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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 pub ania4qx ,qit4dqf2 g9+ *.z vvc;2varticles, it is possible to prod2aq c+94*2qti x.q ;az,i 4uvdv gfnbvuce

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of a proton6aqf -l+*rre p:qxv 5e 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 valu s paa4f 1uys ::22mcgbzdprp7/k6r8 ee is conserved in addition to electric charge, enea s2:8e1k:a27up cps4b pmy6 zgrfdr /rgy, and momentum?

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A proton strikes an ox u *lw90p m/3gihdqrfc:.f2p sygen-18 nucleus producing fluorine-18 and another particle. What other particle is produced by this nuclea il9 pp:f.c*whd/gfu23msr0 qr 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 energyya7jgr: m2yghu grk ;5+)oa6q is

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is said to be enwi*an1z98l6wtbutt)lp 8*aax ir2x0 dothermic if the total kinetic energy is

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during which a heavy nucleus such as uranium splits into 3gr; g rpy6wp5two intermediate-sized nuclei after being struck by a neutron is referrw35y6pg gpr ;red to as

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during which small nuclei combine to form larg2f au5jdq4/,.aj1j. b ;w8 sba4sm vot q1vnzger ones is referred to .dg8qfjvasujz. b4a,n o/s w;2aq1bm15j tv4 as

Correct Answer:    

Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the total mass of the ) 3b4(r+irmom v iihuvice.+ +products of a nuclear fission reaction compare to the mass of the original elements?reb4 .+ i)oi murv++ivm3(c hi

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the mass of the products of a nuclear fusion reaction c3 0jte5/mdh-cw c07;; zynlvtui cc6kompare to the mass of the tz 3l7 nc;cij05dtev/;wmh- c0kc6yu original elements?

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When light elements su-m 2d34jilm8) djfsic p0l:vech as hydrogen undergo fusion,

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fissn dgl39 graj,ca im:ly* 03e9pion is

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fusion hlb 590h o10lxdf va9lin 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 0u9m0bu,p :yp i(yfrm the 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 ro6bqe po.of,m;w:+gllv r ,d*ueay 38adiates to 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 3bhly2aey 504axlu u.and a uranium bomb?

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  One sometimes hears 16ppiys(id-cos p:q2 (.s vscreference to a "20-kiloton" bomb. 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 term9.rd* dt mk7i 0k-yr,tetbf1t "critical mass"?

Correct Answer:    

Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A chain reaction can3)atsl zm ma;4 occur

Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The chief hazard of radiatiymfu p)17onv.s lrr +a hl)pb8urn1c15jt+. eon damage 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 ;heywdd9 ka52particles?

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is created in pair productio(g.qia mfexe )a6r;6jf51htxt f: jd1n?

Correct Answer:    

Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  All of the following are units used to describe radiation dosage y9ifrf:4mry, in humans exceptf:y4 frriy ,9m

Correct Answer:    

Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A unit that measures the effective do/0g.j tu jr aj23m//jd 5qibmise 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) is0e)x4 s pq*v0sy y e,x0w-ufsk bombarded with neutrons, it can change into

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the fission reactiw;5 han a,sqm 0)6n/1r ljhox akab5u*on $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, the number of neutrons produced is

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reacf2 x+ln w34xq8hr zp6ction: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reacfzb3xec0 *s 6 hw,x;/vsb*cmc tion: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

Correct Answer:    

Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reacafr , 6l2l9b-bw;sfn ltion: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

Correct Answer:    

Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reactid0;x2bwyvn, v on: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    

Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the followingmtfrl; ti1azj28nt2( nuclear 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 reaction is -2.4 MeV, and the reaction's ez( ob,sst:c5l vh+jmv0f-3 z threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the o(zb z v,sml - che5f0j3stv:+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 the follnssd c4s4+lq 7uw0u q;owing 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 followp kesfco/zik3rm ,40(ing 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
35#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the Q value for tr2izl5ud:w /dm,jjm7 he following reaction? $^{7} Li + ^1 p \rightarrow ^4 He + ^4 He$
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 of the 5;jt7/ ocjmzxprocess $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$?

Correct Answer:    

Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the energy released (positive) or absorbed (negative) in the fol+( x-qc)dm kfilowing re-) i+ cmxqk(fdaction? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 an average of ten X-rays per day aivh+7 x2 4xp-wfzziytbdn8; /nd receives 2.5 mrad pi;hzx+ zvdbi74 /f-tx 8nw2pyer X-ray. What is the total dose the technician receives in 250 working days?

Correct Answer:    

  • :
  • Total:38 mks Pass:22.8 mks Duration:Unlimited
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