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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 not one of the seven fundamental SItczkl7.-co- z units using the Mc7kt zc-lo -z.KS 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 unij o)/87 /kjf pc)oymbdt for velocity is V, and the unit for time is T, then th8moj/ bj/7 cd) ypok)fe unit 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 velo3 ko7b0fs 5hzucity V, and the unit for time T,us 7bh50o3f zk then the unit 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 ea)d.z*no/umrepresents units of length, and T represents units of eaz.m)*u o /ndtime, 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 a unit or,3e jf1lvs.s f:

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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 be a correct unit for prx ekv 7 /)+lxffr-x 0m1,wwlnuessure?

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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 oqo 7g20.mixroh/s l8k f:

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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 quans* m,9jv-j pnctity that was equal to one light-year. Which one of the following choices rep,jv*sp jm9c-n resents 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 equation 05mk/nhsln k;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 namewn ekg33,yy3u3jka7t2gb *ma d the newton in honor of Sir Isaac Newton's contributions to physicnkb 7etg3ykyu j3 m*aw3a,g32s. Which of the following combination of 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 thejh5c*fa40gz i7xjhx 1 following quantities can have its 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 )snno lbk,v+8v,( qf yOhm 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 atk4aaq4hoz x21w;yj) 1lrq 9u-ue 8uassociated with "the measure of the resistance of an object to length xl z1a1q4aojrw-u2a4t9 ek h)8 ;uuqy 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 pro kla:6dac- -ijayrvv.l*39 vm blem has obtained the answemc.a-dajlkr*lv: v v6i-ya93 r $50\;J s^2/m^2$. 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 represe5;gzsjb1ij8 fg3hf.(xs c- hants the smallest amount of timehi s;cs3hjbaf 5j-1zg 8 .xg(f?

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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 equgpej7n2rawh usz: *51z-e+y6mifs h .ivalent to those from computing the square root of the ratio of the Universal Gravitational constant to Coulomb's constant. Which one of the 1ej z. iu7 sryhpe: *a6hsn2wz+m5g-ffollowing 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 Planck tikkrhoyz5e8 * 0me $t_{planck}$ 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 divi 02j7g7iauhnj ding the distance of 12 Mm by the time of 4 T jnh 7ji027gaus?

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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 computese ky)c8t0 ;b- dxzzt5p 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 approxir*1zzw8/ n69zgtiowjp6m m ,jmately $31.5 \times 10^7 \; s$, 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 meters can be written as 4oxs-4y3v vfy:w,mef one kilometer. Which one of the following choices best represents a difv,43: vox4mfe wysy -stance 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 folln)r1w(laivy z6+ :;cq kecd0oowing lengths is the 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 amfbe)59h1 u;p*jju t5 nl8gmc laser is noted to have a wavelength of 632.8 nanometers. Which one ofl)nbhcjf95 uj;g ut8 *m1pem5 the following choices 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 dwd3dw ,e.nu, p).+xm0 f.hzav iufw8signal with a 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 correctly represcwtbn bc;wjll ;882+bj+7x;vbch i 6, rc 9zwuents 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 1chi51 gyaudv:o8(wo4t -y n(g 7.8 gram and dimensions of length: 3.00 cm, width: 4.00 cm, and height: 2nty 4o g(yg8ovc1:5wdi ahu(-.00 cm. Which one of the following choices 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 repbv8b2f 3d4 axa 5-2ev3uri)jei dd)ll resents the speed of 60.0 miles/hr rewritten in units oi322e4vdbd b 38dur-5ealvf)l ) xja if 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 speeds o s:vgihd ,eb012f+g of light usingh 2s :+isb gegv1o,0fd 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 at 20.0 miles/hr. Which one of the following choices beszg gg (7xo4yuegc 0+1lcx-qx*t represents the0 ey 4g(1x -lxogugzqc xcg+7* speed of the car in 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)9 nidt vxvj+w os 4 0*hbyom8w/16ocv area 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 objecthn .6, )ykgtva is 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 measuremek wwx yd*q 9)h+oauqu015nea 0(xcw*snt $L = 0.01230 \; cm$ 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 measurements of length ariui 4s-3 3opzle 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 pm;+9s6yw - fiviil 0vfour length measurements 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 reco0ur cpc* )7:8gboiro omj-sz 2rded 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 length+y9vpm4k7j1 -jrnt irs are added together: $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$, 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 measurements are made and recordm ;l 2fx0rg 8vch dps1b6zp:9fed 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 fouxaq(ry) 9 f/g+xml9o er length measurements are 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 followingv 5g/;2 rf 5 tgajvdqmjl0/xv+ length are added together: $L_1 = 8.36 \times 10^1 \; m$, $L_2 = 9.20 \times 10^2 \; m$, $L_3 = 1.39 \times 10^{−1} \; m$ 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 dimejg9fc3/;x3cdc u uf e2nsions 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 mehopi,4tj xm+ d-pif/68f+ylg 4xd +gdasured to have length $L=13.34\;cm$, 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 follw,fev p )g ue vq,pb((rr39tn+owing choices represents the measurement with the most number of significant digits? n )egru(q(evvtrwf,pp+ b, 93

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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 following relationship correctly ranks the three given jw:h - yzfcjj qesv.6b,.h33y speeds from least to greatest? The speed are given as -3 . fh,:zj6vb.s hy3eywjj cq$v_1 = 1.25 \times 10^{-4} \; cm/\mu s$, $v_2 = 0.076 \; Mm/week$, $v_3 = 9.50\; km/day$

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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 taken.pvu,gm4rdr/y;px w t6p:+z 7e Which of the following statements is correct about the precision dp7,tu;4+rmrp wy:x/ gvepz 6and 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 measurement3.)t tog8yvrk s 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 the average)k 3 y.8rvottg 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 recoi 6t0 5bd8mrg (62oelkgx0lb srded value is the most correcttklg8l id0 056bs( xb2mr6 oeg for the location of the shaded 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 uncertainty in the measu g h5wq9(xh0zr9 bh7owrement $2.54 \pm 0.16 \; cm$?

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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 rwdz +drb+bn e lx(srjjk,1 619adius of $1.96 \pm 0.01 \;m$. 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 vectqnmjthop0g : f-t2 ub0fp7s /,or 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 vakgi y(awfl,otq,*as)8 d3 f,ector 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 nothog1n0h l (xjqb 8lo82 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 is a ven.w3(, k:rgdbgks.0ipspp)wd :v5 e m ctor?

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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 quanfu- pkot,, wp-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 nb i1w35rx y*sbot 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 followingj7o cpaus6h 4eyu:9. t is a 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 follo- 1lhekg*ii g5wing 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 is not a vect0nqg*m)v90hinm u cd/or 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 t) ka z;n5xdl7f)rapus d3a2e 9he following choices is 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 flagpole if the sunsibil(k) y5 5rvu/4)kmq s;kg 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 headf j)tlzz bn50l(x av*0fe,jiqp r-a- 5ing due north in a wind blowing due00zftalexfa-p * nj -l)iq (jz5rv5b, east 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 6.0 km/n8sncmy4 q 26eh $30^{\circ}$ 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 fli9j sh7iwim42 wes 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 suqtsf) q/yf*3iv 7f9 dtationary observer. A car is moving at an angle of 40° below the horizontal with respect to the observer. A passenger sitting in tyuq ti9dsfq/v*f7 f3)he car notes that the rain makes an angle of 29.0° with the vertical. What 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 thc6brwrd6quph- u8j: /xgg 2 5je average page of a physics text 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 he6 b98ietlah n93hz0 how many seconds is it until the PhysicsBowl takes place in the yei9e z8ahbtnhl 9e603har 2109 ?

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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. Approximatelyx( ucjrex u.f*eu *,a8 how many seconds ago did students compete in this f au* ,xce*(xjure fu8.irst 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 beginning of thjc 2 b .96yslc-f3orkle next millennium (.lc2b rkf3jl 9 yoc6-syear 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 the following choices best represents the averag*hos1z(5zothnz )ju / -f vhk6e mass of an adult human mal h6h1*) okn(z ohz5-vu/jtz sfe?

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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 thk0es z ym(j2 (7-efdtme following choices best represents the time it takes for light 2((d0- m7k yftezsjmecoming 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 Thermodynamic.3 6 dvnvcaeg8-rlaq v +iuv09s is a simple statement of the Law of the Conservation of Energy. It was first ann+v03 9v r6cqg ue8. vvalan-diounced 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 experu kf.w2(c ;st)-j.sr o lrxl+cimental work of which person, who rolled sphewcs.r+ o; xjr 2.ck lflts-u)(res down 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 is based in part ojj)nub- ;q7;o ts6aqxn 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 to latest), place the following events-vfh4ey 81 lkprt;r2 w:
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 fr437kkhkmj *nubfz*r ,rw5d :som earliest to most recent:*kjr rnk4:wb3z,*kd u7shf m5
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, the nn.;jd*2m zcen(3/ q a5ijp xshames Nicolaus Copernicus, Galileo Galilei, James Clerk Maxwell, and Isaac Newton are very recognizable. Which one of the i*/c;2 x z pnmdje5.(js 3qnahfollowing 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 pr0 5*7tioo kxnhysics 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 won the Nobel Prize in Physics for his woror.g0w: b0a;ehx 9fglk 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 d9,ir*y exr rpn.d4a 7physics partly for the explanation of the photoelectr74rn.a*r9d d xep iy,ric 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(;pnmu4ys k2a wa(i*i 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 th; o*f9 (;(vcezsngtry6kgh-me title of a 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 the f e+b.znt(v1o nact that electrical charge comes fundamental sized units wasotn.bz1 evn+( 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 stanf)- ( exdxj0sm:xv r,ed 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 solidlpbtz*+gwgin y5);/ k piece of semiconducting material with many applications in electronics. The initi gb; pl)w+t/kng*i5yz al 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 comm8,hdv j:t0 6k9eie 7r)we,dyq* h ycmuonly used acronym for a medical diagnostic technique. MRI stands for which one ofej:7i*,m ,h e 0e)r9ytvdy6kw8 cdqhu 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 theo g*iv/zjo38yyif 1y u9x/.7crjx+gi December 1993 space shuttle Endeavor mission was to repair the Hubble Space Telescope. The shuttlex3 y./ii9xcjz7uj*yy/ +1 gf8o rvo ig 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 Colliderlgkgk2 x2nfz44c z3/ r (LHC) is the largest particle accelerator in the world. To which of the following countries would you have t3n2 f24k zk /rzlggc4xo 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 p-.q.zmnsc:k 5vw7 *bk9oqa o garticle accelerator in the world is called the LHC. What does LHC stanma : q9bc.5wkgos7 -*nzov.qkd for?

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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 physic+/o.ak 4k cch.ut( qxws community because of an announcement from the LHC during q ka .o/twcc4x+.hu( kthe summer of 2012. Which one of the 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 Prize3bhad lm2) z)w 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 theawh3)2 d)zmbl 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 repnbt9p gw-84p no;q8t 1/notp vresents the work for which the 2014 Nobel Prize in Physics was awarde tpp -/wo8vo4 1n t9t8gnqp;nbd?

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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 excitemenh*rxx32 b n/d+4piuhut in the physics community came from the February, 2016 announcement from LI2*x4dh rpn ihu+3/bxu GO that

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  • 姓名:游客(未登录)
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