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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  开始时间: 23年05月01日 10:00  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time the shuigyrlzfo*g/ 4 t l:r.4p m7b/vtter is open and the film is exposed in a camera is determined by4.z /m4 firpobyvt7gll g* r/: the

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light reaching the film in a cam ,h1p3by hfh8jera is determined by the

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex camera the len2pw kknxpq347r i:h 7ls-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzq4p wn2kk: h r7ipl7x3zy picture is obtained, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers mju u+(omkw4 fng .+7lthe film with a field of view that corresponds approximately to that of normal vision is referred to +jowmfn7.+u mk 4lug(as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telescope to magnify images is referre,zf y-o pso)lrcff0ph h*)-9vp9f *mtd to as a

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers waw6s rs b81,9kko4hai+l(ltq6mj 5y the film with a wider field of view than that of the eye and through whokm b,5 qsrls4 61+wi9hak6a( j8tl ywich objects appear smaller is referred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following wad/1)bxuftq* 8axogz) ys is a camera different from the human eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of light by the eye occurs .+ zull-zef,g7 d-ktp at the

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an e:clo7a,*m6(vj crzzxt 81g aqye can see objects clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at which an eyeh6ht ,*n6jx .fsk ;xtz can see objects clearly is

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too long from front to back, thn t :p.z3(ql rfr5i+nh90ggive person is likely to suffe +g ( rr.ifpn:gt0qi3h5z9nl vr from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be corr + .ppqmew;m69tp gsf+ected with

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball i66s ot ydldg)*s too long from front to back, this gives rise to a vision defect that ls* tdgod6)6y can be corrected by using

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too s . urzi*ajvm d0/+,bwyhort from front to back, the person is likely to suffervb,+/y*.wizj u rmd0a from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be co j:46;k mgtxjbzb-ce +rrected with

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too short from front to back, th: t+x 1d-4vte;pve8pl d(grzyis gives rise to a vision dl4 xttyvpd;p - g1(ze8v dr+:eefect that can be corrected by using

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnjp t7bp6b 0ns+ifying glass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a very large diameter objective z98csp*h0qm iin an astronomical telescz9 8hms qp0ic*ope is

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed0 i jj42e9,a pen/niab by a refracting telescope. Suppose an opaque screen is placed in frontj4i9b ,ja e0pen/nia2 of the lower half of the objective lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used hasa(h*izi, v.5 bk9 sppq uniform sensitivity throughout the visible spectrum, in which of the following cases would you *zkips q9iav5p(b ,.h be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope has a magnifil;g,ctse 8/bike 9kmnm,3nd2cation $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light would you expect to be able to see the greatest detail wyi3o6)v35y o,eimdhn-qp x:zhen usi5pz,o3nedyv6-3)i qmyoi: x hng a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer vn e kzoc1ycn*j,gh19 u-es8-0 ct5mofrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffead :53lqy.qdd r from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a micr6-y81 xflqonq8qj* a zoscope refers to the ability to

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the diameter of a radar dish is doubled, what happens to its resau n/5na* .h5.ow*ye ad. bq y k54m(p2kebxtnolving power assuming that allnd5aybakn.2/q oywu b.nk.* hxa et (5 pe45m* other factors remain unchanged? Its resolving power

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A near-sighted person has a far point of 18;*:bcwcmx,u (/hyw ac cm. What lens (in diopters) will allow this person to see dist: hwm,xc*c/by(aw;c u ant objects clearly?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person cannot see clearly objects more thbu5i qdh;cobo . 7f 3,/w3ujkean 70.0 cm away. What power of lens should dk3; owh5eu o/cb qubf3ji7.,be prescribed if the glass is to be worn 1.00 cm in front of the eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glasses whose lenses (c5nky2l5yhp 2 iin2 xhave power of -0.15 D. What is the person's far point if the glasses are very close to the 2(22 i nnxy55hl kiycpeyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is needed to correct for farsightek5emjp/m+o /byd wz462f zc,ldness where the uncorrected nea d5 lyfom,/z pceb2zk m6jw+4/r point is 75 cm?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The near point of a farsig p.tb hiuus ;tyhl;e2anc-4 n(2 o6(ulhted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortabl(in el-pn24uy; tcu6hb(ho;a lut2.s y read a newspaper at a distance of 25 cm. What lens power is required?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can i j*0kv ;.tt13s sghiuread a newspaper held 25 cm from his eyes, if he wears glassesvk 0;.3stujhisg*i 1t of
+3.33 diopters. What is this person's near point?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length o1 n1qf5m 8aly+pcrt gyr,wh6/f 10 cm. A person has a near point of 25 cm. What is the magnification of thp6 c,yra g l1 8+5y1wrfn/thqme lens for that person when their eyes are focused at infinity?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10 cm. A person has a near poiu0jn ,ufi :710pg.v u;w;rs3 xuidazv nt of 25 cm. What is the magnificatio0rivuzxgid;w sf7,uj un ; .1 v30u:apn of the lens for that person when their eyes are focused at their near point?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass has a focal length of 7.0 cm. What is the . z ()sg gt63lvhbfl/qmagnification if the image is viewed by g g3(v lzthbf)/6q l.sa relaxed eye?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0 cm as a magnifyi d;p0je+ i0cvnpo11al hnn51jng glass. What ij+apn01pel5 njn h;d0ci11v o s the maximum possible magnification?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal leng5be ))cq lu1elf rl50wth 5.0 cm as a magnifying glass. What is the magnifec 0e5q)lfulb )wr51 lication if the person's eye is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.0 cm, 4ku:alj 8c;/bm p z,fb).0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification b;fbj:alukp ),zm/8c you could achieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths f:hq4djn42qp1 pp )xssd ,y z72.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescysd:d4qxs4f)npq1 27 zp, hj pope, what is the lens separation for the maximum magnification telescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope has a focal length of 200 cm j)po,pbwovp ouq b6x7ndr3li7/0d 0. and its eyepiece has ab.qovx/doplp 6 upr)jb7 03ido, 7 0wn focal length of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope w 7 ,ma:;nrfwjp+nj 8yge4z eo.ith a magnification of 10. If the telescope has a converging lens o ;7o+a8rf y nnjwpe,mg 4j:e.zf focal length 50 cm, what is the focal length of the eyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical tn;kyp .qpib/sz60w(u elescope with a magnification of 10. If the telescope has z0p .;/ bypiqwknus(6a converging lens of focal length 50 cm, what is the resulting length of the telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X telescope. If the dzty)o /zw ysxg26r)1 telescope is limited to a length of 20 cm, what is the approximate focal length of the obje 1rdzsox2 6zwt/)yyg)ctive?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focal length 1.4 mm and an eyepiece of f (8ckk6l 1 1qkjwavo8uocal length 20 mm, adjus6 18 kowaukcqvjk18 l(ted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenses?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focal length 1.4 mm and an eyepjaihxb)gul-r713r rb4hn j/l2y-c uy; 51fd aiece of focal length 20 mm, bx1/ 2lru-rn5yl ji3 ahdgcb4 j7;fru 1- h)yaadjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has an objective with a focal length of 3.00 mm and an e5q ekta:cen25 yepiece of focal length 6.00 cm. If the two lenses are separated by 40nc5ke ta:e 25q.0 cm, what is the total magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-cm barrel and an objective with a fok1yvl++v 4g br;, t;j 96wlz-nenehqjcal length of 8.0 mm. What is the focal length of the eyepiece to give a total maggn+ +;-9lhv;ver l1yqj6,4je t kbwnznification of 240?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the constellation Orion has an angular/brcj , :6jecm separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescopej ,c ecb:m6/jr that can just resolve the two stars?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to 4a nr-cuc7kn a*5 l4lgresolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cmllc447urcgn- ka 5 an* and the wavelength of light used is 550 nm, what is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye i) gqim:v8g6ey cjyn/rd/9c5changes from a diameter of 3.5 mm to 1.5 mm as the illumina/: j9gyrgq/ emndiv85ci cy)6tion is increased. By what factor does the minimum angle of resolution change?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth dqo k, ta- d3 ut2pjck*4/8.tqlcrn y1orbit by the space shuttle. 2-3nc klu*t/ ya4dtk1rjq,doc p8.qt What angular resolution could this telescope achieve if the wavelength is 500 nm?

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