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

答题人: 游客未登录  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 is n9d ie)d jlf1y, or0a9;ivrmf2ot one of the seven fundamental SI units using the jea )rfd1 9;rl iom,f2dy9 0viMKS 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 vqq7 i3aak ap44elocity is V, and the unit for time is T, then the unitqka4aiq p3a4 7 for energy is:

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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 unit for velocity V, anb9:e 4 c0aufyyd the unit for time T, then the unyby: ce4 fu90ait for 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 units of mass, L represents units3j r(a7k)lz hlhi,4jh of length, and T represents units of tim jzhijr7 ) (al3hl4h,ke, the dimension of power 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 avhl z );8(sj,rj(m dz7mizy o: 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 following could b1 .b8g 6qqentbe 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 a unit ofxkq;xa8vj4s : :

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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 qu7 3/so9gz qmtxve 41qmantity that was equal to one light-year. Which one 39go4 1mvx 7tzsqeqm/of the 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 equatiob) ttc 4x soz3v/u6i5cn is $E=mc^2$. 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 v *n-opcr3wk 6jry,8pnamed the newton in honor of Sir Isaac Newton's contributions to physics. Which of the following combination oynwo rjk3*r8c,6vp-p f units is the equivalent 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 quantities can have if(g;o y: pjx,-i+ jkmbts unit expressed as $ \frac{kg\,m}{s^2} $?

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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 fundamental SI units, the Onqvhta);d5 37h5a bg+hq0 lnyhm 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 fol /o0 4npvqxws6ee65qh lowing terms/quantities is most closely associated with "the measure of the resistance of an obj4qehqpev 5n os 0wx66/ect to length 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 on an energy conservation problem has obtained the answxnt27qz7zx-j ne + u-mx n+ x-2qmjet -z7uzn7er $50\;J s^2/m^2$. 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 the smallest amount of tiq k7,v*zgjg3hep ( :uime gj(zhe*,3 ui:p7g qvk?

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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 huu2kms8vf:c e 9vw+b 4as units equivalent to those from computing the square root of the ratio of the Universal Gravitational const2 m 9cev:4 8vk+uufbswant to Coulomb's constant. Which one of the following choices 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 the Pdo36v l3j /8syapb)ls lanck time $t_{planck}$ which is computed in terms of constants as $t^2_{Planck} = \frac{\hbar G}{c^n}$ where $\hbar$ is Planck's constant divided by $2\pi$, $G$ 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 obtain by dividing the dw/0ln +;tb*yncc. r4,mh ) gxdnl4ao iistance of 12 Mm by the time of 4 Tt xanirw),. y*cl;ln/mhd 0n4o4+bcg s?

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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;.imcu(6aov kmk:z, -.zys2o h( vmeon,g)s a speed as $12 \; mm/3 \; μs$. 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 approxirawj;p6 f 7t5umately $31.5 \times 10^7 \; s$, 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 vl,ium p b18yhzd,-7wl* 4 bhfmeters can be written as one kilometer. Whic8h 4pbhv,wb17yl,fl* miu- d zh one 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 mv9je re0xy wn0 v9(p pi22j;ethe 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 from a laser is b:0i4c h0kwrinoted to have a wavelength of 632.8 nanometers. Which one of the following choices best represents the meaning of the prefix nac0hb4 :w rik0ino?

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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 a0ervy+ fpb* jjp0n11h frequency of $99.99 \times 10^6 \; Hz$. 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 choices cod1d1zcln + xt+rrectly represents a length of $3.00 \; mm$ ?

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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 dimensions of g p 1)6.20shhz6dv gkg bo,ovmlength: 3.00 cm, width: 4.00 cm, and height: 2.00 cm. Which one of the following choices correctly gives the average density of tb mv62zg 6kg0o1d)spvg.o,hh he 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 q 5,zqszmy0 ;rz/:yzr represents the speed of 60.0 miles/hr5rzq;mr 0qz zs:yz/y, rewritten in units 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 ;d 8rwyx(gb;zrepresents the value of the speed of li;8gd(rwz xb; yght using units 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 vs3/ vsn gfobdd6u ++4 w95mz2c qlj6oat 20.0 miles/hr. Which one of the following choices best represents the speed of the car inn/m9o6 s5sd4gw d2oc6v3ujqv+lzf+ b 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 floor ar ,(i5 tucvxr5ur b8f5qea of $25 \; m^2$. What is this area written in $cm^2$?

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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 object is3gp jfq- 3-hqr5 smk3c s0v:sx recorded as $m = 2.10 \times 10^4 \; kg$. 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 measurnxslwn5l. +c- z4 4ooyu5g cr2ement $L = 0.01230 \; cm$ 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 measur ifb;om r893)c mgt4x ky8si3tements of length are given: $L_1 = 22.05\;m$, $L_2 = 6.1123\;m$, $L_3 = 89.6\;cm$. 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 mea owhy-voo- b74surements are recorded: $5.4 \times 10^{−1}\;m$, $5.4 \times 10^{0}\;m$, $5.40 \times 10^{1}\;m$, and $5.400 \times 10^{−2}\;m$. 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 2 measurements oflength are recordu7gl rj5kwi4r ) xia( jtt2o9pv/ w8m3ed from an experiments: $L_1 = 4.57 \times 10^3 \; m$ and $L_2 = 2.130 \times 10^2 \; m$. Using the rules of significant digits, what is the sun ($L_1 + L_2$) 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 toget3pw h qkg*a;e,her: $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$, and $L_4 = 2.1 \times 10^0 \; m$. 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 mea:dl)sp0: sq yr8 5wzdk4k;sxn8n4qtv surements are made and recorded as $L_1 = 84.55 \; cm$ and $L_2 = 33.55 \; cm$. Two other length measurements are made and recorded as $L_3 = 1.750 \; cm$ and $L_4 = 1.250 \; cm$. These measurements are used to compute the quantity ($L_1$ + $L_2$) − ($L_3$ + $L_4$) 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 measurements aujx se s.oich9a2k3-c.s5 yz :re recorded: $5.4 \times 10^{−1} \; m$, $5.4 \times 10^0 \; m$, $5.4 \times 10^1 \; m$, and $5.4 \times 10^2 \; m$. 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 added t5)+g-s hfnn dpogether: $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$ and $L_4 = 2.1 \times 10^0 \; m$. 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 d ; )ywtx4sk2egimensions of a rectangular solid to be $1.000\;mm \times 20.00\;cm \times 5.00\;cm$. Using proper scientific notation and significant digits, what is the volume of the box in units of $m^3$?

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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 have le2:jj(cq;ely/ 4xor.hj*s yq4sk qfz 5ngth $L=13.34\;cm$, width $W=8.45\;cm$ and height $H=3.36\;cm$. 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 following choices represents the measuremj3-6a p maf-6wl:y tjoent with the most number of significant digitsy 3tmloawa6p:- j-fj6 ?

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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 followino vk31j+ s)gevg o/+pog relationship correctly ranks the three given speeds from k 3osoo +vgjp/vg e+)1least to greatest? The speed are given as $v_1 = 1.25 \times 10^{-4} \; cm/\mu s$, $v_2 = 0.076 \; Mm/week$, $v_3 = 9.50\; km/day$

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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 data are 5n-ry0f9oo v4kk ;egbrq m0 c8taken. Which of the following statements is correct about the precision and a4ek98b cr5vo0 0fkno ;mgryq- ccuracy 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 ho6d wqb1lj:/measurements for 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 correctly represents how she should express bl: 6j1oqwhd/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. Whi:z.hml/ h.* jocl v+rbch recorded value is the most correct for the location of the s:hzh blm/ol+v.c.rj * haded object’s right 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 unx/2/jes g +p;i0w4vkvb4 pnhvcertainty in the measurement $2.54 \pm 0.16 \; cm$?

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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 radius b c)*c+ 1mzh+u aab/sf:n.ntlof $1.96 \pm 0.01 \;m$. 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 vector t 7lx(e24m;joj7oyicquantity?

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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 vector quan0vbopnq ,1kl 1rdso,)j 4v :l(6 ymftbtity?

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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 benb8 k1hclr,c*7c/r not 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 i4hyeezgi6(sb5rm u 7l . +tlxjop69p9 s 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 fos k h:5hh)m9 .fzund:illowing is not a vector quantity?

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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 foll,b i ):me +phc k(-:dcwr1bpglowing is not a vector quantity?

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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 a sj m-t4//8 / gzjjl4x( hlwfv gnb5j9ijcalar 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 following is not a scalarf7*1c v22twm*geuxv w 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 is not a vector quantity?s ,ob6 . hn:7zwf:jaqf

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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 is a vec6w8 tnx.8q oygd 7io/htor 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 d8pz kl j*mf83dli7w(flagpole if the sun is at a $53^{\circ}$ 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/h is heading due north in a wind blo5o fi0( +a ;pldsxbi9fwing due fbali+d;50 (fpo9s ixeast at 50 km/h. What is the 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 6.05mmgl3) xsj 0ckn5 pp65y6p ndah ;i0x km/h $30^{\circ}$ 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 fl98otvlz/p0xn -ypc7 -oe lk,bies 300 miles at an angle of $30^{\circ}$ 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 m/s with respect to a stationary *q;k )zlsa-dso0:0w ojamwr- 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. What is the car's speed with rasow;a-w0ds z0)o:mq*- rljkespect 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 texj .1fx muz: 8vftqe7o4t book in micrometers?

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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 until the PhysicsBowl takes l1 j mhf*5r(q iq*y3rymy05dyplace in the year 2yq 5rd (1y 0lf*m35hyy ijq*mr109 ?

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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 first PhysicsBowl took place in 1985. Approximatel8y /alk*khtwhwc58: do3bmvkap;p(: y how many seconds ago dwk v3otpk8;b */hchd: (mk8lw yaa 5:pid students compete in this 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 from now until the beginnfj, mn2p :wh0qing of the next millennium (yea: j2hf nqwm,p0r 3000) can be approximated as $10^x$. 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 thumy8nnel 1 r97e following choices best represents the average mass of an adunel u1mr8 y7n9lt human male?

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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 reprc8n;gxe(tb *b iw*;/:bqunb o tte/b 4esents the time it takes for light coming from the Moon’s surface to reac/btbeq *t xe;cb wtno:;/n8bbu4(i*g h 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 simple statement obd5 3b;xr/9 is* p(q.s exwubqf the Law of the Conservation of Energ;b /ur e3iq9s* dwqb.xxs5p( by. 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:od2(yicey i* which person, who rolled spheres down and up yo *2i(i:yecd 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 is based in part on the work 9 cg.113gtvki0q:b u uy(a mhrof:

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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 to latest), place the followingayka4)3f famuj f,g2 x+oa3 9x0z*h2xq wwdq 8 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 eventshhr0 (hpf7ys 1 from earliest to most recent:ry7 ph0(1hshf
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,bwxpj d+q61 y2 the names Nicolaus Copernicus, Galileo Galilei, James Clerk Maxwell, and Isaac Newton are very rd6yxqw+1b p j2ecognizable. Which one of the following choices correctly orders these names chronologically by the approximate dates of each person’s scientific work (ending 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 p 3 3 m8pvonk9vgntr-3ct s-,rchysics awarded?

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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 wznb bgx:mb5,r ,k,g llu ,g3u6det )z4on 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 Prize in physics partly for the exp ndb3 mw324se:e0b ptmlanation of the photom bn0 e:dpb mse34wt32electric effect?

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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 won a Nob(ua,k j*70 (vec;tqa mmgy 0bfel 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 book written by u+o(av/v5zxe :

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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 cby1 .h/k( aqwv j(sj)es82sdproof of the fact that electrical charge comes fundamental sized units was provideb)8k/ssj cw (qy21.sed jv(a hd 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 LASa(a9b 4* k gdojfuy;g2 d)xme2ER stand for?

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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 semaf49wp.a 3hlvj9qf +liconducting material with many applications in electronics. The initial4a3ph.f9f9a lvwq l+ j 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 usez4)nvs)w*f+pq c4z+,com vk xd acronym for a medical diagnostic technique. MRI stands for which one o4v4 cv,))c* k+zxzq+nfw mospf the following choices?

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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 December 1993 space shutt/z1)(mjgv3 yugxia o) le Endeavor mission was to repair ti)3xo/(g1m uga vj)y zhe 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 Collidepl*9)rrxlfpkjg) ) 2tr (LHC) is the largest particle accelerator in the world. To which of the following countries would you have 2rlr) lj)f* pk t9x)gpto 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 particle accelerator in the world ia 2n dk14np5)9yl0j /v zp aenyiz6gl4s called the LHC. What does LHC stand fo/195ndyl e2ikglzz4p 40 nvyajp6 )nar?

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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 community because of an ayqv-k/n r0s vrvk* t-5w.kfssu (7sx5nnouncement from the LHC during the summer of 2012. Which one of 7k y5stv v.wx- ss50-f/s(q*uvnrkr kthe following choices best represents 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 Prize in0 bmb/ m2n1ebs physics was awarded "for the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and whn0e /ms1b2bbmich recently was confirmed through the discovery 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 h,fooe,8 chf,work for which the 2014 Nobel Prize in Physics wa,, fho8ce,fohs 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 physj . 1gi 4q ddc7uxwfjy,;d0ng:ics community came from the February, 2016 an:g1 ;7f0j, gddd qnui y4.cwxjnouncement from LIGO that

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