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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 shu kod9hr yvp/hzxayd0iax4hl / u7.1*2tter is open and the film is exposed in a camera is de9*xda phyk/xoi/vl.hh10 r4yd z2ua7 termined 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 reace- rfidknu; 8m56 u/ti0vo kkk7y: 4qkhing 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 distance may be varied by slidingq3e*h6f+t icz.*iuh7yj h r+d the lens forward or backward with respect to the camera hou**qeh zyhrd7fcu.ti +i 6h3j+sing. 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 cbv *xb)- ebb(rovers the film with a field of view that corresponds approximately to that of no( erx- bb*)vbbrmal 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 magnifyc-4h/o u 4mvqv 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 covers the filaze o yf. mk341fo90gum with a wider field of view than that of the eye and through93fy1.fo eumag z0ok 4 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 is a camera differe/.,3i+ y gplne ozc:zynt 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 2u;7crlc -qewll)tz w 3bw)i2by 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 objects clearly bi a77zf+1w:v nuz21 qsrx,ct 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 s0v o2j6utnyiaut7 4ot1 m vqlxr4*;,v ee 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 ti/ey91n t) eyp35u+kkoxo8bqoo long from front to back, the person is likely to suffer fro qoi1e+y8yuno3x95e/k )kb tpm

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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 correcsy6g. x )g8 ds2tmmu6qx8o; rkted 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 givxbp)w7ct vs-: es rise to a vision defect that can be cwpts7 v)b-x c:orrected 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, ujxvn90wcw(h 7v4kl3 the person is likely to suffer fromh0wxwl( c9 v47j3 kvnu

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually p0 zvx0sxj06c 65 /q -mbkatcjbe 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 give6vy 4wu bec,z3s rise to a vision defect that can be corrected 4cvu z 3weby,6by 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 mag3ab6ov4o/ i5tr5k2ol.grlv pnifying 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 diameterbd 7 f3jpz-i-r objective in an astronomical teler-fz3j d-pb i7scope 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 forme;1gw yqe6gj 8bqy()f 5jx+rpozph,-xd by a refracting telescope. Suppose an opaque screen is placed in front of the loweq p g)j, bgeyhwo;y5jrxq16zfp 8-+(xr 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 vi ;ok6hloy9h6ac*h5y ;sn r( qhsible spectrum, in which of the hoh6h;9qa6* ns;ocr (y hk5ly following cases would you be able to best distinguish 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 has a 18i;8k *ab ufwagiu/ rmagnification $m$. 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 5l 18zc40banl0 xv . pvapq)zwsee the greatest detail when using a microscope?8q cb va.)a z5w0xn40llvz pp1

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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 l.jb 52lj4dniwh+e4fm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferz+z,6t fki 8t() ojfqf6lm(euhbd k/9 . nf1lu 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 a1ei7ydiqidy :n 02/;kd5h cp68v d(p1phiror microscope 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 disgz i5ww k nyo -1w6s)hejr01(wh is doubled, what happens to its resolving power assuming that all other factors remain unchanged? k)z g5w w s1w0(jhy iw1o-e6rnIts 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 (iaiud55wl :w /l zalcb97if6w.n diopters) will allow this person to see distant objea5laid7u/cw6ww9fl5.b liz :cts 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 power of lwgz.7 jn++ha(y h mfm*ens shoulham gmhj+f.nz(* yw+ 7d 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 whose lei6ya -y ;q. d0c.0 cbua1kaskxnses have power of -0.15 D. What is the person's ya 0c .ak;d k1u06 qic.x-ybsafar 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 farsightednesse/j mr+dhv 7bh8o,q s6)y7 dne where the uncorrected near p d) h /7o qeh6n,bs7md8rve+yjoint 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 person is 100 cm. She places rea 2 fudvmhs10l t1f4:gtding glasses clos hg4dff21tt0:v 1ms lue 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 newspapn *eb .ch3yoy yj32.poer held 25 cm from his eyes, if he wears glaoonhbcep23. y j.yy3*sses 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.ch +czq +; .p(mefhenu2myl;4 A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes fu lzh.c+ p2 hmye;mnq(+c;e 4are 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 nearqtl,(.l,b0phmo b p6muma8 r6 point of 25 cm. What is the magnification of the lens for that person wruaq6oh6l,l b8mpp.,b ( t mm0hen 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 focaliuds4upd-2 eb x /v,5np9gj-f exj7 q7 length of 7.0 cm. What is the magnification if the image is viewed bys4g7e b-5ddqp /fjv xn-i9 ,2pj7uxue 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 magnifying glassup,f 8vunwi,; . What is the maximum possiblu,pu f,nv w8;ie 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 mag7sme/ o9 v9pngnifying glass. What is the magnification if the persongo e p9vm/s97n'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 c ggyf2 h0jrbsub:s ++q 8e26zbm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could ac ygs6z2q+ 2s bfbejbrhg+:08 uhieve?

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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 2.6..nmv-hdjz y lyirca nc;2.9 0 cm, 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 for the maximum magnifica26. i.h.9clyadn y crmzvn -j;tion 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 2k2vvgk6* x .xd00 cm and its eyepiece has a focal l d .kx*6xvkg2vength 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 magnificatiom:p al savz+ii2 -:9rvn of 10. If the telescope has a converging l::2ivma-+ iasrvzl9 pens 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 telescope with a magnification o;,idn,b8xpc wf 10. If the telescope has a converging lens of focal length 50 cm, what ipn cd;x,bi, w8s 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 teleska(; sgkocv9y( q jy -:-bi86ye)lne ncope is limited to a length of 20 cm, what is the approx96 qbve-kc;kgsa - yo(8yli(n:)ejnyimate 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 object-wfy0t z n9sq, *bs:k ry ov7m*0hrb2t w0y)luive 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 fromsw 2myutnf hq9o7,*z ks-wyv )l0r0: *ybr tb0 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 focal length 1.4 mm and an eyepiez j40) l6/0 oml;m t0oax:r4iznlxag d2wb(bkce of focal length 20 mm, adjusted for minimum eyestrain. A bloom r0i6)z db :lkmabxz0(x;2aono ll4j/0 w4tg d 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 microscop7ls 4g3,: yj.h bksbfpj2c( vcycr8m8j+un5k e has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two l5jjf8csgm3(k4+ hs ,:l 2cpbbv7yyn8.r ujkcenses 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 focak+nv26mlj *s ml length of 8.0 mm. What is the focal length of the eyepiece to give a lm*+2kvsjn m6 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 coh3qb9 ilw/xojx8vf 0 +nstellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nmi h8 xq+/wo 0jvxf39bl, 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( bwjdd c u16pri/7ld; which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength oidrdbp (6luwc ;7d/1jf 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 diameter of 3.5 mm to 1.5 mm as the 7n( z;2yqg o1 fl+idmzillumination is increased. By what factor does the mi 1zdgf7 +2lziomqy; (nnimum 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 into Earthr+r 7 j9yg( ged p,rgh9yt0u/c orbit by the space shuttle. What angular resolution could tc9 y0 dug(yrg/e7jtprgh+,9r his telescope achieve if the wavelength is 500 nm?

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