Ö 6. (Ö¥{¼¥¯Ý) ²Ö¯¥°¬uÖ   5.  Õ¥/Ît ¥¼¥¤w¥¼¥w¤ 7. £¤z ! wÕ¥wz¨·/²}Ö¥¨·uÖ  t¼¥ (¯Ö /¯ª· z¨·  t ¥ttÕ )

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Page 1: 1.¸Ÿิสิกส์-PAT2-อ.... · ±w zt¥ ° Ù~¤ ¯ Ù°w Ô Í ¨· 25 _____ § ¥ ¥ Ù Î ©v Û (103) PAT 2 uÖ Í 2555 §}¥ § ¥ ¥ Ù PART : PHYSICS {¼¥ uÖ %

(102) ____________________________ 25

( ) ( ) 1. ____________________________ A. ____________________________ 2. ____________________________ B. ____________________________ 3. ____________________________ C. ____________________________ 4. ____________________________ D. ____________________________ 5. ____________________________ E. ____________________________ 6. ____________________________ F. ____________________________ 7. ____________________________ G. ____________________________ 8. ____________________________ H. ____________________________ 9. ____________________________ I. ____________________________ 10. ____________________________ J. ____________________________ 11. ____________________________ K. ____________________________ 12. ____________________________ L. ____________________________ 1. / 1. Short Note 2. 2. Open Book 3. 4. Shortest Route 3. ( ) ( ) 4. 5. / Short Note 6. ( ) 5. / 7. ! / ( / )

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25 ____________________________ (103)

2555 PAT 2

PART : PHYSICS % %

22 7 12 12 3 6 10 22 13 6 10 32 15 4 7 39 2 4 7 46

50% 12 4 7 53 21 4 7 59 17 3 5 64 18 3 5 69 1 3 5 75 16 2 3 78

80% 14 2 3 81 4 2 3 85 6 2 3 88 19 2 3 92 7 1 2 93 10 1 2 95 11 1 2 97 5 1 2 98 9 1 2 100 20 0 0 100 8 0 0 100 59 100

PAT2 2555

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(104) ____________________________ 25

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25 ____________________________ (105)

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(106) ____________________________ 25

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25 ____________________________ (107)

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(108) ____________________________ 25

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25 ____________________________ (109)

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(110) ____________________________ 25

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25 ____________________________ (111)

1. A, B C

A B C

C

1)

A B C+ -+ -

+ -+ -

+ -+ - 2)

A B C- +- +

- +- +

- +- +

3)

A B C++

+ -+ -

--

++

-- 4)

A B C++

- +- +

--

++

--

2. +2Q +2Q

5 +2Q

1) 0 2) 5 3) 5 2 4) 25 3. R

+V0 4R ( ) r

1) 0rV21 2) 06rV2

1 3) 0rV2

3 4) 3 0rV

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(112) ____________________________ 25

4. M +Q D 37

1) 5Q

3MgD 2) 4Q3MgD

3) 3MgD

4Q 4) 3MgQD

5. 3C V0( 0) 5C

3C 5CV0

1) 0.250 V0 2) 0.275 V0 3) 0.375 V0 4) 0.400 V0 6. C1, C2, C3 C4 4, 1, 3 2

S

5

C1

C2

C3

C4

C1, C2, C3 C4 1) 0.00, 0.00, 0.00, 0.00 2) 2.50, 1.25, 1.25, 1.25 3) 2.50, 0.00, 0.00, 1.25 4) 1.25, 1.25, 1.25, 2.50

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25 ____________________________ (113)

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(114) ____________________________ 25

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25 ____________________________ (115)

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(116) ____________________________ 25

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25 ____________________________ (117)

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(118) ____________________________ 25

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25 ____________________________ (119)

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(120) ____________________________ 25

7. 2 l 2r 3l r

R 1) 12R 2) 4R 3) 4

3 R 4) 32 R

8. (RG) 1,500

2 10 (RS) 10

. RG . RG . RS . RS 1) . . 2) . . 3) . . 4) . . 9.

S

B

A C

S

1) A , C 2) A , B 3) A C 4) 10.

r R

= 10 V R 1) R = r 2) R = 2r 3) R = 5r 4) R = 10r

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25 ____________________________ (121)

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(122) ____________________________ 25

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25 ____________________________ (123)

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(124) ____________________________ 25

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25 ____________________________ (125)

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(126) ____________________________ 25

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25 ____________________________ (127)

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(128) ____________________________ 25

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25 ____________________________ (129)

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(130) ____________________________ 25

11.

(X) (Y) 2 1) 2 2) 2 3) X Y 4) X Y 12.

N

g

1) 2) 3) 4) 13. S . .

. .

S

1) 2) . . 3) . 4)

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25 ____________________________ (131)

14.

30

3 15 2 3

1) 0.060 2) 0.085 3) 0.135 4) 0.150 15. L I –y

x, y z 6, 7 8

1) 5 IL 2) 5IL 3) 10 IL 4) 10IL 16. 2 2

1) 2) 3) 4) 17.

1) N

S 2)

N

S

3) N

S 4)

N

S

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(132) ____________________________ 25

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25 ____________________________ (133)

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(134) ____________________________ 25

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25 ____________________________ (135)

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(136) ____________________________ 25

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25 ____________________________ (137)

18.

90 90

1) 0 2) 90 3) 120 4) 180 19. ( )

. . . 1) 1 2) 2 3) 3 4) 20.

1) A 2) B 3) C 4) D

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(138) ____________________________ 25

21. (VR)

L

~

RVR

1) 2) 3) 4) 1 22.

1) 2) 3) 4) 23. 4 1500 W 220 V AC

2 2 4

220 V AC

220 V AC

1 2 1) 2) 3) 4)

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25 ____________________________ (139)

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(140) ____________________________ 25

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25 ____________________________ (141)

24.

1) 2) 3) 4) 25. 720

3.0

8.0 cm

( )

1) 0.12 2) 0.22 3) 0.34 4) 0.68 26.

L

xd

L

dx = d sin = n

1) d 2) L 10d 3) 4)

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(142) ____________________________ 25

27. S1Q S2Q 1500 Q 600

Q

1S 2S

1) 2) 3) 4)

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25 ____________________________ (143)

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(144) ____________________________ 25

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25 ____________________________ (145)

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(146) ____________________________ 25

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25 ____________________________ (147)

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(148) ____________________________ 25

28.

1) F = 22q1kq

r 2) F = r

2mv

3) F = 22m1Gm

r 4) mvr = n

29. (

10-29 kg 10-14 m 10n eV )

1) 103 eV 2) 105 eV 3) 109 eV 4) 1011 eV 30.

I

V5.5

4.9

4.9 5.5 1) 2) 3) 4)

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25 ____________________________ (149)

31. (V0)

1) 2) 3) 4) 32. n = 3

1) 1.41 2) 1.91 3) 12.1 4) 14.1 33. . . . . 1) 1 2) 2 3) 3 4) 4 34. 2000

0.3 ( h = 4 10-15 eV.s 0.5 MeV/c2)

35. UV 6 10-19 UV

1) 390 nm 2) 330 nm 3) 1.30 fm 4) 0.33 fm 36. n = 4

n = 3 1) 3

1 2) 2

3) 34 4) 4

3

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(150) ____________________________ 25

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25 ____________________________ (151)

37. X n + U23592 Sm160

62 + Zn7230 + X

1) H11 3

2) H31

3) n 4 4) e0

1 3

38. Th23490 Pa234

91

1) Th23490 Pa234

91 + n

2) Th23490 Pa234

91 +

3) Th23490 Pa234

91 + e- +

4) Th23490 Pa234

91 + e+ + 39. . . . . 1) . 2) . 3) . . 4) 40. U-238 1) 2) 3) 4)

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(152) ____________________________ 25

41. A 6 1 4800 B 10 4

B 1) 1200 2) 1500 3) 2000 4) 2400 42.

( ) ( ) 1) 2) 3) 4) 43. -238 20

-238 1) 2) 5 3) 40 4) 80 44. A B 8

7 A 30 A

1) 3.75 2) 5 3) 7 4) 10

45. C146

11C(11.011433 u) 12C(12.000000 u) 13C(13.003355 u) 14C(14.003242 u) 13N(13.005739 u) 14N(14.003074 u) 15N(15.000109 u) 15O(15.003065 u) 16O(15.994915 u) 18O(17.999159 u) 0.000549 u 1 u = 930 MeV/c2

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25 ____________________________ (153)

46-48 3

u d s c b t

2.4 MeV/c2 4.8 MeV/c2 104 MeV/c2 1.27 GeV/c2 4.2 GeV/c2

171.2 GeV/c2

+2e/3 -e/3 -e/3 +2e/3 -e/3 +2e/3

46. ++( ++) u 3 ++ 1) +e

2) + 32 e

3) +2e

4) -2e 47. 1) uud 2) udd 3) uuu 4) ddd 48. 3 u, d s 1) 27 2) 15 3) 9 4) 3

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(154) ____________________________ 25

1. 4 25. 2 2. 2 26. 1 3. 2 27. 1 4. 2 28. 3 5. 3 29. 2 6. 4 30. 2 7. 1 31. 4 8. 3 32. 3 9. 2 33. 2 10. 1 34. 8 eV 11. 1 35. 2 12. 4 36. 3 13. 4 37. 3 14. 3 38. 3 15. 4 39. 1 16. 1 40. 3 17. 2 41. 3 18. 1 42. 3 19. 2 43. 4 20. 4 44. 4 21. 2 45. 0.16 MeV 22. 4 46. 3 23. 4 47. 2 24. 2 48. 1

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25 ____________________________ (155)

( )

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(156) ____________________________ 25

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25 ____________________________ (157)

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