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PRACTICE:Physics Unit31: Nuclear Energy and Radiation



 Author: physics   Total Marks: 38 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月02日 08:24  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a target nucleus is bombarded by an appropriate beam of partic nb,h ,kyaug.lie1 b6h u63qa.dax7n0les, it is possiblalu.hgx,i3n u.1ay7ean0kqb6 6h, bde to produce

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of a protonp4hp* i2vem- uj6a6wk is $1.6726 \times 10^{-27} \; kg$ and the mass of a neutron is $1.6749 \times 10^{-27} \; kg$. A proton captures a neutron forming a deuterium nucleus. One would expect the mass of this nucleus to be

Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a nuclear reaction, what value is conserved in addition to electric yw(nc*4oqzbpka hdm79f 0:0e charge, energy, and momentumka: w n9(p0hd oe0cmbzf 7*4yq?

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A proton strikes an oxygen-18 n/fiwi m0 kxf)8ucleus producing fluorine-18 and another particle. What other particle is produced by this nucif0wmkf /)x8 ilear reaction?

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is said to be exothermic if the total kinetic energl ru j0s,islxte :6.0nka2( ccy is

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is said to be endothermic*s-ok 7vo 7zat if the total kinetic energy is

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during which7a 95) a9qlh xkxy3tqc a heavy nucleus such as uranium splits into two intermediate-sized nuclei after being struck by a neutron is referred to aa 9xq)c9th5ay q3kxl7s

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during which small nuclei combine to form larger o9bwx 2hmmvow+2f.k u 5nes is referred to a9+mv5h wkf2uo xmwb.2s

Correct Answer:    

Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the total mass of the products of a nuclear fission reacte ss5 kizj(qscja ; 78ey,9f*lion compare to the mass of the *e 7sy;c5s sj(aij qfk9,zl 8eoriginal elements?

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the mass of the products of a nuc 6k/ g0wicwgb,lear fusion reaction compare to the mass of the ori c,wkwg/ ibg60ginal elements?

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When light elements such as hydrogen undergo fusig)q aypwoq 0*a45 mi/p6mdk0b on,

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclearme6 5fh. 7/xxsoauo:ygr0 ra+ fission is

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fusion in (1xo1y 1kvdttpie9 t-the center of the Sun is

Correct Answer:    

Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy radiated by a star, such as t5swkg /s0p e9 f-me8xjxpg;o+he Sun, results from

Correct Answer:    

Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the source of the energy the Sun radiates lzh7:,fh) b6 ls odgz*s9:nw);wwdcgto us?

Correct Answer:    

Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the principle difference between a hydrogen bomb and a uranium bomby8 xwas+ k-tf:?

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  One sometimes hears reference to a "20-kiloton" bwpz (k --ajp+pxxg.a ;omb. What does this mean?

Correct Answer:    

Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the meaning of the term "2m qnae/ u5xi5critical mass"?

Correct Answer:    

Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A chain reaction can1oyupip3nat92 7rj b* occur

Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The chief hazard of radiation *7bu-zs qg3 kjz*e0 ahdamage to living cells is

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is necessary to stop beta particy *2fgjqc+:voj w -g3yles?

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is created in pair product8oc weh4gajx4-n);- q:yzfx oion?

Correct Answer:    

Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  All of the following are units used to describe radia2w: iwpk fe,/stion dosage in humans exceptk p:ie,w2 s/wf

Correct Answer:    

Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A unit that measures the efffy6 83 5jsj(mvgl3ppew/8r sm ective dose of radiation in a human is the

Correct Answer:    

Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When lead-207 (Z = 82) is bombarded with neut+u+tg(vj5 tf;oph3byrons, it can change into

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the fission reactg:- -mx s.0 hztam0owif r,f*yion $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, the number of neutrons produced is

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nagawes n2q 1w(yt :ef,*9aie+uclear reaction: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nucleav( x* du2jynl3r reaction: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

Correct Answer:    

Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reacti5ka6us jxm6s8 on: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

Correct Answer:    

Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the followiao ilk-/e*hgkh;. z )fng nuclear reaction: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    

Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nu0gtu*- xezjhwug6q n+ *4 ,kgsclear reaction: $^{27}_{13} Al (\alpha, n)$ produces

Correct Answer:    

Mark Problem
32#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The Q value for a particular react3r0o5-pt*v;xl:chu2t v v y dsion is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the;xl3rt dtsyo5h vvvu2p0:c- * mass of the incident particle to the mass of the stationary target nucleus?

Correct Answer:    

Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Find the Q value of them12mcyx 0-kfq16k m i7x6rbec following reaction: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
The isotopic mass for $^{14}_7 N$ is $14.003074 u$
The isotopic mass for $^4_2 He$ is $4.002603 u$
The isotopic mass for $^{17}_8 O$ is $16,999131 u$
The isotopic mass for $^1_1 H$ is $1.007825 u$

Correct Answer:    

Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Find the Q value of the following reapa(1hjjjt5 t 5ction: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
The isotopic mass for $^{14}_7 N$ is $14.003074 u$
The isotopic mass for $^4_2 He$ is $4.002603 u$
The isotopic mass for $^{17}_8 O$ is $16,999131 u$
The isotopic mass for $^1_1 H$ is $1.007825 u$

Correct Answer:    

Mark Problem
35#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the Q value for the following reactiyb9txy sfef3( .dw 75eon? $^{7} Li + ^1 p \rightarrow ^4 He + ^4 He$
The isotopic mass for $^7 Li$ is $7.016005 u$
The isotopic mass for $^1 p$ is $1.007825 u$
The isotopic mass for $^4 He$ is $4.002603 u$

Correct Answer:    

Mark Problem
36#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the energy of reaction(fff** 7c9m(hl x, 3 kqbwu7nsn 6hwij of the process $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$?

Correct Answer:    

Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the energy released (positive) or;u/z /r6lzmlmn9n7 r:vf4 cyi absorbed (negative) in the following refrzmz: 7c9ym/64i un /vrnll ;action? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
The isotopic mass for $^3H$ is 3.016049 u
The isotopic mass for $^4He$ is 4.002603 u
The isotopic mass for $^1n$ is 1.008665 u

Correct Answer:    

Mark Problem
38#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An X-ray technician takes ;y /u ha40nkec.nsmw 3an average of ten X-rays per day and receives 2.5 mrad per X-ray. What is the total dose the technin.sn 3h a;04w/ke cmuycian receives in 250 working days?

Correct Answer:    

  • :
  • Total:38 mks Pass:22.8 mks Duration:Unlimited
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    当前第 题,此次Practice共有 38 道题

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