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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 off9 *- *m32jmfxpwguio particles, it is possible to pr g*p-fu*mmx2 ijow3f 9oduce

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of a protonxa4ss/8wva3 bhuca*f /1 dpl7: zpr1 i 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 etwi* lx9a:lac22s :p58p.mzi rh;a pdlectric charge, energy, and momen*i8::cl p9.hl2dt psa 5 ip maarx;z2wtum?

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A proton strikes an oxygen-18 nucleus prog mj5*/g5 ozj b*o65 bnlx.dvsducing fluorine-18 and another particle. What other particle is produced b5bjnjgv mo.z5 osx 5**l6d/gby this nuclear reaction?

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is .bu(pbk2to rs k9pmc :uc4*r1246reeuyh-o isaid to be exothermic if the total kinetic energy is

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is said to be endothep t, c(sh01+0fdnaoisrmic 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 u:af s+5asel2 granium splits into two intermediate-sized nuclei after being struck by a neutron is ref2sf aeg5:+ lsaerred to as

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during whi8i 7aa7vkhoyrjp(6) rw+ 7 ppich small nuclei combine to form larger ones is referred traajyk)6phi o8i +7p77w(p rvo as

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 nu)atcp (1 intg:clear fission reaction compare to the mass of the original eleati):n c1g(pt ments?

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the mass of the products of a nucl yc fbnfui- 04ra68rnb,q: tj/ear fusion reaction compare to the mass of the origfrn/jan,- 40qu:6y8bi bfr c tinal elements?

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When light elements such a br1r97ux ltd4g+s 4lcs hydrogen undergo fusion,

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fission i8v0j3 :sy nirus

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fusion in the center of the Sun i yb cbsly/,q )nd1hh4/s

Correct Answer:    

Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy radiated by a star, sucv/kp pa ut7.t6h as 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 3yel cpb+-r nn:uy-b(;(rbvmthe Sun radiates to us?

Correct Answer:    

Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the principle difference between aebrcz o,yw +9 qruwro.1)+ so- hydrogen bomb and a uranium bomb?

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  One sometimes hears reference to a "20-kiloton" bomb.1a:47u kcgyyg 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 "critical mass"?e*xe5 llz 8lcvgl9(r:

Correct Answer:    

Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A chain reaction can occur bs -zdkr:2 (k.4wnhj2/bal55r x ejmv

Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The chief hazard of radiation damage to living cells d qps5s(su, -wni-u q5;hw fy6is

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is necessary to stop beta pan(ahvf,rv08(y byj6t;iqrzi,n 1 6lb rticles?

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is created in pair prodz i/x :t1x8i830 xd25log shed kenb1- jlfla7uction?

Correct Answer:    

Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  All of the following are units used toistzjy;o7u)q(9t +h(cdi 8 i3sca0t c describe radiation dosage in humans except u8;( c3)o0iyszt ts7jd(hc i9aitqc+

Correct Answer:    

Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A unit that measures the effective dose of radiat2txm. q)hz 7,eo*vn bvubrb ();+peeqion 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 ne(.cl- i7royh /acq*hkn* ,xpbutrons, it can change into

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the fission reactionvcwgjhs s5:t(ai-mw (hxeqza2+ j; 8 5 $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, the number of neutrons produced is

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclearzm9+ y 5axw:l3v;i rdnq:n)l a 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 nucleajhe0y3yz a8ve60r20i zjyrb 6r 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 reactir;;+wcelzsm vf(, h1 a7xy: rjon: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

Correct Answer:    

Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reacf. bxi3*1p mb,uc oxk)t yb,a4tion: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    

Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following n;odf h ed-05awuclear 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 rrf-em:hb n ,jig: voycv+3 l 9e90:kat/ jbg7feaction's threshold energy is 9.60 MeV. Wh9t/,:0irv nvcko:fgbl9b:mgjyhaf3 e-7 +j eat is the ratio of the 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 the foo4;5qrtpkph*: h f y1xllowing 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 follouf1 r24is:m + y6lbqkuwing 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 ,z* tlyx 5nf.hthe 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 e71bp; zfo ;eamhqgb20dva *2 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 absorbed q3 lk:+qepafjl u .*s0(negative) in the following reacte:lj*f+apql 3kus.0q ion? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 pel0)csdhb lx;5lhf+j)1yhb i)r day and receives 2.5 mrad per X-ray. What is the total dose the technician receives in 25c +j ll f1h0ibx))bhh);l dy5s0 working days?

Correct Answer:    

  • :
  • Total:38 mks Pass:22.8 mks Duration:Unlimited
    未答题: 已答题:0 答错题:
    当前第 题,此次Practice共有 38 道题

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