7/24/2019 PAT 2.pdf

1/74

1

1. 1.(.. 52)5.27

1. 3 2. 2.6 3. 2.64 4. 2.635

2.(.. 52) 16.74 + 5.1 1. -3.14 2. 0.003 3. 99.99 4. 270.00

3.

(.. 55) A=5 1 , B=3 2 C=4 1

1. (-,1.0] 2. (1.0,3.0]3. (3.0,5.0] 4. (5.0,)

4.(.. 56) 5 1A , 3 2B 4 1C 2A BRC

RR

1. (0,1] 2. (1, 2]

3. (2,3] 4. (3,4]

2. -5.

(.. 52) 40 10 60 10 80 10

1. 60 2. 60 3. 60 4.

2A B

C

7/24/2019 PAT 2.pdf

2/74

2

6.(.. 52) 60 km/hr 1. 60 2. 60 3. 60 4. 60

7.

(.. 52)x02 ()

1. 04

x 2. 0

2

x 3. 2X0 4. 4X0

8. (.. 52) a v 2v

1.2v2 2. 4v2 3. 2a 4. 4a

9.(.. 52) (1 , 4) 1

0-3 1. 2. 3. 4.

7/24/2019 PAT 2.pdf

3/74

3

10. (.. 53) 4 5

1. 1 2 2. 2 33. 3 4 4.

11.(..53) 20 / 4

1. 47 2. 69 3. 92 4. 94

12.

(..53)

)0-8 11 )0-2 4-6

)

6-8 1. 1 2. 2 3. 4.

7/24/2019 PAT 2.pdf

4/74

4

13.(.. 54)

1. 2.

3. 4.

14.

(...54) 1 ................

1. 2. 3. 4.

15.

(.. 55)

1. A E 2. B E

3. C B 4. D C

7/24/2019 PAT 2.pdf

5/74

5

16. (.. 55)100 m 9.34 s0.4 m/s

1. (3.90,9.40]s 2. (9.40,9.50]s

3. (9.50,9.60]s 4. (9.60,10.00]s

17.

( .. 56)X

1. X

7/24/2019 PAT 2.pdf

6/74

6

-21.(.. 52) 2

1.

2

2. 3. 0.4 4.

22.

(.. 52) () ()

1. 2.

3. 4.

23.(..53) 2 1 2 50

1. 2. 3. 1 24. 1

7/24/2019 PAT 2.pdf

7/74

7

24.(.. 53) AB ()

1. 2. A B3. A B4.

25.(.. 53)A 10 B ()

1. A B2. 3. 4. 1

26.(..53) /

1. 5.3 2. 10 3. 16 4. 20

7/24/2019 PAT 2.pdf

8/74

8

27.(.. 53)

1. 20 2. 30 3.40 4. 50

28.

(.. 55) 2 1

1. 0.5 2. 1.0 3. 1.5 4. 2.0

29.(.. 55) 1. 2. 3. 4.

30.

(.. 55)

1. 2. 3.

4.

7/24/2019 PAT 2.pdf

9/74

9

31.(.. 55) 2 m/s y=+4 m 9.8 m/s2

1.

2.

3.

4.

3.

32.(.. 52) F

A B

1. A B B A2. A B B A3. A B B A

4. A B

33.

(.. 52) 0.45 1. 0.046 m/s2 2. 0.45 m/s2 3. 4.4 m/s2 4. 44 m/s2

24 2 4.9y t t 24 2 4.9y t t 24 2 4.9y t t 24 2 4.9y t t

7/24/2019 PAT 2.pdf

10/74

10

34.(.. 52) A B F A B mA > mB

1. 1 22. 1 23. 1 24. A B B A F

35.(.. 52) 0.5 20

1. 2 2. 4.1 3. 9.8 4. 40

36.(.. 53)

1. 2. 3. 4.

37.

(.. 53) 40 20 0.2

1. 20 2. 40

3. 60 4. 80

7/24/2019 PAT 2.pdf

11/74

11

38.(..53) m1 8.0 /2

m2m248 2 m2m11.1:1 2. 1:2 3.1:3 4. 1:4

39.(..53)

1. 2. 3. 4.

40.(..54) F2N

1. 2 N2. 2 N3. 2 N4. F 2 N

41.(.. 54) 2 2 / 2 6 /10 /

1. 5 2. 6 3. 8 4. 10

42.

(..55) 2 kg

1.2.3. 2g4. 2g

7/24/2019 PAT 2.pdf

12/74

12

43. (.. 55) g 9.8 m/s2g 300 km 5.95 x 1024kg G=6.67x10-11Nm2/kg2

1. (0.0,5.0]m/s2 2. (5.0,7.0]m/s2

3. (7.0,9.0]m/s2 4. (9.0,9.8)m/s2

44.(..56 )10 N 8 N F 2 kg4 kg

1.

2. 2 kg ( )3. 2 kg ()4.

45.

(..57)m 0.2 F=3mg

1. 3 2. 4 3. 5 4.6

7/24/2019 PAT 2.pdf

13/74

13

4.

46.(..53)2L 2W

2 (1/3)L

1.2.A (4/3)W 3.B (4/3)W 4.B (4/3)W

47.

(..54) m T

1. 2.

3. 4.

48.(.. 55) 2 2 4 10 20 1.0x1011/

1. 0 2. 0.5 3. 2 4.

2

mgT T

2

mg

T mg2

mgT mg

7/24/2019 PAT 2.pdf

14/74

14

49.(.. 55) W1 W2W

1. W1W2

W1+ W2

W

2. W1W2 W1+ W2W3. W1W2 W1+ W2W4. W1W2 W1+ W2W

50.(..56)

T1 T2 1. 1 2. 1 sin

3. cos 4.1

1 sin

5. 51.(.. 52) 1 10 20

2 1.

3105 2. 4102.5

3. 4107.5 4. 5101.5

7/24/2019 PAT 2.pdf

15/74

15

52.(.. 52). . 4 5 5

10 . A B 2 A

2 B1. 1 2. 2 3. 3 4.

53.

(.. 52)2 2

1.4

1 2.

2

1 3. 2 4. 4

54.(.. 52)

m T1T2

. T1T2. T1T2

. T1T2. 1. 2. 3. 4.

55.(.. 52) 50 30 14

1. 4 2. 6 3. 10 4. 15

7/24/2019 PAT 2.pdf

16/74

16

56.(.. 52)h

1. 2.

3.

4. ..

57.(..53)F 40 2 0.5 F

1.12.4 2. 17.3 3. 24.8 4. 34.6

58.(..54)

1. 2.

3. 4.

7/24/2019 PAT 2.pdf

17/74

17

59.(..54) m A AB

1. A B2. A B3. A B 4. A B

60.

(..54) m m v

1. 0 2. 1

3. 4.

61.

(.. 55) 50 10 1 ( )

1. 245 2. 490 3. 4900 4. 5390

62.

(.. 55) 2 kg .. 100 m 80 km/h (g=10 m/s2)1. (6,12]N 2. (12,18]N

3. (18,24]N 4. (24,50]N

63.(..56) 200 0.1 /4

1. 0.08 2. 78.53. 86.4 4.

m

M

M

m

7/24/2019 PAT 2.pdf

18/74

18

64.(..57) 0.5 10 100 100

1. 8 2. 8.5 3. 9 4. 9.5

6.65.(.. 52) 2

.

.

. 1. 1 2. 2 3. 3 4.

66.(.. 52) 80 40

0.21. 0.1 2. 0.2 3. 0.4 4. 0.6

67.(..53) 2 50 100 9 100

1. 3 2. 4 3. 5 4. 6

68.(..53) (projectile motion) 3 ()

1. 3 2. 3 3. 3 4. 1

7/24/2019 PAT 2.pdf

19/74

19

69.(..55) m M m m vxvy

1. vx 2. vx

3. 3.

70.(..55)2 kg 6 kg

100 J 6 kg

1. (0.0,1.0]m/s 2. (1.0,2.0]m/s

3. (2.0,3.0]m/s 4. (3.0,4.0]m/s

71.(..56) 1 kg +0.5 m/s 2 kg 1.0 N/m

1 kg +0.2 m/s 2 kg

1.2.3. 4. 1 kg

72.(..57) 0.5 20 2

1. 19.6 2. 28 3. 80 4. 82.5

x

mv

M

2 2

x y

mv v

M

7/24/2019 PAT 2.pdf

20/74

20

7. 73.(.. 52)

-------------

74.

(..54)

1. 2.

3. 4.

7/24/2019 PAT 2.pdf

21/74

21

75.(..54) A B uAuBB

. 00uu BA

. 00u,0uBA

. 00u,0uBA

. 00u,0uBA

1. 2. 3. 4.

76.(.. 54) A B uAuB A B B A

1.uAuB

2.uAuB3. A B uA uB4. A B uA uB

77.(.. 55) 10 m/s 30 1 (g=10 m/s2)

1. (10.0,10.4]m/s 2. (10.4,10.6] m/s

3. (10.6,10.8] m/s 4. (10.8,11.0] m/s

7/24/2019 PAT 2.pdf

22/74

22

78.(.. 56 ) u x

1. 2 sinx u 2. cos2x u 3. x u 4. 2x u

79.(..57)m16 A1 990 m/s 460m

1.0.5 2. 1.1 3. 1.6 4. 2.2

80.

(.. 52) 80 15 60

1. 300 N 2. 484 N 3. 784 N 4. 1084 N

81.(.. 52) 1. 2.3. 4. 1

82.(.. 52) 1 2 0.5

1.0 2. 2 3. 4 4. 8

83.(.. 52)

1. 2. 3. 4.

7/24/2019 PAT 2.pdf

23/74

23

84.(.. 52)m M r

1. 2r

GmM

F 2. 2

2

r

GmM

r

mv

3. r

GM

v (3)

1. (3)2.

3.(3) 4...

85.(.. 56) cos sinR x y

,x y x y 2 t t 0t 1

1. 2.

3. 4.

7/24/2019 PAT 2.pdf

24/74

24

86.(..57)

1. 1 2. 2 3. 3 4. 4

87.(.. 53)mA , mB ,.mC ,mDmA = 2mB ,mB = 0.5mC , mC = 3mDTA , TB ,TCTD

1. TA = TB = TC = TD

2. TA > TB , TB < TC , TC < TD

3. TA < TB , TB > TC , TC < TD

4. TA < TB , TB < TC , TC < TD

88.(.. 55)m T t=0

1.

2. 3. 4.

89.

(..56 )2 30

/2

0

3

4T

7/24/2019 PAT 2.pdf

25/74

25

1. 2.2 2. 4.2 3. 4.9 4. 9.8

90.(..57) 19.6 30

1.4.41 2. 4.62 3. 8.82 4. 9.24

8. 91.(.. 52)

.

.

. 1. 1 2. 2 3. 3 4.

92.(.. 52)M

1. 2.

3. 4.

7/24/2019 PAT 2.pdf

26/74

26

93.(.. 52)1,000 20 25010

1. 25g 3 2. 25g 3. 25g 2 4. 25g/ 2

94.(.. 55) r m I

1. 2. 3. 4.

95.(..56)30 0.5 0.5 / 0.1 /

1. 0.35 2. 0.42 3. 0.48 4. 0.60

96.

(..57) 50 10 20 300

1. 1 2. 2 3. 3 4. 4

tan2

tan

mr

I

2

tan

1 mr

I

2

tan

1 mr

I

7/24/2019 PAT 2.pdf

27/74

27

9. 97.(.. 52) 0.2

. 2.5 . 2.5 . 2.5

1. 1 2. 2. 3. 3 4.98.(..53) t =0 () 0.2 () 0.4 () 12 /

1. 10 2. 20 3. 30 4. 40

7/24/2019 PAT 2.pdf

28/74

28

99.(.. 55) 1 4

1. 2.

3. 4.

100. (.. 53)

..

7/24/2019 PAT 2.pdf

29/74

29

101. (.. 54)

1. 2. 3. 4.

102. (.. 55 ) 5 cm. I0 P x

1.0.88 2. 3.02 3. 3.54 4. 6.04

103.

(..56)2 910 / 5 /

1. (18 , 23) 2. (23 , 29)

3. (29 , 46) 4. (46 , 90)

104. (..57)2

45 25 1. 0.3 2. 0.9 3. 1.1 4. 3.6

7/24/2019 PAT 2.pdf

30/74

30

10.

105.

(.. 52)

1. 2. 3. 4.

106. (.. 52) 2

. .

. 1. 2. 3. 4.

107. (.. 52)

1. 2. 3. 4.

108.

(.. 52)T

T

1. 2. 3. 4.

109. (

.

. 52)

20

40

1. 2 2. 10 3. 20 4. 100

110. (.. 52) 2

1. 1.33 2. 1.6 3. 2.67 4. 4

7/24/2019 PAT 2.pdf

31/74

31

111. (..53)1 1 340/

1. 80 2. 255 3. 420 4. 695

112.

(.. 53) 20 1 2 340

1. 360 2. 540 3. 680 4. 960

113. (..53) 1. 2. 3. 4.

114. (..53)1 1 1 4 400 240 /

1. 85.0 2. 127.5 3. 148.8 4. 170.0

115.

(..54) 102 0.6 0.5

1. 85 2. 122 3. 170 4. 680

7/24/2019 PAT 2.pdf

32/74

32

116. (.. 54) 5,000 / 350/2

1. 750 2. 753 3. 1,022 4. 2,325

117. (.. 54) 100 20

1. 103.3 2. 111.3 3. 113.0 4. 131.0

118. (.. 55 )2,3, 4,...

1. 2. 3. 4.

119. (..55)1/100

1. 0.99/1.01 2. 1.01/0.99

3. 1.01/1.02 4. 1.02/1.02

120. (.. 55) 590 Hz. ..540 Hz /340 m/s

1. (0,30] 2. (30,85]

3. (85,130] 4. (130,190]

7/24/2019 PAT 2.pdf

33/74

33

121. (..56) 170/ 3 50 / 340 /

1. 5.9 2. 6.5 3. 8.8 4. 10.3

122. (..56) 1. 2. 3. 1800 4. 1

123. (..57) A

7/24/2019 PAT 2.pdf

34/74

34

11. 124. (.. 52) 100 0.15 0.60

1. 2.

3. 4.

125. (.. 52)

7/24/2019 PAT 2.pdf

35/74

35

1. 2.

3.

4.

126. (.. 52)

1. 2. 3. 4.

127. (.. 52)

1. 2. 3.

4.

128. (.. 52) 2 30

1. +10 2. +20 3. -30 4. +60

7/24/2019 PAT 2.pdf

36/74

36

129. (.. 52)

1. 2. 3. 4.

130.

(..53) 2 10-4 80 2 4.0

1. 400 2. 500 3. 600 4. 700

131. (.. 53) -..630 2002.0

1. 0.63 2. 1.26 3. 6.30 4. 12.6

132. (..54) ..650

2.0

1. 0.13 2. 0.26 3. 0.33 4. 0.65

7/24/2019 PAT 2.pdf

37/74

37

133. (..54)

1.2. 3. 4.

134. (..54) 1. 90 2. 90 3. 90

4. 90 ( )135. (.. 54) 1.5

1. 2. 3. 4.

136.

(.. 54). S1Q S2Q 1,300 Q 500

1. 2. 3. 4.

137.

(.. 55)1.2.3.4.

7/24/2019 PAT 2.pdf

38/74

38

138. (..55)

1 2

sinS Q S Q d n

1. R2>R3 E V Q

1. V1= V2= V3 , E1 < E2 < E3 , Q1 > Q2 > Q3

2. V1= V2= V3 , E1 > E2 > E3 , Q1 > Q2 > Q3

3. V1 Q2 > Q3

164.

(..57). . . . 1. 2. 3. 4.

165.

(..57) +Q +2Q -Q R

1.2

2

KQ

R 2.

2KQ

R 3.

2

2

KQ

R 4.

2KQ

R

7/24/2019 PAT 2.pdf

46/74

46

13.166.

(..52)t +Q1Q2 A

1.t

QQ21

2.

tA

QQ21

3.t

QQ21

4.

tA

QQ21

167. (..52) ..200 10

X Y R01. 2. 7003. 900 4. 1,100

168.

(.. 52)

1. (1) 2. (2)3. (3) 4. (1) (3)

7/24/2019 PAT 2.pdf

47/74

47

169. (.. 52) 2 1.5 .. 2V, 1W

1. 0.5 2. 0.75 3. 1.0 4. 2.0

170. (.. 52)

SW () 1. 2.

3. 4.

171.

(.. 52) A B A A B

1. 2. A B

3. A B4. A B

172. (.. 52)

7/24/2019 PAT 2.pdf

48/74

48

1 2 1.2. 3. 1 4. 2

173. (..53)

1. 0 2. 0.2 3. 1.4 4. 2.9

174.

(.. 53) 2,000100 2.5

1. 59.1 2. 65.2 3. 71.4 4. 83.3

175. (..53) 1213

2 1. 1 2. 2 3. 4 4. 6

7/24/2019 PAT 2.pdf

49/74

49

176. (..53)

1. 1.4 2. 2.2 3. 3.8 4. 4.6

177. (..54) ....

s A B

1. A B 2. A B 3. A B 4. A B

7/24/2019 PAT 2.pdf

50/74

50

178. (..55)

r= R=

=

1. 2.

3. 4.

179. (.. 55) 2 r 3 3r R

1. R/3 2. 3R 3. 9R 4. 27R

180. (..56) ( ) R 1

1. R 2. R 3. R 4.

181. (..57) 1.51 1.40.5 0.1

1.1 1.51.4

2. 1 0.13. 1 0.1

4. 1 0.1

1

0.1R r R r

10R r 100R r

7/24/2019 PAT 2.pdf

51/74

51

14.

182.

(..52). . . .

()1. 2. 3. 4.

183.

(.. 52)3

1.1 2.1 23. 2 3 2 34. 2 3

184. (..53)6.4 10-19 1.0 10-20 2.0 106

/ 1.0 ./

1. 0 2. 2 10-14 3. 2.8 10-14 4. 4.0 10-14

7/24/2019 PAT 2.pdf

52/74

52

185. (.. 53)S A B

1.2. B A3. B4.

186. (..54)L I+Z x, y z 1 , 2 3

1. 2.

3. 4.

187. (.. 55)2

1.

2. 3. 4.

188. (.. 54)

1. 2. 3. 4.

3IL 2IL

5IL 3IL

7/24/2019 PAT 2.pdf

53/74

53

189. (..56) AB 2 0.2 5

1. 0 2. 0.02 N , 3. 0.02 N , 4. 0.02 N ,

190.

(..57)3

1. 2. 3.

4.

7/24/2019 PAT 2.pdf

54/74

54

191. (..57)

7/24/2019 PAT 2.pdf

55/74

55

15.192.

(.. 52)

1. 2. 3. 4.

193. (.. 52) 220 VAC 50 Hz 1. 2202. 100 3.

220/ 2 4. 2,200 10

194.

(..53) 5 2 V = 100sin20t

1. 10 2. 210 3. 20 4. 220

195. (.. 53) 0.04 1222 50sin (100 t)

1. 4.14 2. 6.25 3. 8.84 4. 17.7

196. (..53) (V R )

1. 2. 3. 4. 1

7/24/2019 PAT 2.pdf

56/74

56

197. (..54)()

.....

1.1 2.2 3.3 4.0 ()

198.

(.. 55) .

.

90

.

90

1. 2. 180 3. 180 4.

199.

(..56) (emf)

1. emf2. emf3. emf4. emf

200. (..57) ()

1. 2.

3. 4.

7/24/2019 PAT 2.pdf

57/74

57

16. 201.

(.. 52)+z x

1. +x 2. +y 3. y 4. z

202. (.. 52)FM 100 MHz 1 kW 100 4,000 Hz 100 MHz

1. 100 MHz 2. 3.

4.

17. 203. (.. 52)

1. 2. 3. 2 4. 4

204. (..53)A B 2 : 1 B 2 A A B

1. 0.5 2. 1 3. 2 4. 4

7/24/2019 PAT 2.pdf

58/74

58

205. (..54) 2 1 0.21 /

1. 2.

3. 4.

206. (..56) A B

1. A B 2. A B3. A B 4.

207.

(..57) 2.000 1.000x10-3

1. 1.000x10-3 2. 1.002 3. 2.001x10-3 4. 2.002

82.2 10

84.4 10

89.8 10

819.6 10

7/24/2019 PAT 2.pdf

59/74

59

18.208.

(.. 52)

A 1. 2. 3. 4.

209.

(.. 52)

1. 2. 3. 4.

210.

(.. 52) 0 4

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

211. (.. 52) 2 2 (v)

1. V = V/2 2. V = 2 V

3. V = 2 V 4. V = 4V

7/24/2019 PAT 2.pdf

60/74

60

212. (..53) A .. 1.2 B B 0.6 AA

1. 0.4 2. 0.5 3. 0.6 4. 0.8

213.

(..53) 2 r R r v R

1.R

rV 2.

r

RV 3.

2

2

r

VR 4.

2

2

R

Vr

214.

(.. 53) V .. 1p

1.( 1 ) Vg 2. gV1

3.g

V1

2

4.g

V12

215. (.. 53)

1. 2. 3. 4.

216. (.. 53) h v h

1. v h1 2. v h

3. v h1 4. v h

217. (..53)..49 500

1. 5 2. 10 3. 50 4. 100

7/24/2019 PAT 2.pdf

61/74

61

218. (..53)R r v

1. rv = RV 2. rV = Rv 3. r2v = R 2 V 4. r2v = R2v

219. (..54) N1N2..

1.

21

1

NN

N

2.

21NN

2N

3.

1

21

N

NN 4.

2

21

N

NN

220. (..54) .. vA..u > 0 ..

vB1. uvvvvABBA

2. uvvAB

3.AB

vv 4. uvvAB

221. (..54) H

1.8

H 2.

4

H 3.

2

H 4.

4

3H

222.

(..54) 4

1. 0.25 2. 0.5 3. 1 4. 4

223.

(..55) 1

10% 1. 0.1 2. 0.3 3. 0.9 4. 1.1

7/24/2019 PAT 2.pdf

62/74

62

224. (..55) A2A1 H

1. 2.

3. 4.

225. (..56) (d)

1. 2.

3. 4.

226. (..57) 10 2 10 1000 10 10

1. 5 2. 7 3. 9 4. 11

2

2

1

1

gH

A

A

2

2

1

1

gH

A

A

2

2

1

2

1

gH

A

A

2

2

1

2

1

gH

A

A

7/24/2019 PAT 2.pdf

63/74

63

19. 227.

(.. 52)1. 2. 3. 4.

228.

(..55) 10 1000 /1 0.6 //1 4

1. 2.1 2. 3.3 3. 7.5 4. 8.3

229.

(..56)300C -200C

1 5 4.2 kJ/kg.K 2.1 kJ/kg.K 334 kJ/kg

1. 0.3 2. 0.7 3. 0.3 4. 0.7

230.

(..57) 10 2x2x2 400 / 4.2 . 1000

1. 3.2 x10-5 2. 2.4 x10-5 3. 2.4 x10-4 4. 2.4 x10-2

7/24/2019 PAT 2.pdf

64/74

64

20.

231.

(.. 52) 10 300 ..31051 1051. 3.0106 2. 4.0106 3. 4.5106 4. 6.0106

232. (.. 52) .. P V1 V2 T1 T2

1. )VP(V2

312 2. )VP(V

2

512 3. )TR(T

2

312 4. )TR(T

2

512

233. (.. 52)

1. 2. 3.

rmsV

rmsV

4. 2

234. (.. 52)300 5 310 .. 5102 U W

1. , 2. , 3. , 4. ,

235. (..53) n P V

1. PV

2

1 2. PV

2

3 3.

n

PV

2

3 4.

AnN

PV

2

3

7/24/2019 PAT 2.pdf

65/74

65

236. (.. 53). . . 1. 2. 3. 4.

237. (..53)52,493

1. 20 2. 40 3. 20 4. 40

238. (..54) ..

1. Q = mcT Q 0 T 02. 3. 4.

239. (.. 54) A B P0 V0T0A B

1. TA= 0.5TB= T0 2. TB= 0.5TA= T0

3. TA= TB= T0 4. TA= 2TB= T0

240. (.. 54) He Ne 293

1. 2. Ne 5 He3. Ne 0.5 He

4. Ne 0.2 He

7/24/2019 PAT 2.pdf

66/74

66

241. (..55)...

1. 0 2. 1

3. 2 4. 3

242. (..55)1 m

(m/s) 1.0 3

2.0 2

3.0 2

4.0 1

5.0 2

1 1. (2.0,3.0] 2. (3.0,4.0]

3. (4.0,5.0] 4. (5.0,6.0]

243. (..57) 1.5 44.8273 1x105(vrms)

1. 4.5 x102 2. 5.5 x103 3. 1.6 x104 4. 2.0 x105

7/24/2019 PAT 2.pdf

67/74

67

21.

244.

(.. 52) 5.48 x 1014 0.79 7.39 x 1014 1.55

1. 3.98 x 10-34. 2. 6.37 x 10-34.3. 6.51 x 10-34. 4. 6.63 x 10-34.

245.

(.. 52) 14

105 0.8 1015

1. 1.3 2. 2.5 3. 2.9 4. 4.1

246. (.. 52)

1. 2. 3. 4.

247. (.. 52)1. 2.

3. 4.

248. (..54) n = 4 n = 2

1.2

1 2. 2 3. 4 4. 8

7/24/2019 PAT 2.pdf

68/74

68

249. (.. 54) (V0)

1. 2. 3. 4.

250. (.. 54).

5.05.51. 2. 3.

4.

251. (.. 54) n = 3n = 2

1. 1.4 2. 1.7 3. 1.9 4. 2.3

7/24/2019 PAT 2.pdf

69/74

69

252. (.. 55)10-15 10 -27 ()

1. 103 2. 106 3. 109 4. 1012

253.

(.. 55) ......

1. 1 2. 2 3. 3 4. 4

254. (..55) 1.2. 3. 4. 1

255. (.. 55)

1. 2.

3. 4.

256.

(.. 55) 5 x 10-191. 396 nm 2. 1.98 nm 3. 1.32 nm 4. 0.44 nm

2mv

F

r

1 22Gm m

F

r

1 2

2

kq qF

r mvr n

7/24/2019 PAT 2.pdf

70/74

70

257. (..56) 147.5 10 2.28

1. 0.814 2. 2.28

3. 2.67 4. 5.37

258. (..56)() ( h ) ( c ) ( d )

1. 2hc

d 2.

2hd

c

3.4

d

hc 4.

4

hc

d

259.

(..57) 1.2.

3. 4.

260. (..57) 1. 2. 3.

4.

7/24/2019 PAT 2.pdf

71/74

71

22.

261. (.. 52 ) N

1.

4

N0 2.

2

N0 3.

4

3N0 4.

8

7N0

262. (.. 52) 100 1 1 200 30% -235

1. 0.038 2. 0.096 3. 0.11 4. 0.35

263. (.. 52) N0 T1/2

4

3N0

1.4

T1/2 2.4

3T1/2

3. 1/22T 4.

In2

In(3/4)T1/2

264. (.. 52) 2 3H H X +n1 1

p = 1.0078 u n = 1.0087 u = 4.0026 u H21 = 2.0141 u H31 = 3.0160 u

H52 = 5.0123 u 1u = 930 MeV/c2

X 1. 1.94 10-16 MeV2. 17.5 MeV3. H52 1.02 10-14 MeV4. H52 922 MeV

7/24/2019 PAT 2.pdf

72/74

72

265. (.. 52) 14 1 14 1,000 1

1. 13 ln2 2. 14 ln2 3.14

ln2 4.13

ln2

266.

(..53)

10 1

1. 40 2. 80 3. 120 4. 160

267. (.. 53) A B T B 2 A

1. T 2. TIn2In3 3. T In

23 4. T In2

268.

(..53) () ()

1. 2. 3. 4.

7/24/2019 PAT 2.pdf

73/74

73

269. (..54) A 6 1 600 B 6 2B

1. 150 2. 300 3. 750 4. 1200

270.

(.. 54) 238 10

1. 2. 2.5 3. 2.5 4. 2.5

271. (.. 54)X 1. 2. 3 3. 3 4. 3

272. (.. 55)

. . . . 1. 1 2. 2 3. 3 4. 4

273. (.. 55) A B 7/8 A 15 A

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

274. (.. 55). 1.

2.

3. + 4. +

235 141 92

92 56 36n U Ba Kr X

3

1H

0

1e

1

1H n

40

19K 40

20Ca

40 40

19 20K Ca n

40 40

19 20K Ca

40 40

19 20K Ca e

40 4019 20

K Ca e

7/24/2019 PAT 2.pdf

74/74

74

275. (.. 55) 2381. 2. 3. 4.

276. (..56) 2 2 mHe, mp mn

1. 2 2He p nm m m

2. 2 2He p nm m m

3. 2 2He p nm m m

4. 2 2 2He p n em m m m em

277.

(..57) 2000 1 1800

1. 0.1 2. 0.7 3. 5.0 4. 6.7

278.

(..57) / (u) 1.007825-14 4.002604 1.008665 1.007276

42He MeV 1u

931 MeV

1. 6.8 2. 7.1 3. 27.3 4. 28.31