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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 -59zssamx3l8nsal5hmt s -v(is exposed in a camera is det z3s58l(-5axa tvmsmsls-9nhermined by 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 dete+f/ gg r7/h vsh6q my67vvio y9-2jvubrmined 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 zp t 1v e(1c4ci1hbqxmw 8/y)fyb2x -f0jfzd4 varied by sliding the lens forward or backward with respect to the camera housing. If,4t 14exwc 1y(d zy)1fv/pi2hz fbm jb-0 xqfc8 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 fietv8gguw:l*jx204 kp/i a wt7cld of view that corresponds approximately to that of normal vision is ref:txw4kcj2iu* 0wl 8t pagvg7/erred 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 imag(ccht 7cv-j x/.rq4pj es 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 film with a wider field of view than that o0ywuxz 1rka bjw853ww-1+ q mtf the eye and through which objects appear sx b0 1wqr8-5w 1tumw+k zy3wjamaller 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 fquinm*uld8y-g izln.;n/, n 0rom 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 refract4(( myoc *c;vxyd *xliion of light by the eye 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 seh0 zbn4q7 h1bi xkt//f;ii.dve 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 objectsro ,jmq bs7q+s.j 4e, b-ei/kt 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, they9+ l vzybb)zt/*t9wd person is likely to suffer fl+dvt b*zb)zyt w/9y9 rom

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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 corrected witjmcy0ox g v3,1 im8p6lh

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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 (pdh/s:l3n vkt 5un/vfrom front to back, this gives rise to a vision defect thath t3(/p:/5ksnn lvuv d 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 short from front to back, the person is like2xtpqd /e w.2ily to suff/x.tde2pi qw2 er 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 corrgu80hf4 f mwpt/)dfs)ox: gb 7ected 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 hqj+ t20 qxllbgtua 0 t7gt+s+.(.sfn is too short from front to back, this gives rise to a visionntll+q+( 7b0jqg. s2atghtf 0t sux.+ defect 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 magnifying gix2c22g; gxrar )t -colass?

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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 objectivelr*2epzua+ammyfh6 q -*tf y (s6fvz20.b 4ve in an astronomical telescope pmy(4qa*mz2yfvvf2fre* t 6.0alze6hbs+u- 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 refra4kos*m 3sniawv+d16 -ac / 4yfla 1,y1c zalcrcting telescope. Suppose an opaque screen is 4 vy -cc+asfad /,61c1m43l aazorwyi ksn 1l*placed in front 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 has uniform sensitc9fz+n,;k3 vanm- aumivity throughout the visible spectrum, in which of the following cases would you be able to best disting n,azucm-mf3n 9+k;a vuish 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 h7l,yl6. aor a3 itn)iras 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 be able to see the greatest detaw +eoea ,;vb)gil when,eg) eawb;ov + using 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 fr.msw zg, ;wv2k9sojd4 om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffefknmz v im5+3+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 microscope refer9c e/9vzs i9pes 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 +9lkkc3di9vsxm p 0pkzkh+(c+s: ct5power assuming that all other factors remain unchanged? ck5+k ks d + p99zv :(ilxcmtcsk+0p3hIts 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 a5r) la 2i z2gz/sumfw5 far point of 18 cm. What lens (in diopters) will allow this person to see distant objects i 52wg/u sfm lz2r5)azclearly?

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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 power of lenstu w4mt9fl+x 3 should be prescribed if the glass is to be worn 1.00 cm in front ofwx lt fu9tm43+ 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. Wyau d ph eo;0 a7;-z6d-5nyuykhat is the pers0-o;ay57 ynzhpe ya6- dkdu;u on's far point if the 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 wz3 dxr qr3a3 0e81z)fnsgf-ichol7 d/here the uncorrected neao r ilzh1f s0dcr38 q7z-a3 ed/xfg3n)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 f-*uz pw8,kjd garsighted person is 100 cm. She places reading glasses close*u,d wkjgp8z- to her eyes, and with them she can comfortably 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 read a new4en b/qoyevnf2d 0 nxy)5v o/*q1v.ewspaper held 25 cm from his eyes, if he wears glasses qdo0xv2fynbqe/)154ne o *v yv. /enwof
+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 -k3 ;eoohh1bfgc5x z9person has a near point of 25 cm. What-1 ok3f;5xhceohbg z9 is the magnification 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 poia,r+ wh e(2yofnt of 25 cm. What is the magnification of the lens for th h+ea rf(y,2owat 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 atqvyc+ t8;k.j z-u vv4 focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed eye? .-+vztj; ckv8tuvy4 q

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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 magnifying)ego kq-vjkv4 -zqhd78,n;ce glass. Wqe4o,vz v-n qe kj)d7k8h;-gchat 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 magnifyin/x baon-g5uhl btf( kl51b2 3xijb9v6g glass. What is the magnification if the person's eye is bu/b5jn o2bb gkhx i(xal 6ltf31v-9 5relaxed?

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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. 3b u0tk)8b2djjqew;a4lgwq ; Ifdwql2tqw k ;)jjb; 4a8u b0g3e 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, 4.0-gsem 54qq n,hb3;grp cm, 8.0 cm, and 16 cm. If you were to use any two oq;34pnbe 5grg-h, msq f these lenses to build a telescope, 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 and its eyepiece16h+rniexzs9o m yl)8s oaubh j,q67 8 has a focal h9 )1u sho8la,8nyeo mz6i7xj6s+brqlength 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 astron 6 o)2p u4n5sbt/g0 u ztv9 -*iozqozys-+tygnomical telescope with a magnification of 10. If the telescope has a converging tsungg qb4)o*t- yot 9yun-6po205z i z+zsv/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 astronomical telescoqz+ - ze9/wz (d--rrtg7nq89bjx pleppe with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopxlpw-dj9 zr-eb e8/+g9nzt- (q7z rqpe?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designinyp .dqaysn2uu5 .v6s2 )kgsg :g a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal leng. p ysuysv g2s)q.dk6u:ga2 n5th 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 and an eyepie5iehna-rn)x kdd3y5f l 4;t xhn*72qace of focal length 20 2y7h 5 nhnrdl5fxi edat-n4ak3* )x;qmm, 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 objective lens of focojzsn +k7.qxp66wk6+j 2vt g jal 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 objectiw+gjjk .7x+k6nvpz6osq2 t6 jve. 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 anv4nzf*o --k5d,yzt bc objective with a focal length of 3.00 mm and an eyepiece of z*ftkyvz4-d,n -5 o bcfocal length 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 and an objective with a s *sgzy f,rzd95kor( 1-rur 5efocal length of 8.0 mm. s kzoe 5rg(r9u5rry,1 *sf-zd What is the focal length of the eyepiece to give 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 consv2 8jexb qzh/py6uj* ,tellation Orion has an angular separation of 10-5 rzb6 q*euj h8vjy2x ,/pad. If the wavelength 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 0.010 mwi ,dwo9g8up7 y3 3zjcm apart. If the focal length of the objectiu38jicw dog97pyz w,3ve is 4.0 cm 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 changes from a diameter1 v u:m4:v n-keylc9od of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum a 9nml k4yc-: 1v:voeudngle 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 ha;lg2n9 fc6icofmp0 x -s been placed into Earth orbit by the space shuttle. i fn6f- oxgcmp;c l920 What angular resolution could this telescope achieve if the wavelength is 500 nm?

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