https://webassign.org

 Forgot password?
 Register Now

 

      

Upload Images

Unused Images

Tips: allowed image types are: gif, jpg, jpeg, png, webp; When uploading is finished, thumbnails will be generated and shown above. You can either double click on the thumbnail or simply drag the thumbnail with your mouse, the image will be bound to the current problem and displayed below it.

Used Images in Current Log

Tips: What is shown in this column are all the images associated with this exam log. Those bound to a particular problem will also be displayed immediately underneath it; Deleting any images will make them to be transfered to the "Unused images" category.


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 pk a5/ pra vuyt87(p y+.-sdimndla1t*articles, it is possible to producy 1layv*pdt(ps m 5t+a/nr7ikua-. d 8e

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of a proton isdw9ppnwclyuh(y9(+.9c f 3iwp ljv;gr b;*x9 $1.6726 \times 10^{-27} \; kg$ 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 co .5: u3zhh1egj6hzx jtnserved in addition to electric charge, energy, and j1z.gehjh t x 3hzu56:momentum?

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A proton strikes an oxygen-18 a0 7d a s7h3*.tjtcvgdnucleus producing fluorine-18 and another particle. Whatd0th7av aj*tc. 3sgd 7 other particle is produced by this nuclear reaction?

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is said to be exotherezn(82 y0kv7 rrnv3hhmic 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 endothermic if thd()k uva0q d:he 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 nucleusw +0xd y4:su8a 1mms)a;rhig* mwua*j(who5 n such as uranium splits into two intermediate-sizeaswiy +rahw mw(jxsu ;)g *na:m 8m1 *5do0h4ud nuclei after being struck by a neutron is referred 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 larger ones /9yvcd yt*ji1i2 np2*uvwtv9 is referred to y d uyvtptj *2cwi/i*vv2199nas

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 reactio1n2q m o ;t4qton31ubnn compare to the mass of the original eleme 1q btu1to2;om3 nq4nnnts?

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the mass of the produt.nnmxw 2:, ahcts of a nuclear fusion reaction compare to the mass of th.,nax w:nh2tm e original elements?

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When light elements such as hydrogen undergo fusib*b b 6me9mrj(on,

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fiss5p8 fw0vmw/l1lq:w:pztsw z 3ion is

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fusion l)4m6s,rinc+ l qj z gufeveh8-4s,/n in 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 the Sun, resultsu cl3w1kr 8/jh6uo 4gtjw ;lm7 from

Correct Answer:    

Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the source of tkno+y 5dv+wl3he energy the Sun radiates to us?

Correct Answer:    

Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the principle differencn5mi6kj yt(-d e between a 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 :o7nz ol4 bd5q"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 th z8hp:;t*8gu iq1jvk5w(guvky5w -kv e term "critical mass"?

Correct Answer:    

Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A chain reaction can occu) ;bp;+vhcx tvr

Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The chief hazard of radiation;gd: 30dzf:gprxdaoe 24p ;nf 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+e tw:f 4pgc8v beta particles?

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is created in pair cayq (sp(+s+u. ijy*lproduction?

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 in humans excep o3 f0b44ijndm)2 u.vssj 6kl -asdsk.tisab-kf3j d24ld .umsnssvko4 0j.)6

Correct Answer:    

Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A unit that measures the effective dosao6gimx s.29a e 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 wit pbr*d w/ln)q,x(vys8kp.e1jh neutrons, it can change into

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the fission reaction aattth2mx 0;6$^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 reactiy std2ki1h:kj77 kn )uon: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reaction:x kxv3ktsqbz*ccc +:80 0gl h6 $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

Correct Answer:    

Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reacvo;5l0nxd 3kftion: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

Correct Answer:    

Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reactizfq. xpuz *35mon: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    

Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the followingh:d-tkqzj 0 -b:bh/k8t ,elfq 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 thresholdkahm 7d,2d7(-dr gr hb energy is 9.60 MeV. What is the ratio of the mass of the im ,-dgah( drd727 hrbkncident 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 following reaction: ,mt aiv*cdg70$^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 followhv3ebp(8 ig)ying 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 fojk 64apjd8f)zgul,e -e ,8ch)a(kldxr the 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 processnu8 *eqzeu. -b $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$?

Correct Answer:    

Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the energy releaxf,m3xsxi,d begn6ae4 e:k 4 .sed (positive) or absorbed (negative) in the following reactione:,4ksg,m xx ixf de4nb3e6a .? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 takelhbre /xbxs*9e j,w3+s an average of ten X-rays per day and receives 2.5 mrad per X-ray. What is the,9rx+*el3bh/j s wexb total dose the technician receives in 250 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

    Archiver|Mobile Version|Jailroom|https://webassign.org

    2025-1-11 14:56 GMT+8 , Processed in 0.093227 second(s), 88 queries , Redis On.