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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 shutter is open and the film is exposed in a ch/(hxs k31fsv67w i pgtaa,s* amera is determined b/ i tx(v3h7pw6,ss fs*agak1 hy 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 rea7 4w,kd y zmf(5pvzn61nt qpw.ching the film in 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 distancebj:b( j8*ngooopg 8rk s.z/2k may be varied by sliding the lens forward or backward with respect to the camera housing. If, witsopg b:roz .bok8 jn/2kj*g8 (h 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 tz l )owy-ibbakq*fp 70-0wxw;he film with a field of view that corresponds approximately to thatxawlykw0--b 0*)z i pqo7f;bw 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 imagesrbu8 mkcy6r2;fv *3u i+i6ckk 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 covers the fl)x19/*dmibn qeoy s1ilm with a wider field of view than that of the eye and through which objects appear smbln d1ysqmox*9 1/e i)aller 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 r8e/b+h*rzozp0cqz8ke)n0l mpg7 +v 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 qn)v u3 3/wpeiwarmnk9 /yj11eye occurs 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 eye can see objects clearl. mfo*3i du 9;bnaj2d3jlah6qy 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 eh6bt 1 xx*+trw2qrx*kye 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 fhith m/, fg,zm5o,5im rom front to back, the person is likely to suffer fhit,z,m 5m 5/m, ghofirom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can cmig,:t 8 pcy5usually 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 to a v oi1rv,l *(hc( pnphwf.k :)xuision defect that can be corrected ox:r cnip(hp*l fk,)( vw.uh1by 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 to back, the person is likel:v4reh b2h n e;aqev11y to suffer froee11q4r h bevahnv; :2m

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usg.d; 8euo, sd-)vokc hually 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 back, this gives rise t--9ryotl -13wdzwuh xt0 e+pzo a vision defect that can be corrected by y9-+z wur wxp-t3hdt0 eo 1-zlusing

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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 magnifying go .o,ms4ga p-klass?

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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 in l zhkajv/jn0fm-qu* l.7*mn ; an astronomical teleu haf;0-mn jj*zq lkv/7m l.*nscope 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 z0 aydylci+(wnu87 l;by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objectivd78 a;ilw(0n +zylu cye 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 vi1;o ugf80rf 6a4bpt0p4dd +xan+ fgoo sible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective l1 un6p +f4;d+ da8ootg graof0 p0xfb4ens 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 magnification (4+xw pxzgzz-gy,a/sjd2 p e9$m$. 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 grea13pn9tysddyz:ysn r)u*bb 4(ysq (j2test detail when using a microscop3up:9yn (s1t() yjr2ynb b ys zddq4s*e?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff6 px/q/yb;y cber 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 fro)1v,w2 fl zpvmm

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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 re 9htj vi7m+6hafers 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 rf ;a,uy 97udkpesolving power assuming that all other factors remain unchang7f9du,ya ;pk ued? 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 cm. What lens (in dioptersh*o:e-j,vh9po0 yml*jg if u)) will allow this person to see distant objects clearly?0hj g i9o)hp*l,yvoue- mj*:f

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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 poweo 99fdy;9m.x9u6:cce e d bitlr of lens should be prescribed if the glass is e.xld;cmt9 c o9y6defiu 9:b 9to 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 have power of -0.15 D. What is avqe) )dp/9qgtks( e0zc 35us the person's far point if the glasses are very close to the) a(sk)egv tze cs3 upq9d/0q5 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 needyrxobk :/lh-9 ed to correct for farsightedness where the uncorrected near polx :yor 9kbh/-int 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 fa +lnj(m 7e3-;rzghwstrsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dist-r+m jwh3g ns 7t(;lzeance 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 m-os1zdnet,v*o h d4.: tjb:uheld 25 cm from his eyes, if he wears glasses ofz: jmo od,-en14dv btsh*t u:.
+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 ofgvry83 - bwy)f 10 cm. A person has a near point of 25 cm. What is the m8)g vw-yfb3y ragnification of the 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 point omy ;7tb2 /y+r1 zgffbuf 25 cm. What is the magnification of the lens for that person whef/ygby t 2mbr1fuz+ 7;n 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 leng-gb (o0 )2q0*er hhfa ,fhhfkab 48dlvth of 7.0 cm. What is the magnification if the image is viewed by a relaxed f20e 4f g -a8l)h(dq0 rbah*hkovhb,feye?

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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 cmgu9qmp9;j u;q8pwce 6 as a magnifying glass. What is the m q 9g6 cq9u;jpeupw;m8aximum 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 f3 w.w5(s eet0b6qhvi0z0 gqylpd.a -5.0 cm as a magnifying glass. What is the magnifica zweptv 0lb (aw. -6f3hs g5deiq0q.y0tion 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 len pxv*c 1j5k+rdgths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. Ifv*cp5drx+k1 j you were to use any 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. 4a(vzi rz9)wy0 cm, 8.0 cm, 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 mag(a4vwyz9)i zr nification 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 telesom c j7)44c z5yb)sxdecope has a focal length of 200 cm and its eyepiece has a focal length ymo4b c)7sxc4zj) ed5 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 magnif;1- pqni xg5jfication of 10. If the telescope has a converging lens of focal length 50 cm, whi ;-nfq1 g5xpjat 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 astronomirk64c, nj- q3ywuvn1jcal telescope with a magnification of 10. If the telescope has a convergingkvw3jn y-1j4cqru n ,6 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. Ifj+1d5z jmtof,e a;* ba the telescope is limited to a length of 20 cm, what is the approx at,j jfz+*d1 5m;eobaimate 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 lens of focal length 1.4 mm 6 sjfn*tq6nl i:ed0e8 and an eyepiece of focal leng0e sden iqn:t66 lf8*jth 20 mm, 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 obje)cvr7f1:* i.zi mp7p2;isi yr3am oblctive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is f lsi*c:37 )mmpp 7;.2iarv1zrboy i iplaced 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 *w,rkxa y/ njmc;iqk3zg+,: jhlb9v-3.00 mm and an eyepiece of focal length 6.00 cm. If tjz c b :l;rm,i-w9qv y,/*na+kkg3xh jhe 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 and an objective sbq 4s8m svx*:ov** qowith a focal length of 8.0 mm. What is the focal length of the eyepiece to **s:4x8 m*bso svoqvqgive a total magnification 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 separation d-.8ts wm k;w;gkz)46yrtmjdof 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diam;-wm ws.6kr jztt4)m8; gky ddeter) 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 0.01zoza9w3k67: 6r lqhgq0 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the ah :q kg wl96r3zz7oq6diameter 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 ffa(:l vkw.k*+89*crc1 r sfu sh7f(exw a.irwrom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutio7fk i.x9ucra:e8rflhr+(k *.ws(wvf*w a 1cs n 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 plb(5qgvv.vk; too8zqmza. - ,.a 9 hayqaced into Earth orbit by the space skv8a; y aaho-tq( z.g5.v ,.mzvq ob9qhuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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