Tuyển tập 200 câu vật lý hạt nhân từ các trường chuyên cả nước

TANGGIAP.VN T v 3Li v' , mX v' mv A p mX B 14 3mX v mp C mX v mp D 3mp v mX C D 226 88 Ra A 4,886 MeV B 5,216 MeV C 5,867 MeV D 7,812 MeV 4Be p MeV A 1,450 MeV B 4,725 MeV 238 92 C 3,575 MeV D 9,450 MeV 235 92 U U = 4,5.109 T2=7,13.108 A 10-3 Sau 6h l B cm3 10 cm3 24 11Na 1,5.10-8 mol Na24 1 A.1,000201u C.1,007976u H 0,015 % H B.1,001204u D 1,000423u A B C D 2= 33s 1= 2,3.X1 D sai ? A Tia B Tia C Tia D Tia - + TANGGIAP.VN H mT mD mx = 0,0305u; 1u = 931MeV/c A 18,0614J B 38,7296J C 38,7296 MeV D 18,0614MeV 27 13 Al 30 15 P n = 4,0015u, mAl = 26,97435u, mP = 29,97005u, mn = 1,008670u, 1u = 931MeV/c A 8,9367MeV B 9,2367MeV C 0,014MeV A B 207 D 8,8716MeV C 235 D Pb A 131 53 I 17 B 0,54.1017(Bq) A 0,72.10 (Bq) C 5,75.1016(Bq) D 0,15.1017(Bq) -27 A 2,4.10-20kg.m/s m A B 3,875.10-20kg.m/s C 8,8.10-20kg.m/s D 7,75.10-20kg.m/s p = 1,0073u; Li p + 73 + 17,3 MeV 23 -1 A = 6,023.10 mol B 26,04.1023MeV C 8,68.1023MeV A 13,02.1023MeV A D 34,72.1023MeV D = A 63MeV B 66MeV C 68MeV D 72MeV -2 A 1h B 3h C 0,3h D.0,5h C D 1/32 B Bitmut 210 83 210 83 Bi 210 84 Bi Po ? C 210 A 0,222 mg D (MeV/c Po B 0,444 mg C 0,444 g = 2,0136u, mT D 0,222 g mn = 1,0087u; 1u = 931,5 A 23 -1 = 6,023.10 mol TANGGIAP.VN B 1,09.1025 MeV A 18,07 MeV C 2,89.10-15 kJ 9 Be D 1,74.1012 kJ Be n X A 0,5 MeV B 2,5 MeV C 8,3 MeV D 18,3 MeV T T 1u = 931,5 (MeV/c2 A 17,6 MeV B 17,5 MeV C 17,4 MeV B kgm/s C MeV/c = D 17,7 MeV A MeV/s = D (kg.MeV)1/2 131 53 I A 9,22.1017(Bq) B 2,30.1016(Bq) 1uc2 A 17,4 (MeV) B 17,5 (MeV) A 63MeV B 66MeV 210 210 84 C 3,20.1018(Bq) D 4,12.1019(Bq) C 17,6 (MeV) D 17,7 (MeV) C 68MeV D 72MeV Po C C A D 4,5 p + 73 A 13,02.1023MeV C 8,68.1023MeV + 17,3 MeV 23 -1 A = 6,023.10 mol B 26,04.1023MeV D 34,72.1023MeV A m A = 1,0073u; Li A k + p B 4k/3 C 4k+3 = t1 D 4k TANGGIAP.VN do? A 5,36.1011 J He = 4,0015u; mn = 1,0087u; mp = 1,0073u B 4,54.1011 J C 6,84.1011 J A B C - A A C D B sai ? A Tia B Tia C Tia D Tia - + eV/c2 A A , , C - He D 8,27.1011 J D + TANGGIAP.VN -10 m C B 24 11Na 15 14 24 11 B A B 238 C - D + - 92 206 A 20 B 14 C 12 D - A B C D A D Urani 238 92 234 90 U Th A 100/295 B 119/117 C 3/1 D 295/100 14 C 17 14 N C A K1 l K2 A 450 4Be W = 2,1 MeV = MeV B 900 p+ + 63Li liti C 750 D 1200 sai A Qu C TANGGIAP.VN Sau 50% Sau 75% A B C D , , C Li A.1600 B.1500 C.1200 D.900 A 63MeV B 66MeV C 68MeV D 72MeV A 900 B 600 C 1600 D 1200 - 210 83 B 131 53 A 1,25.1017 Bq = A 5,22 MeV B 4,61.1017 Bq C 1,60.1018 Bq D 4,61.1016 Bq C 8,52 MeV D 7,72 MeV D B 9,24 MeV -10 C B B m TANGGIAP.VN - A A U238; Th230; Ra226; Po214 206 C Th232; Ra224 ; Bi212; Rn220 B Am241; Np237; Ra225; Bi207 209 D Np237; Ra225; Bi213 ;Fr221 mD = 0,0024 u; mT = 0,0087 u; m = 0,00305 u Cho 1u.c2 = 931,5 MeV A 18,07 MeV B 18,02 MeV C 18,16 MeV D 1,81 MeV p A 60 A 2,442.10-4 s-1 C 7,68.10-5 s-1 26 A 3,12.1013 kg 27Co B 1,076.10-5 s-1 D 2,442.10-5 s-1 W Cho c = 3.108 B 0,78.1013 kg C 4,68.1013 kg D 1,56.1013 kg 14 14 A C 234 A 18,4% B 1,7% C 98,3% D 81,6% 9 6 A 450 B 1200 226 88 C 600 C 7,812 MeV D 5,216 MeV Ra A 5,867 MeV B 4,886 MeV 234 92 D 900 230 90 U 234 92 A 15,98 MeV Co ban ( 60 Co 27 230 90 U B 12,98 MeV Th Th C 14,98 MeV D 13,98 MeV 60 27 60 27 Co Co A L A 25% B 12,5% C 15% D 5% TANGGIAP.VN 14 - C 131 53 I A 0,72.1017(Bq) B 0,54.1017(Bq) C 5,75.1016(Bq) D 0,15.1017(Bq) 32 238 A 206 82 Pb B 210 84 Po C 210 83 Bi D 226 88 Ra A ng A MeV/c B 18 MeV/c C MeV/c = 234,041u; mP = 1,0073u; mn = 1,0087u; 1uc2 = 931 (MeV) A 7,8 (MeV) B 6,4 (MeV) C 7,4 (MeV) T A 3,58 MeV B 1,88 MeV C 3,47 MeV D 12 MeV/c u B D 7,5 (MeV) D 1,22 MeV m /s TANGGIAP.VN 5,06 MeV mBe = 9,01219u; mP = 1,0073u; mLi = 6,01513u; mX = 4,0015u; 1uc2 A 5,05 MeV B 3,1 (MeV) C 3,0 MeV D 5,08 MeV 23 11 20 Na X He 10 Ne Cho mNa= 22, 9837u; mHe= 4,0015u; mNe= 19, 9870u; mX= 1,0073u; 1u= 1,66055.10-27 kg= 931 MeV/ c2 -15 -15 J 19 A B F 16 p J O X C D n D D 1T p mT= 3,016u; mp= 1,0073u; 1u= 931 MeV/ c2 A 1,8 MeV B 2,6 MeV C 3,6 MeV D 8,7 MeV A 5,7 B 3,4 H D= C 6,9 2,0163u; D 7,1 14 C 56 26 Fe p n A B 8,75 C 8,81 ) D 7,88 + A 0,5T B 3T C 2T D T TANGGIAP.VN - 60 27 C0 A= 6,02.10 - sau 15,81 23 A 5,2675.1021 210 84 Po B 5,2675.1022 C 7,525.1020 D 7,525.1021 o b A 12 C 3( He) = 11,9967u; m = 4,0015u; 1u.c2 = 931MeV C A 7,26MeV B 7,44MeV 10 C 7,50MeV Be n 10 = 1,0073u, 1u = 931 MeV/c B 0,6321 MeV C 63,2152 MeV P A 6,3215 MeV D 8,26MeV Be D 632,1531 MeV p A mp + mn > m B mp + mn > m n C 2(mp + mn) < m p D 2(mp + mn) = m Li X A WX = (Wp + E) B WX = Wp - E C WX = Wp + E D WX = A B A 12,85.106 kWh 226 88 A 4,89MeV (Wp - E) C D B 22,77.106 kWh C 36.106 kWh D 24.106 kWh B 4,92MeV C 4,97MeV D 5,12MeV Ra 0 A 5,60 g B 35,84 g C 17,92 g - B D ng A B n A D 10 D 8,96 g , TANGGIAP.VN MH = 2,0135u ; mHe + H12 + n0 = 3,0149u ; mn = 1,0087u ; u = 931 MeV/c2 A 7,4990 MeV C 1,8820 MeV B 2,7390 MeV D 3,1654 MeV : A 2007): - B 2007): C 2007): A 23 2007): 238 92 A 8,8.1025 B 1,2.1025 C 4,4.1025 D 2,2.1025 2007): Cho: mC = 12,00000 u; mp = 1,00728 u; mn = 1,00867 u; 1u = 1,66058.10-27 kg; 12 1eV = 1, 6.10-19 J ; c = 3.108 A 72,7 MeV B 89,4 MeV 17 C 44,7 MeV D 8,94 MeV 37 A 9,2782 MeV Error! Not a valid link B 7,3680 MeV C 8,2532 MeV 238 92 D 8,5684 MeV 234 92 B A 3,2 gam B 2,5 gam C 4,5 gam D 1,5 gam C A = 6,02.1023 13 22 A 6,826.10 C 9,826.1022 27 B 8,826.1022 D 7,826.1022 A 11 TANGGIAP.VN - A 226 88 2008): B - 222 86 Ra Rn + C D C 12,5% sai D 87,5% 2008): A 25% B 75% 2008): D ( 10 2008): Be mn P = 1,0073u, 1u = 931 MeV/c2 10 Be A 0,6321 MeV C 6,3215 MeV B 63,2152 MeV D 632,1531 MeV 2008) : mB sau A m mB C mB m B mB m D m mB 2 A1 Z1 X 2008) : A2 Z2 Y A1 Z1 X A1 Z1 X A A1 A2 B A2 A1 C : A 2,38.1023 A B 2,20.1025 : A2 A1 D = 6,02.1023 mol-1 Trong 59,50 g C 1,19.1025 sai A1 A2 238 92 U D 9,21.1024 - C + : A 25,25% B 93,75% C 6,25% : 23 11 MeV/c2 12 Na ; 20 10 Ne ; He ; H 23 11 Na 1 D 13,5% H He 20 Ne 10 TANGGIAP.VN C 16 : A 14,25 MeV B 18,76 MeV 2009): O 16 O D 190,81 MeV C 128,17 MeV 235 92 U B 2009): A 2009): T D He X A 15,017 MeV C 17,498 MeV B 200,025 MeV D 21,076 MeV 2009): A 0,5T A N0 16 B 3T 2009): B C 2T D T N0 C N0 D N0 ) X, X = 2AY = 0,5AZ EX < E Y A Y, X, Z B Y, Z, X EX, EY, EZ ) C X, Y, Z Po AY, AZ EZ < D Z, X, Y 210 84 A B C D ) A 3,125 MeV B 4,225 MeV ) C 1,145 MeV Be D 2,125 MeV A B C 13 TANGGIAP.VN D 40 18 ) 1,0073 u; Li 1,0087 u; 39,9525 u; 40 18 Ar A C B D ) A Ar ; Li N0 B N0 C N0 D N0 14 ) A C B D ) A 50 s B 25 s C 400 s ) A 4,24.108J C 5,03.1011J H H = t1 D 200 s He n 17,6MeV B 4,24.105J D 4,24.1011J ) Li ) A 19,0 MeV B 15,8 MeV ) A Tia B C D Tia C 9,5 MeV D 7,9 MeV sai? 00 m/s C He ) 29 14 ) A C Si 40 20 Ca B D ) A B C D ) 210 84 Po 931,5 A 5,92 MeV 14 B 2,96 MeV C 29,60 MeV D 59,20 MeV MeV c2 TANGGIAP.VN A Li A B 1/4 C .L D 1/2 sai? A Tia B Tia C Tia D Tia 210 84 206 82 Po 210 84 Pb Po A 1/15 B 1/16 = t1 C.1/9 D 1/25 2, v1 2, K1 K2 A v1 v2 m1 m2 K1 K2 B v2 v1 m2 m1 K2 K1 C v1 v2 m2 m1 K1 K2 D v1 v2 m2 m1 K2 K1 = 5.10-8s-1 A 5.108s B 5.107s A 235 92 U B 56 26 C 2.108s Fe 56 26 D 2.107s 235 92 C Li He n 2 n 1D D 2,0135u; mHe = 3,0149 u; mn = 1,0087u A 1,8821 MeV B 2,7391 MeV x 19 F He A anpha 3 1T He 16 C 7,4991 MeV O D He 1 D, He, n D = D 3,1671 MeV D B A 0,25N0 B 0,875N0 C 0,75N0 D 0,125N0 A trini B C anpha Sau D 15 TANGGIAP.VN A B 238 92 238 92 1,188.1020 206 82 U U 238 92 18 U 206 82 Pb 238 92 A 3,3.108 B 6,3.109 C 3,5.107 A 1,3.1024 MeV A He B H ; H ; 24 He 4v A B C 24 He ; H ; H 2v A C U D 2,5.106 1H Li He X B 2,6.1024 MeV C 5,2.1024 MeV H ; triti H , heli He A H ; 24 He ; H Pb 4v A D 2,4.1024 MeV D H ; 24 He ; H 2v A D -2013) A B -2013) A Tia B Tia + -2013) A 1,25 m0 : A D Tia X C Tia B 0,36 m0 C 1,75 m0 D 0,25 m0 -2013) 15 N0 16 B N0 16 C N0 D N0 -2013) A 2,24 MeV : 235 U 931,5MeV/ c B 4,48 MeV C 1,12 MeV U 1000 235 C 238 U 235 16 D D 3,06 MeV 235 U -2013) 238 D 2 U 238 U 238 U ? 100 U TANGGIAP.VN :* 14 -2013) 14 N 1 p 17 N O = 4,0015u; mP = 1,0073u; mN14 = 13,9992u; mO17 17 O B 2,214 MeV C 6,145 MeV D 1,345 MeV 931,5 MeV/c A 2,075 MeV -2013) 235 - -ga- A=6,02.10 23 mol-1 235 A 461,6 kg B 461,6 g C 230,8 kg -2013) 2 A 18,3 eV B 30,21 MeV C 14,21 MeV B Tia C Tia + 19 p F D 230,8 g He He D 28,41 MeV -2013) -2013) : 210 84 -2013) 210 84 16 - Pb O X 206 82 Po 210 84 Po A mg D Tia D A Tia 210 84 Po B 10 mg C 7,5 mg Po D 2,5 mg B 80% C 87,5% D 82,5% -2013) C : A 85% -2013) 17 ... MeV B 18,76 MeV 2009 ): O 16 O D 190,81 MeV C 128,17 MeV 235 92 U B 2009 ): A 2009 ): T D He X A 15,017 MeV C 17,498 MeV B 200, 025 MeV D 21,076 MeV 2009 ): A 0,5T A N0 16 B 3T 2009 ): B C 2T D... 88 2008 ): B - 222 86 Ra Rn + C D C 12,5% sai D 87,5% 2008 ): A 25% B 75% 2008 ): D ( 10 2008 ): Be mn P = 1,0073u, 1u = 931 MeV/c2 10 Be A 0,6321 MeV C 6,3215 MeV B 63,2152 MeV D 632,1531 MeV 2008 )... 7,4990 MeV C 1,8820 MeV B 2,7390 MeV D 3,1654 MeV : A 2007 ): - B 2007 ): C 2007 ): A 23 2007 ): 238 92 A 8,8.1025 B 1,2.1025 C 4,4.1025 D 2,2.1025 2007 ): Cho: mC = 12,00000 u; mp = 1,00728 u; mn = 1,00867