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习题练习：Physics Unit25: Optical Instruments
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 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 s koix;ug 2 3:ycxg-j.ghutter is open and the film is exposed in a camera is determined byc:ukj.ig 2 gg;xx- oy3 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 ik16*xu h b8stc k5yeeo5f;3 nrn a camera 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 lens-film distance may be 3+vn 3lj (sknxvaried by sliding the lens forward or backward with reskl (nn3+xvj3spect to the camera housing. 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 filmrwmc:j )y,w- m with a field of view that corresponds approximately to that of normal vision is r,: yj)c-rmww meferred 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 telescopu4 gl 9tba4oo/ndry,8e to magnify images is referred 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 cov+.u5t0qg7; xlu tgkvqers the film with a wider field of view than that of the eye avqgt u;t5 xq g.70l+kund through which 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 ways l j n*3oor*x1uis 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 at te/at8d vfkmr 6j:ee.*/m :w ehhe

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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 eye can see objects clejtxw uyq4)k f:+ /s8wvwm+z8)mk img*arly 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 liky20l 39 lv 2jbup3sobjects 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 k)9;l g rd7ue,e3k emnback, the person is likely to suffer frdk re7;geek3lnmu 9, )om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us2y j 2bn:vp/tebzng(ooa do 69mc1*r :ually 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 im2;. lxk4o9s5 habfuo s too long from front to back, this gives rise to a vision defect that can be corrected b 4f;l om2uokhbx59 .asy 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 short from front tze 03rp 64kz/ytd ksn2o back, the person is likely to suffer fre r kp0zn2 k6sd4t3/zyom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu4sri+wr+1jvsk.wg w34wu ha6ally be corrected 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 bac3d -fgb7 7f lk9jpc 12wmvfr*yk, this gives rise to a vision defect that can y7vf3rkm9 gl1f 2pj b* df7wc-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 isv, feo*uth.x5 a magnifying 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 ,4ik o xt7tg0emtns9ebzyjv+ .k0;l +very large diameter objective in an astronomical teleszm4x, l9by+.ji gknt7kse et0+v0o ;tcope 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. qz4mp9nn3 n (rrdc6y7Suppose an opaque screen is placed in front of the lower half ornnz47qmd np6(3 9cyrf 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/asxggjl ake l(kxz8 s 6.729y the visible spectrum, in which of the following cases would you be able to best distinguish bxzlsxl ak79ag ky(2s6/j8ge . etween 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 magnificah op1. ppg;8mhtion $m$. 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 greatd5s zcd)4a:w:akg1, gswnf; pest detail when using a microskfzdgd )1 nw5g ,:awa s:c4sp;cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufl g6.mn3 4qpd f01vscffer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufp+; :ngzy xc7efer 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 microscope refersmr m/ nj9a6on )qbow18 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 radu+ t+k;ru 1xdfar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? I1 krdxu;uf+t +ts 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 cm. What lens (in diopters) will ad/ui :c /se1z8-swvd yllow this person to see distant objec ez-dv://ucsi w1s8 ydts 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. ag3z:/3p6gnp.z 8kybht 8qam0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in frongaq3hk:m6 gz 8pb 8anz.t /3pyt 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 lensen*s;2mple r4-xzqp+ us have power of -0.15 D. What is the person's far point if th+nqs4pp*-2; lruz mexe glasses 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 farsightedness zz7 h67obny tjz7q 4y,where the uncorrected near poi7yjt7qb4 ,yo7z zn6zhnt 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 farsighted per9 f jdo* ,g)vp:ul4ojcson is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a disp4c*:of 9v,oj ldgju)tance 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 read a newspaper held 25 cm from his eyes, i;r(qm9csr y wxxmxsa4n8(l) 4f he wears glasses ofs;w9 r4 xmcq4syx)n axlr (8(m
+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 ntv a15dix(+c tear point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infiniatdv(+t5cx 1ity?

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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 of kzu9vz6os ,deppu8)bj2 3 r vj8z(*ap25 cm. What is the magnifi2eoz(pr*8z8p ,6jas kup3vu9z) v djbcation 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 ffcx;sx8kqvbp 5/4 gbp mcu2)0 ocal length of 7.0 cm. What is the magnification if the image is viewed by a relaxexb kcsu0vp8mx)fcq;b/ 52 4 pgd 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 lensqmad pqm:9 8*e of focal length 5.0 cm as a magnifying glass. What is the maximum possp8*e m:qaqd9m ible 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 magnifying gg,-r nk*0c2 akcts poki nv+*oadt3.3 lass. What is the magnification if the person's eyerk k c3*opagoakn-+c,3*d vts0.2t n i 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, 4b mzc3m. f(ki ,a5m7gd.0 cm, 8.0 cm, and 16.0 cm. If you were to use akgmzim ,.b7ma3( cf5d ny two of these lenses 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 cm8lddqot 9 rxgw;.vkncp y3; jas7h0;), and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification tel3x)dc gd vank;yrs l7 w.j;0 op;t98qhescope?

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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 lengtief6y 0uows9pu8 pnj369yg r c:9tl3 eh of 200 cm and its eyepiece has a focaljy0enry9it3w966 c39s lu:po pf u8ge 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 magnificat., zzf/cb mzx: :zcjc5ion of 10. If the telescope has a : z.czbzc/, :5xczfmj converging lens of 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 astronomicalpho50 g5tsul/ telescope with a magnification of 10. If the telescope has a converging lens og /5hpsuto0l5f 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 telescope is lxynv wj)f,heong+yjd 14q - ,:imited to a length of 20 cm, what is the approyjy fj4q,d) we,hn-g:nvx1+oximate 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 o mzn*b t(n.jud+8 ob0ebjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objectivedn o b t*j8+.bemu(z0n. 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 lengpotxw 7 e66 .82itqux( nr4bahth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is qx7(b64w2itp. 8ahuxtn r o6 ethe 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 13llv2vnosybc x(//vh; yq1-+ jaih g(v1ertan eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total my 1h on/q+tlv-xbavh1cvligy ( v (ej3/s;r21agnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope2;j mn)bv 8ox;ja*9emw lgnx6 sn*eu: has a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnifi89j x :6vxe ;g2*ulbm meaojn*n)w s;ncation 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 j9k*3 eobpx*8p,dpli has an angular separation of 10-5 rad. If the wave jkdb*3pp *x po8,l9ielength of the light from the system 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 designed to resolve objects which are 0.0pl-,h/ 16na,i npeta34eapx,jw zy(d 10 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 5jyte14ha(p3,lpn,xi a/apz- de6 ,wn50 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 diammagx o18lr0w7 eter of 3.5 mm to 1.5 mm as the illx g17rmowa 8l0umination 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 i /ff:oyzjju3 yu y d153;hlyo3nto Earth orbit by the space shuttle. What angular resolution colu3fydj u/y3z3ofhj;:yoy 51 uld this telescope achieve if the wavelength is 500 nm?

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