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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://autodiscover.51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autodiscover.51fly.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  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 shutter is open and the film is exposed in a camera 5c. kqaem9 gl4is determined by5lak9qg e.m 4c 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 camera is determz f vu+f()a1.suh7p bvined 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 lens-film distance may be varied by slidi(03vd.bt 29c+im g* clfzljanng the lens forward or backward with respect to the camera housi2fv9 zgnm l(altd.j3c bi+0c*ng. If, with such a camera, a fuzzy 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 the film with a field of vie*eh5)w 5/ai8r6ep bghnp2r b rw that corresponds approximately to re)wp55pr*hg 2a r6 ihbne8/b that of normal vision is referred to 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 referred to6y 56n2r8vmcie *wc yb6dy4 hz 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 the film with a wider field of view th)v p.zo7gt/oaan that of the eye and through which objects appear sva .oo) gzt7p/maller 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 ways is a camera different from t3)5 fmolkd5g fhe 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 at t q7iq 5.ixgiwfuw3-6o(w5 f cthe

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance0p x t1,gl)mhzhy(i,f at which an eye 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 eye can see ob1 y/wgu bld01djects 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 txyaxk d:( zx,;6yzge )o back, the person is likely to suffer fro6, xdayg yzxz (:kx)e;m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usku6r:. 7vd rwax, nrn2ually be corrected 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 is too long from front to back, this gives rise tetdk/ 2*b vt lafeg0(9o a vision defect that can be corrb( t90ele /a2 vdf*gktected 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 shofbxl63zn1p; 9l0hfe:fa surz5v2*jj rt from front to back, the person is likely to sujj 6s fv31zl0e 5ahu:;2r* fpx9nzf lbffer 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 corrected wi*/2h quahbn x/th

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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, this gives riv 6nqtcs; h7cv73n7z nse to a vision defect that cann 76qvsnz;7ctnch v73 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 magnifyygk rcdo,pvrc u) fb,9itdv6r2(w7c9n nr26+ing 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 uno h:jqgwl0p (gq9i. -sing a very large diameter objective in an astronomical telesc ghq i:0q9p(l- gojwn.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 formed by a refracting telescope. Suppose an opaque screen i2oz-,tlhh. ioh-grd 3s placed in front of th3hotr g2ido --,hzh.le 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 has uniform sensitivity throughout the visible spectr+w,+ h bdb-*lds4sirg: e z4pgjq gne+7sv/w:um, in which of the following cases would you be able to best dsgs7 ei +g/dg,d *p 4 bl+w znjq:bs+werh-:v4istinguish 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 f8nv di.,1crhhas a magnification $m$. 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 beik+w 90t7 emce able to see the greatest detail when using a microscope?+w mec0t7 k9ei

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff l:/d,,b; u-jx ybh(:et kua.o .zjxfter from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr+e+v,4amu wd ac.bpt6: 1slc 67dn) lxhc,dsf om

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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 micr66gfzg* y4x-bn 05k0sd69xtjnef fkfoscope 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 resolving p) owk gexve*7+ower assuming that all other factors remain unchanged? Its resolving ) ew*o7v xekg+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 cm. What lens (in8*i) t k m)*uzv9cwvek diopters) will allow this person to see distant ob*w8zk9tkvu *)cvei )mjects 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 than 70.0 cm away. What pow5/a sg zku/326qlnxxier of lens shou xkl a6u5qi/gzs3x2/nld 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 whosob 7lqs (kq7-0uudzc+e lenses have power of -0.15 D. What is the person's far point if the glab 770qc(ul +dzsou kq-sses are very close to the eyes?

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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 farsightedne1*cn5 (8ja() mqd ql:o ixqfmvss where the uncorrected near point isq am1xqqm l8jdfo: )((c5 v*ni 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 farsighted person is 100 cm. She plac sdw9a zoqmtfpl1uy)9 :+la,6 es reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 zollp+y)a9, ftma d uq9 s:16wcm. 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 read a newspaper held 25 cm from his4blak;(lbmoe 2im,n0 eyes, if he wears gla (kno02i4bl; m,embl asses 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 of 10 cm. A person has a near xg) ( b)f4: 3vi zw4pvlrmpf4qpoint of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinity?fp) :vzp q(4)xb rmf3wig4 4lv

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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 point /eyhks b3 sy8.hxn1 4wof 25 cm. What is the magnification of the lens for thahy n .ye s438whkxs/b1t 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 thik g0- hhq8g*od f:3(vzo5jyee magnification if the image is vod0 3qo*(-hkgjzh iv5f8 egy:iewed by a 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 maca ;s jdbf1ems(z0(m v3:cwv6gnifying glass. Whajvdsmewcc sz1;:m bf(v0 (63at is 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 length 5.0 cm as a magnifyinn 7hmisy5 moif)40k,h )oe2t ng glass. What is the magnification if the nk)h i4 yfo70ht5m,)smni eo2person'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, 4.0 cm, 8.0 cm, and 16.0 cm*9airj.;wx) lns9w* t(xqam k. If you were to use any two of these lense9km9*)lwsiqxwt * x(njar a ;.s to build a telescope, what is the maximum magnification 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 2.0 cm, 4.0 cm, 8.0 cm, anqujcp4c:p,0 z1gdx 0c d 16 cm. If you were to use any two of these lenses to build a telescope, wh0gppxq,4c 1c uz0cdj:at 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 andpyd.k w9xq /6+v y-uur its eyepiece has apy6r9 xuk+ .uwv/d -qy 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 with a magnification of /zg6a+ )b nhrk10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiec6)zh+g a n/rbke?

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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 telescope with au(n4qx1oy* uh ks5p*w4kz7mv magnification of 10. If the telescope has a converging lens of focal lengtszpu m* hnqw k( vu7x4ky54o*1h 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 tely(/+d / vtqdo7lcly h+escope. If the telescope is limited to a length of 20 cm, what i/d7q doc h llt+(+y/vys the approximate focal length of the objective?

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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 l 9qwp ,z5mrh7)d f(ltaqfp58tens of focal length 1.4 mm and an eyepiece of focal length 20 mfq58 (q,mta7lr pfhtz9)wdp5 m, adjusted 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 o bjt a8veouag*s-0a6axo8*0 e bjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestra00ojxou* veea 8t *-68aasgbain. 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 folyof1mg gw)h 3 gmar; 5e/*h8jcal length of 3.00 mm and an eyepiece of focal l5*m/f8eghg)may; 3 glwhjo1 rength 6.00 cm. If the two lenses are separated by 40.0 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 ankf2 jf12ia d 4s:u2v,e 3jwbqld an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240 2wvb2i jfqufa1e4s3 jk2,:ld?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system3rl6 lq,7kcx1unjt a + in the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the systemcl+r3 txjk ,67nqlu1a is 500 nm, what is the smallest aperture (diameter) telescope 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 uuc.p* ygv;u 9designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelc;* yguuu9v. pength 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 changes from a diamet- vic4i+ zoinrcte2 r;z+uq9p 4+ by+tnnso0,er of 3.5 mm to 1.5 mm as the illumination i-+rrc+,0;t 9in ezuvnbn4oyi +o+i pcqs4z t2s 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 qp eozctp3o8,3iv ,1wmt(v 7 nSpace Telescope has been placed into Earth orbit by the spaw3n(p8 ct 31oq pz ,,ivtvo7mece shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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