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习题练习：Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & History
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 作者: admin    总分: 91分  得分: _____________

答题人: 匿名未登录  开始时间: 24年03月30日 19:37  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/17) 切至整卷模式 搜藏此题  
第 1 题组 (共 17 题 17 分)
  06.21: Which of the following i4/ x-sgvp34 buhq3deq e(e:u1xxs+l ns not one of the seven fundamental SI units using the Mblqee1 d : 3 3hxs/sx-xu(e4+gnv4puqKS system?

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2#
 
单选题 ( 1.0 分) (组内2/17) 切至整卷模式 搜藏此题  
  95.15: If the unit for force is F, the unit for velocity is V, and the unit fo 4hjj(2h,s.v dmh(vc fr time is T, then the unit for energy is(jhhdh v m42f js.c,v(:

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3#
 
单选题 ( 1.0 分) (组内3/17) 切至整卷模式 搜藏此题  
  98.16: If the unit for force is F, the unitpvb4:t seb)p/puo9 3pjhy h79 for velocity V, and the unit for time T, then the unit fob 79)pobs 3:phv u4hj typ/e9pr momentum is:

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4#
 
单选题 ( 1.0 分) (组内4/17) 切至整卷模式 搜藏此题  
  02.25: If M represents unkx.v 69nf03zcia 9ixo its of mass, L represents units of length, and T represents units of time, the dimension of n0 6 .zo3fi9k9ci xavxpower would be:

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5#
 
单选题 ( 1.0 分) (组内5/17) 切至整卷模式 搜藏此题  
  06.32: The kW.hr is jq 8.ehzs)de 1a unit of:

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6#
 
单选题 ( 1.0 分) (组内6/17) 切至整卷模式 搜藏此题  
  08.10: Which of the followingj.,sv m/wxkh : e/3qmnucbu g l0n2zb )w5/pb9 could be a correct unit for pressure?

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7#
 
单选题 ( 1.0 分) (组内7/17) 切至整卷模式 搜藏此题  
  96.01: A light year is pp0f-;iyl8d1. acyq-yt i vc d r60pp4a unit of:

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8#
 
单选题 ( 1.0 分) (组内8/17) 切至整卷模式 搜藏此题  
  13.04: A scientist calculated a quantity that was equal to one k:( n)n9n ukuylight-year. Which one of the nk) nu(y9nk:u following choices represents the type of quantity that the scientist calculated?

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9#
 
单选题 ( 1.0 分) (组内9/17) 切至整卷模式 搜藏此题  
  11.02: Albert Einstein's most famous equato*gd yb:1cj,s ion is E=mc2. The unit for the quantity represented by E can be written as which one of the following options?

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10#
 
单选题 ( 1.0 分) (组内10/17) 切至整卷模式 搜藏此题  
  04.02: The SI unit of force is named the newton in hono:l,a4j ;zcctvr of Sir Isaac Newton's contributions to physics. Which of the following combination of units is the equivalelt;j,zc 4a: cvnt of a newton?

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11#
 
单选题 ( 1.0 分) (组内11/17) 切至整卷模式 搜藏此题  
  09.03: Which one of the following 4 pdsp7v8r-sh.f*bkxquantities can have its unit expressed as kgms2?

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12#
 
单选题 ( 1.0 分) (组内12/17) 切至整卷模式 搜藏此题  
  09.30: In terms of the 7 fundamentap2(0dw;b.j*hid4y m h l*pg:abbbz,jl SI units, the Ohm is written as:

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13#
 
单选题 ( 1.0 分) (组内13/17) 切至整卷模式 搜藏此题  
  13.44: Which one of the following terms/quantities is most closely associatenrzmn79(ce x65** 3o qudz tjoi :w;edd with "the measure of the resistance of an object to lengeou6*d:cm tei q3 nowd*j 5r(n79z;zxth change under lengthwise tension or compression."?

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14#
 
单选题 ( 1.0 分) (组内14/17) 切至整卷模式 搜藏此题  
  97.03: A student working o6d2d (r1f4a iqpg5g bun an energy conservation problem has obtained the answe54idqfg 1a2pub drg6(r 50Js2/m2. The student has solved for:

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15#
 
单选题 ( 1.0 分) (组内15/17) 切至整卷模式 搜藏此题  
  16.01: Which one of the following choices represents thyx0,l(m6 rr:e4 ndr jre smallest amount of time?dre0:n(x r4yrj m lr,6

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16#
 
单选题 ( 1.0 分) (组内16/17) 切至整卷模式 搜藏此题  
  16.14: A scientist obtains an answer that has units equi2dbv0t:bql9dk hk /5z valent to those from computing the square root of the ratio of the Universal Gravitational constant to Coulomb's constant. Which one of the following choicesth/b52l vb0 d9kqdkz: has these same units?

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17#
 
单选题 ( 1.0 分) (组内17/17) 切至整卷模式 搜藏此题  
  12.46: There is a quantity called theqie6 nkx1;qsz (ffp, p0 3)pey Planck time tplanck which is computed in terms of constants as tPlanck2=ℏGcn where ℏ is Planck's constant divided by 2π, G is the Universal Gravitational Constant, and c is the speed of light. In order for this expression for time to be consistent, what is the numerical value of n, the power to which the speed of light is raised?

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18#
 
单选题 ( 1.0 分) (组内1/26) 切至整卷模式 搜藏此题  
第 2 题组 (共 26 题 26 分)
  07.08: What does one obtainh7x 2aq gri)2d by dividing the distance of 12 Mm by the time of 4 Ts?h7) rix d2a2qg

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19#
 
单选题 ( 1.0 分) (组内2/26) 切至整卷模式 搜藏此题  
  17.01: A scientist computes a 0aps6xpj/w 7j speed as 12mm/3μs. Which one of the following choices represents this same speed?

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20#
 
单选题 ( 1.0 分) (组内3/26) 切至整卷模式 搜藏此题  
  08.12: In one year, there are approximately m6: r kx 22w1k,jxqr(e 22cn6hlisusr31.5×107s, Which of the following representations using metric prefixes is equivalent to this value?

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21#
 
单选题 ( 1.0 分) (组内4/26) 切至整卷模式 搜藏此题  
  11.03: The distance of one thousand meters can be written as one kilometer. Whiph1 (-6xjrc u pg4ao4cch 6c -a4xjp4h cro1pg(uone of the following choices best represents a distance of one million meters?

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22#
 
单选题 ( 1.0 分) (组内5/26) 切至整卷模式 搜藏此题  
  12.01: Which one of the following lengths is the y-wlp+zyr hj1f i4p1z3r mfmhk:. t+* largest?

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23#
 
单选题 ( 1.0 分) (组内6/26) 切至整卷模式 搜藏此题  
  13.01: Red light fromdfhn q nql06,t+0hxt) a laser is noted to have a wavelength of 632.8 nanometers. Which one of the following chf qlnq,+t0 nd)hxh0 6toices best represents the meaning of the prefix nano?

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24#
 
单选题 ( 1.0 分) (组内7/26) 切至整卷模式 搜藏此题  
  14.01: An FM radio station sends a signal with a frequenci4kh qudx . zw9siu l)o)j7j79y of 99.99×106Hz. Which one of the following choices best represents this frequency expressed using metric prefixes?

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25#
 
单选题 ( 1.0 分) (组内8/26) 切至整卷模式 搜藏此题  
  15.01: Which one of the following choic5vi) k+ab 9 :kyvn3z h((0 spvfapelz+es correctly represents a length of 3.00mm ?

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26#
 
单选题 ( 1.0 分) (组内9/26) 切至整卷模式 搜藏此题  
  14.18: A rectangular block of wood has a mass of 17.8 gram and db,n- h /nrqwb,imensions of length: 3.00 cm, width: 4.00 cm, and height: 2.00 cm. Which one of the following cnw hbr -b/,n,qhoices correctly gives the average density of the block?

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27#
 
单选题 ( 1.0 分) (组内10/26) 切至整卷模式 搜藏此题  
  11.09: Which of the following choices best represents the speed of 60.0 mile1 *gknwst9ct *s/hr rewritten in unitsg 1k*stctw*n9 of km/day?

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28#
 
单选题 ( 1.0 分) (组内11/26) 切至整卷模式 搜藏此题  
  12.03: Which of the following choices best represents the value of the (2,nqmo job-eh9 td 5iqxj3c3 speed of light using unitso53 t9hbx-q3qji c,mn2e d j(o of miles/week?

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29#
 
单选题 ( 1.0 分) (组内12/26) 切至整卷模式 搜藏此题  
  15.06: A car travels at 20.0 miles/hr. Which one of the following choices best;g; jhts5sqhy432e4yzzbp s * represents the speed of the car in tp2qhy e;s5z*hb; zs4gys3j 4 SI units of m/s?

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30#
 
单选题 ( 1.0 分) (组内13/26) 切至整卷模式 搜藏此题  
  09.02: A room has a f7etetq/ w-nq :loor area of 25m2. What is this area written in cm2?

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31#
 
单选题 ( 1.0 分) (组内14/26) 切至整卷模式 搜藏此题  
  06.01: The mass of an objimr.8you-lio 0,,if wect is recorded as m=2.10×104kg. This mass has been recorded with how many significant digits?

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32#
 
单选题 ( 1.0 分) (组内15/26) 切至整卷模式 搜藏此题  
  09.04: The length mea d+2;88dfi-xf qs 6:u ,dgktz ox.qkybsurement L=0.01230cm has how many significant digits?

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33#
 
单选题 ( 1.0 分) (组内16/26) 切至整卷模式 搜藏此题  
  10.03: The following 3 measurements of length ar 5 k1zitf*m.qxe given: L1=22.05m, L2=6.1123m, L3=89.6cm. What is the sum of these measurements using rules of proper significant digits?

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34#
 
单选题 ( 1.0 分) (组内17/26) 切至整卷模式 搜藏此题  
  16.04: The following four length measureu t4 +,gzi(41pqzg4g :tylpxdments are recorded: 5.4×10−1m, 5.4×100m, 5.40×101m, and 5.400×10−2m. Which one of the following choices best represents the sum of these values using the rules of significant digits?

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35#
 
单选题 ( 1.0 分) (组内18/26) 切至整卷模式 搜藏此题  
  11.04: The following 2gsv3-1b3n us a measurements oflength are recorded from an experiments: L1=4.57×103m and L2=2.130×102m. Using the rules of significant digits, what is the sun (L1+L2) of these measurements?

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36#
 
单选题 ( 1.0 分) (组内19/26) 切至整卷模式 搜藏此题  
  17.17: The following lengths are added 8l tgsb(6nm0z.vkjo2together: L1=8.36×101m, L2=9.20×102m, L3=1.39×10−1m, and L4=2.1×100m. How many significant digits are in the resulting sum?

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37#
 
单选题 ( 1.0 分) (组内20/26) 切至整卷模式 搜藏此题  
  15.11: Two length measurements ar)*q gq8 rvnit 1*v5hblq.t tp9e made and recorded as L1=84.55cm and L2=33.55cm. Two other length measurements are made and recorded as L3=1.750cm and L4=1.250cm. These measurements are used to compute the quantity (L1 + L2) − (L3 + L4) using the rules of significant figures. Which one of the following choices best represents the correct result to this calculation?

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38#
 
单选题 ( 1.0 分) (组内21/26) 切至整卷模式 搜藏此题  
  16.04: The following four length measureme6pgfy85f 1lmje)c/l knts are recorded: 5.4×10−1m, 5.4×100m, 5.4×101m, and 5.4×102m. Which one of the following choices best represents the sum of these values using the rules of significant digits?

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39#
 
单选题 ( 1.0 分) (组内22/26) 切至整卷模式 搜藏此题  
  17.17: The following length are adde-fq*gv*4 2nwf5bopiih 7a2qh d together: L1=8.36×101m, L2=9.20×102m, L3=1.39×10−1m and L4=2.1×100m. How many significant digits are in the resulting sum?

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40#
 
单选题 ( 1.0 分) (组内23/26) 切至整卷模式 搜藏此题  
  05.30: A scientist measures the dimensiof (jpp(g;v,ffcm-kv5 r* l f4lns of a rectangular solid to be 1.000mm×20.00cm×5.00cm. Using proper scientific notation and significant digits, what is the volume of the box in units of m3?

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41#
 
单选题 ( 1.0 分) (组内24/26) 切至整卷模式 搜藏此题  
  12.05: A solid rectangular box is measured to-k4 bvit+yztolh 701o have length L=13.34cm, width W=8.45cm and height H=3.36cm. Which one of the following choices best represents the volume of the box using proper significant digits?

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42#
 
单选题 ( 1.0 分) (组内25/26) 切至整卷模式 搜藏此题  
  13.13: Which one of the follorg: kqmms p/slwws(, ( :yo.p8wing choices represents the measurement with the most number of si(l.w( sp/o:yw mm:rp gs8 k,qsgnificant digits?

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43#
 
单选题 ( 1.0 分) (组内26/26) 切至整卷模式 搜藏此题  
  10.04: Which of the fo8is clovsx,+ a b go2.repq.02f2aic9llowing relationship correctly ranks the three given speeds from least to greatest? The speed are give0f qseb2 ,g2+c9il oaiv8scxp2o ar..n as v1=1.25×10−4cm/μs, v2=0.076Mm/week, v3=9.50km/day

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44#
 
单选题 ( 1.0 分) (组内1/5) 切至整卷模式 搜藏此题  
第 3 题组 (共 5 题 5 分)
  06.12: Experimental 8 4xzfq7 nmz)mdata are taken. Which of the following statements is correct about the precisim 7xmqf)z4z8 non and accuracy of the data?

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45#
 
单选题 ( 1.0 分) (组内2/5) 切至整卷模式 搜藏此题  
  14.02: In the laboratory, a student makes the following 6 measurements fo dkp2vry8k:ng .0x+phr the length of an object: 5.05cm, 5.06cm, 5.07cm, 5.06cm, 5.07cm and 5.09cm. Using the rules of significant digits, which one of the following choices corre2+yvpnkd0xpgh kr8 :. ctly represents how she should express the average length of the object?

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46#
 
单选题 ( 1.0 分) (组内3/5) 切至整卷模式 搜藏此题  
  07.01: A standard centimeter ruler is shown. Which recorded value is thfna 4, mm4/s/:flxu+t9f cefqpk0q b8e most correct for the location of the shaded object’s rigfaq4s 4m m:8xffnqltk/p /f, u0+cb9 eht end?


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47#
 
单选题 ( 1.0 分) (组内4/5) 切至整卷模式 搜藏此题  
  18.07: What is the percent unccl04rs6crw 0r tz*p5(u:ppdm ertainty in the measurement 2.54±0.16cm?

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48#
 
单选题 ( 1.0 分) (组内5/5) 切至整卷模式 搜藏此题  
  19.17: A sphere has a 4;a h+ne cbo)lradius of 1.96±0.01m. What is the approximate uncertainty in its volume?

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49#
 
单选题 ( 1.0 分) (组内1/15) 切至整卷模式 搜藏此题  
第 4 题组 (共 15 题 15 分)
  95.17: Which is a ve vp76 d13cxl1og egm5jctor quantity?

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50#
 
单选题 ( 1.0 分) (组内2/15) 切至整卷模式 搜藏此题  
  98.01: Which of the following is not a vehyjozj8/.ilyi99v e.ziwr a /w*., i yctor quantity?

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51#
 
单选题 ( 1.0 分) (组内3/15) 切至整卷模式 搜藏此题  
  05.01: Which quantity is not6a dy+ +x+2ux plygl:3xkpl03 noc2ze a scalar?

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52#
 
单选题 ( 1.0 分) (组内4/15) 切至整卷模式 搜藏此题  
  08.01: Which of the following quantity isgk9u1-jyf4* ;iw u,fzs0twh j a vector?

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53#
 
单选题 ( 1.0 分) (组内5/15) 切至整卷模式 搜藏此题  
  10.02: Which of the following is not a vector quanzk sfa 3:hcy6.tity?

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54#
 
单选题 ( 1.0 分) (组内6/15) 切至整卷模式 搜藏此题  
  11.16. Which of the following is not a vector quanti:ycy7kz7 g6r nyb.lqe d *i7 fq*h:kk3ty?

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55#
 
单选题 ( 1.0 分) (组内7/15) 切至整卷模式 搜藏此题  
  12.12: Which of the following is puq j-/m*us+ ka;s(q ga scalar quantity?

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56#
 
单选题 ( 1.0 分) (组内8/15) 切至整卷模式 搜藏此题  
  14.09: Which of the fo(llhi8pmkk ukof,q,a+ 76p, zllowing is not a scalar quantity?

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57#
 
单选题 ( 1.0 分) (组内9/15) 切至整卷模式 搜藏此题  
  15.03: Which of the following i. 3:b9ug8ba or,sbw wbs not a vector quantity?

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58#
 
单选题 ( 1.0 分) (组内10/15) 切至整卷模式 搜藏此题  
  17.03: Which one of the following choices i4bhg u+ j9tlb4s a vector quantity?

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59#
 
单选题 ( 1.0 分) (组内11/15) 切至整卷模式 搜藏此题  
  06.02: How tall is a flagpoll)gx9igr ;bh )-eed-pe if the sun is at a 53∘ angle above the horizon and the shadow is 8.0 meters long?

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60#
 
单选题 ( 1.0 分) (组内12/15) 切至整卷模式 搜藏此题  
  99.06: An airplane with air speed 120 km/ wzk n(jg8k.j(h is heading due north in a wind blowing due east at 50 km/h. What is t(kwg.n (z8jkj he ground speed of the plane?

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61#
 
单选题 ( 1.0 分) (组内13/15) 切至整卷模式 搜藏此题  
  97.40: A boat is traveling at 6.0 km/h9e.,c. aoqh4u-u as de,jwfl : 30∘ W of N with respect to a river. The river is flowing at 3.0km/h from W to E. As observed from shore, the boat is traveling

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62#
 
单选题 ( 1.0 分) (组内14/15) 切至整卷模式 搜藏此题  
  02.03: An airplane takes off and flies jsdgp (vp97wry;df + 4300 miles at an angle of 30∘ north of east. It then changes direction and flies 600 miles due west before landing. In what direction is the plane’s landing point from its starting point?

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63#
 
单选题 ( 1.0 分) (组内15/15) 切至整卷模式 搜藏此题  
  15.36: Rain falls vertically at 12.0 hk j m:8z(v*q:ri 0h*sgce-wcm/s with respect to a stationary observer. A car is moving at an angle of 40° below the horizontal with respect to the observer. A passenger sitting in the car notes that the rain makes an angle of 29.0° with the vertical. Whaqes80wghr:(c-k :c v i**hzjmt is the car's speed with respect to the observer?

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64#
 
单选题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 5 题组 (共 6 题 6 分)
  07.02: How thick is the average page of a physics text book in micrometers ,amse:;-jt4 qz(rh wh?

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65#
 
单选题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
  09.01: Approximately how many seconds is it untbv5c i x 8gbs1f5o g5l-;1mlo vmkj43eil the PhysicsBowl takes place in the year 2109 moif5314m o v-sl b5;c vjgx glb8k1e5?

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66#
 
单选题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
  10.01: The very firsu*4ij3ojp 9 h7dohoy q*u4kt6r5bv u70bqp o7t PhysicsBowl took place in 1985. Approximately how many seconds ago did students compete in thi*7uv6 ybkr hqpj up9qo4d 0oo7ui 53bh*jt47 os first contest?

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67#
 
单选题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
  06.11: The number of seconds(-dx/td5m,mprvho p;4 q tf 4d from now until the beginning of the next millennium (year 3000 p(;fdtdotm xh5 4/qm, dr4-pv) can be approximated as 10x. What is x?

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68#
 
单选题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
  11.01: Which one of the following choices best representvk0dnbg na;/kh:q .c* a-b8sas the average mass of an adult human male? 8ns-;b.bv0/a:ga qdan ck kh*

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69#
 
单选题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
  11.21: Which one of the following choices best repre 0r:i zhmoho 1ss p7;.cxs-0emsents the time it takes for li0hhix .0so;rcm p s:zsm-o17eght coming from the Moon’s surface to reach the Earth?

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70#
 
单选题 ( 1.0 分) (组内1/22) 切至整卷模式 搜藏此题  
第 6 题组 (共 22 题 22 分)
  01.09: The 1st Law of Thermodynamics is a simpl m7mrsmf:6q z e5zj9,we statement of the Law of the Conservation of q7 mmm9z: e ,56jrwfzsEnergy. It was first announced about the time of

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71#
 
单选题 ( 1.0 分) (组内2/22) 切至整卷模式 搜藏此题  
  06.05: Newton’s First Law is based on the experimental work of wmfm ot+iey*8 byi-n-3hich person, who rolled spheres downt y-n-f3m eo*i8+bimy and up inclines?

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72#
 
单选题 ( 1.0 分) (组内3/22) 切至整卷模式 搜藏此题  
  94.04: Newton’s First Law zdqpn3n 1:88 2g goeczis based in part on the work of:

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73#
 
单选题 ( 1.0 分) (组内4/22) 切至整卷模式 搜藏此题  
  04.01: In chronological order (earliest 0ge4yxnkbt bc8+: c x,z7u)dk to latest), place the following events:
Event A: Henry Cavendish's experiment.
Event B: Newton's work leading towards the Law of Universal Gravitation.
Event C: Tycho Brahe takes astronomical data.
Event D: Nicolaus Copernicus proposes the heliocentric theory.
Event E: Johannes Kepler's work on the orbit of Mars.

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74#
 
单选题 ( 1.0 分) (组内5/22) 切至整卷模式 搜藏此题  
  06.39: Chronologically, order the following events from earliest to most recen- oq5a +p-.re xytsxm1t:5m-qyo xasex.1r p+t-
Event A: Albert Einstein describes the photoelectric effect with light as a particle
Event B: Isaac Newton’s theory on optics
Event C: James Clerk Maxwell derives that light is an electromagnetic wave
Event D: Thomas Young’s double slit experiment demonstrating light as a wave

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75#
 
单选题 ( 1.0 分) (组内6/22) 切至整卷模式 搜藏此题  
  16.08: In the history of physics,r)ri.v 2os;4 soae fp: the names Nicolaus Copernicus, Galileo Galilei, James Clerk Maxwell, and Isaac Newton are very recognizable. Which one of the following choices correctly orders these names chronologically by the approximate dates of each person’s scientific work (endsr2f ;ver.o:asop4)i ing with the most recent)?

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76#
 
单选题 ( 1.0 分) (组内7/22) 切至整卷模式 搜藏此题  
  12.32: To whom was the first Nobel Prize in physics awardedch+ q-aj7z7 nu?

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77#
 
单选题 ( 1.0 分) (组内8/22) 切至整卷模式 搜藏此题  
  94.23: Albert Einstein w3gm 0dl1g3nhaon the Nobel Prize in Physics for his work on:

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78#
 
单选题 ( 1.0 分) (组内9/22) 切至整卷模式 搜藏此题  
  13.19: Which physicist won the Nobel 978w4m u;mtoiycaa; k Prize in physics partly for the explanation of the photoelectric effe79o yk 4a;mt8i;c awmuct?

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79#
 
单选题 ( 1.0 分) (组内10/22) 切至整卷模式 搜藏此题  
  08.11: Which person has wd(5 6zuph/( udcdupg1on a Nobel Prize in physics?

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80#
 
单选题 ( 1.0 分) (组内11/22) 切至整卷模式 搜藏此题  
  95.23: A Brief History of Time is the title of a(. yt0ad/ jgjc book written by:

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81#
 
单选题 ( 1.0 分) (组内12/22) 切至整卷模式 搜藏此题  
  04.11: The most convincing proof of, ugutzukbj3 0g+(wq k0o-qg, pm25zd the fact that electrical charge comes fundamental sized uniq(0k2gg ob-3uzt5 udupwg,m+z kj0q,ts was provided by the work of

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82#
 
单选题 ( 1.0 分) (组内13/22) 切至整卷模式 搜藏此题  
  07.32: What does LASER stand foc/ d., 0gs aprs24ujq -mhfes6r?

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83#
 
单选题 ( 1.0 分) (组内14/22) 切至整卷模式 搜藏此题  
  11.20: The transistor is a solid piece of semiconducting mate k,+b73tyq(zub9d e3vzsy3qfrial with many applications in electronics. The initialez dbbt9,q7 s 3vk3u yy+f3(zq development of transistors and the Nobel Prize awarded for its invention occurred closest to which calendar year?

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84#
 
单选题 ( 1.0 分) (组内15/22) 切至整卷模式 搜藏此题  
  14.06: MRI is a commonly used acronym for a medical diagnostic techniqu-uf flti- 8l39yly sb1n/t:zre. MRI stands for which one of the following cz-fsl u:-f 31rny/lt b8iytl 9hoices?

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85#
 
单选题 ( 1.0 分) (组内16/22) 切至整卷模式 搜藏此题  
  94.13: The purpose of the Decembs4o- zhgga9 1.bw, nq4lx iyy-er 1993 space shuttle Endeavor mission was to repagy iqhnx-z,4g .s- 9b4oa1 wlyir the Hubble Space Telescope. The shuttle astronauts corrected the major problem of the telescope when they: A. replaced an improperly ground lens.

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86#
 
单选题 ( 1.0 分) (组内17/22) 切至整卷模式 搜藏此题  
  10.13: The Large Hadron Collider (LHC) is the large xm*xuk3fwojb;e 1.k9st particle accelerator in the world. To which of9f1 bm*xewxk3. o ;ukj the following countries would you have to travel in order to visit the LHC?

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87#
 
单选题 ( 1.0 分) (组内18/22) 切至整卷模式 搜藏此题  
  11.11: The largest pa*2yi 7( ajlmvdrticle accelerator in the world is called the LHC. What does LHC stand foi(7d aj v2y*lmr?

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88#
 
单选题 ( 1.0 分) (组内19/22) 切至整卷模式 搜藏此题  
  13.11: There was great excitement in the physics coet -:x+kmgw8yzy 2n* gu+r8qu mmunity because of an announcement from the LHC during the summer of 2012. Which one of the following choices best repr-k:yzw2* 8+qy8 +mgrxueu ngtesents the reason for the excitement?

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89#
 
单选题 ( 1.0 分) (组内20/22) 切至整卷模式 搜藏此题  
  14.19: In 2013, the Nobel )ugpc fc19o,, gtwok(Prize in physics was awarded "for the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discoc) o91kgo,,cwp utf( gvery of the predicted fundamental particle, by the ATLAS and CMS experiments at CERN's Large Hadron Collider". The winners were François Englert and

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90#
 
单选题 ( 1.0 分) (组内21/22) 切至整卷模式 搜藏此题  
  15.20: Which one of the following choices best represents the wh+ f97r fa:czdork for which the 2014 Nobezf 7fcdh+ 9:ral Prize in Physics was awarded?

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91#
 
单选题 ( 1.0 分) (组内22/22) 切至整卷模式 搜藏此题  
  16.28: Recent excitement in the physics co1-v1bbu) q 7xivkmkb 6mmunity came from the February, 2016 announcement from Lk)mb u6bv1i xv7b1-kqIGO that

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