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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: 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 ope mo/qb;yh5ufoy:j da,fvbx c q(.3o+ k,mwv+*n and the film is exposed in a camera is det(vyha j+5:q,o/ f x, w;mvbc*+kdo u qy3bo.fmermined 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 filmc94ij ,t ,culn 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 distance may be varied by ;o,hogxso;4q y/ac + 3n,j5q7cqfqw r sliding the lensj,;sq4,q3qr + oc5ynq o/ohafxc g;7w forward or backward with respect 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 film with a field of 7nn *by whcxtqww+ (3*view that corresponds approximately to that ow*y*q nwn3h7 wt+( bcxf 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 referrkf::nnth+2 s red 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 thtf fnc 4tg5yt :7pxjjro:8d)iozf26 7at of the eye and through which objects app 7:tp7t g ryo)zonx86ij2tj5: 4df cffear 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 is a camera differa 6*82uqk,oiul: u3d aemv)jfy7u/ zy ent 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 bbrxkys 5u1 f.k/ qw81ky 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 see obja7+ 3h0q zpdde4yx dh1ects 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 objects clegi+ )v/ena -zlarly 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 totkq6)ka l4 e9l6oql*fdd1 .qn back, the person is likely to suffer fr kdlnq1ak *6t l9e.qd )qfol46om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usjh w97j p87tqrk te(+bx l2*irbqi l4+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 is too long from front to back, this gxk: tb1 4u7fzpives rise to a vision defect that can be c4zbp1ukx: tf7orrected 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 likeqq66 mie 9fc8 mp.cyu;ly to suffer froqc 8;qyp.um9f6 6ecimm

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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 correcv2bg d4(-d0.eg ximxn2yy.cq,hz-zs ted 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 froo czp4lilf8 4+b30dzpm front to back, this gives rise to a vision defect that can b8p4+z4p 3dl0 iofzbcle 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 mag c lt))td6yepcq 2czq d3q2*in1jhu*4 5w ,bltnifying 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 objectivew6 y9e w;hvu2g in an astronomical teheug; y26vw9 wlescope 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 telescodo(x w 2m,g v0bn(7-spujdyt 8pe. Suppose an opaque screen is placed in front -n0gbod(,symj 8 w u(v 2txpd7of 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 sensitivity throughout t5rpilau )l(f 5he visible 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 lerlp al5f(i 5u)ns 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 mag;*n2an;om(i tif ;vmb nification $m$. 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 deta 9kim0hw9yu 3 2*uyg tx6l/vmqil when usm k6v9x2mqy ihy t*lu0u/9wg3ing 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 fro 9pezu .0yvn-f(k5d;m,qwvyd m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffs3bc1-s*0p yw0knsjo er 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 refers to the abilib7/oq*,g p sktyw bc*+ty 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 happtn1(,)3kwisrjbxy +oxkk+ e 1ens to its resolving power assuming that all other factors remain unchanged? tb11,k)ej +ywxxkn ri+k3 os( 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.de29psh;j -b7 ue7l or What lens (in diopters) will allow this person to see distant objects c 7be9 opshd7jer2;u-l learly?

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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. -zw,jr.es.h6 vduu1x What power of lens should be prescribed if the gwr,j61-d.hxu z s.vuelass 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 lense1 rkrhynls;sz.n;k167l: rkss have power of -0.15 D. What is the person's far point if the glasses are very close to the enrrny1 lk;;ssh 6lkrk7s.z:1 yes?

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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 farsiai2/4r(oo gqk 16-i uamc4h2m wh9kfvghtedness where the uncorrected near point is 75 cm o4- ki2w(v k 61fhqu/9ih cg4a2amrom?

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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 c:k,1tom0s1 +zffek l person is 100 cm. She places reading glasses close to her eye+1,0zklof fsmtck 1e :s, 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 c9ys 0 f.dzncdoor fm5 l8c5-g5an read a newspaper held 25 cm from his eyes, if he wears glass0y zc59d cdnl .8fmg -5ro5osfes 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 person2cx nsn;xbz95 has a near point of 25 cm. What is ;2 bzncnx59s xthe 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 t 6unm47+*n b2z 7hfgwf)iuq ehas a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focusedetfi427g qbw7n6u *hnf mu)+ z 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 magnif4-szrwq y -f(jication if the image is vie-sz wfjq( -ry4wed 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 *csf 4 m.f5j.ufz+mablens of focal length 5.0 cm as a magnifying glass. What is the maxa. .ju* cb4msffm5 fz+imum 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 magnifyxt06grzref +)wg 0 yt5ing glass. What is the magnification if the person's eye is e0ftgtyz+g r x 0rw5)6relaxed?

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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, -ao )9j zmv(.f/vdqt w8.0 cm, and 16.0 cm. If you were to use any two of these lenses to bmvzq9/d.af (-t v) owjuild 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 cmoivs:yb o cf gi85vyw gyo0t,i6z,4/+, 4.0 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 :sy,i0i8 ot/vg, vy5zoo yw6f b4g+ic 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 lh 8ns n(x)7nqlb2x g;its eyepiece has a focal g;nn7 sl x2lq(b8hnx )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 10as8b9i )4ti a4qj+yxk. If the telescope has a converging lens of focal length 50 cm, what is the focal length ofiy+bi ja 8xka94 s4)qt 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 telescope with a magnification k+t)gx 0nw 6qutyaj80of 10. If the telescope has a converging lens of focal length 50 cm, whataju gnqk) t0w+0 t68yx 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 1vw )av3m+hfdlj1+og te(o e:*0X telescope. If the telescope is limited to a length of 20 cm, what is the approximaeat *( )o1lveh++wgvdjfo m:3 te 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 and an eyepiece of f 5wj+r,n mxcjxz4f9m v(w1:z zocnwf, z zxmr5j:cv1+z9w( xjm4al length 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 objective lenslg y r9 jhgl;n.0,gm(qg5w1jh l 9fw)k of focal length 1.4 mm and an eyepiece of focal l gng5yj1hl)lrj gw,9qh(w g.9mkf ;l0ength 20 mm, adjusted 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 at-,jvsnf3q- oz4 .yme nd an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the t vq.zf-jont, 3y es4m-otal 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 ob uy6zh 5 cu+nr5jy/)4o+gvv byjective with a focal length of 8.0 mm. What is the focvjgrz6 nhou yc4byuyv ++ 5)/5al 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 con3qo;qztub4/ mx w5 0cwstellation Orion has an angular separation of 10-5 rad. If the wavelength of thec3w 0;twmbz5 oxq4 /qu 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 o10d 6qijts1pare 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, whatqji td61p os10 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 diametehg4 eg20j5rgboh o3t4 yx tcb-f w*f;5r of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolut5j4g wcey;5 o-rgf2b3xbt0hot4*gf h ion 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 pl7,hgpycw ;;yw(h p /oaaced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 50(;pc h p/yw;ho wgay,70 nm?

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