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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  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 shutterj6i6q w+cck- ww*teta4gbp /7 is open and the film is exposed in a camera is determine wjkp4*qa6-c/+etwwtb 6ci7gd 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 fu6+ x/)hnt8wzaz q 2,v t)uaqpilm 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 dig7cedbp:dip mc06t nw4xw24,stance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy piccc ,2 x6tm47pnid b:wgd0pw 4eture 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 view+fswrwqznl +kb5m: w5w yz1c 03pw *)g that corresponds approximately to that of normal vision wwb*cn m+zpz)rgk3 +q0wfwws5 : ly 15is 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 actse/e2ham :w;e w like a telescope 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 covers the film with a wider field of view than that of t myfgb81 m /o(-aro6anhe eye and through whichm8-a1 bry/(ao nfgmo6 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 different from the hums,p n0cyq5 5cpr6rc f(an eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refrac3su( 6atodag2tion 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 see objectr 7r5e5nq2in0iem mj5c 0qya ;s 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 at89j dafz-zv 1o which an eye 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 tof-syg+9bo(smis-hfvt , m( c.o long from front to back, the person is likely to suffer fr s(cmmhv ,of f(--yg9sts+i.bom

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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 correctpzsx4u8 b ;ny.ed 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 fm/+ )g( c7r 2j(swce2jhtilpb ront to back, this gives rise to a vision defect that can be correctedr(cc2j2p()7 bw h js/+ eigtml 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 ba,. 8r gvj:gfjcck, the person is likely to sufferjgfg8 ,.:rv cj 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 corrd/3h te).,qddr 4bwy tected 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 riseg2ybhs p+o 0ar( ,z3vt3+ixhd to a vision defect that ca2hpd3xyio vta(b g hz3sr+0 +,n 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 magnifyh zof-j92ve* a,,u.4+ybfz 5zkd anhu ing 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 ,5t4b d sdikzs4t- em9diameter objective in an astronomical telest-9tmkbdsie 45d z,4 scope 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 fol60b,svbs+ f6,r t2yzcyj+q* scqpt z -3q3pfrmed by a refracting telescope. Suppose an opaque screen is placed in front of the lowe +3fb z plcy60r p,fj6tyq*3-scbt 2zqvq,+ssr 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 througj qxp4x--6 ph:6bskk lhout the visible spectrum, in which of the following cases would you be ablkp-pb 64 xs x:jhq6lk-e 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 magnificatiy)xr9;z( flrw.n: uyfon $m$. 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 aigs;,r7gd 8* /oxlxt:uei . fdetail when using a fs l*.ao /:,g i;tigxu78xrd emicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf2er--ma8yr -ijy:kdffer 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 frost1- a4l:e syjp e6:hhm

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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 a6l w- qp.ffoso xxx7+s/)hr0 5nqjk)u 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 dish is doubled, what happens to its reso)bsu6 3) q sg ,dmeef/5zt.qjflving power assuming that all other factorsq. b6dt/f )gsuqj3ee)5,sm fz remain unchanged? 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 dio4qa jhmx ,ta62d-0h trr8gz8tpters) will allow this perh,-xm tar8 8t 2rt04 ajgqz6hdson to see distant objects 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 pwb5f-,(lh ynt5ou6. ;kxkbj z ho/bo2ower of lens should be prescribed if the glass is to be worn 1.00 cm in front of the f b ;x5oh hojwk-tbn2( .y 6kou,/z5lbeye?

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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 mxlcpe 1.b*g7te23msis the person's 1.lt *g2bpmc73mxee sfar 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 where the uncoj+0xl oh3 woi/pla,kw:;cb /a rrected near point jbw a ,cl:0+/oahli wp ;/o3xkis 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. 3m9sgng+or 1 y0+xquyShe places reading glasses close to her eyes, and with them susgo r9m g+ny031qy+xhe 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 newspaper held 25 cm from his eyes, if he we tlqm 9pfb mu47 r9h(27ru5jqpars gl7 qqmb2tlhmrf5u pru p(997 j4asses 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 person has a n +u4r2f uq2fnmear point of 25 cmun2+qff u42r m. What 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 point of 24cvcing5,yo4mo o b/- m;-yy6mfv 5iy5 cm. What is the magnification of the lens for that person when their eyes are focused at their neam5 5cb/ omig6v--c;y ,iyv 44y yofnomr 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. a-5r w1coocp5l, r+lu What is the magnification if the image isl -5 lrwocp r,5ocua+1 viewed 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 lens of focal length 5.0 cm as a magnifying glass. Wh ozp;9xa6ki -1w42a/zoyk fahat is the maximum possible magnh4k zx 2ap9kif;/wyz6oaa-1 oification?

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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)x( zva:wh/d a cm as a magnifying glass. What is the magn:dz )h/av a(xwification 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 len)8 i)zspxi) hdtw8l .-rnb1hoses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If yw-)z1ir.xsbhhtl p)8d8n )oiou 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 2.0y557b4z9rzot3i n*ify*hl r k 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 lfho 5ztyi*k57r rnyi z493bl*ens 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 foc .w ldongh;y0;i9( jtial length of 200 cm and its eyepiece has a focal lengt h.o;ilw;d j 9yn0(igth 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 telesco0jn:eel2tg3xn clo(xn(2vj . pe with a magnification of 10. If the 2j ((n nveneo:glc.jtl x32 x0telescope has a 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 astronomical telel 0mnk:.qzxb7r+c 3jzscope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lengt:xzj7. nmk+zrbqc3l0 h 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 telescopcm+qw y i/w qd0o9vwm/;f 02nye is limited to a length of 20 cm, what is the approximate focal length of the o dqimo f ;q+/mvn09w0y/w c2ywbjective?

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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 fa8yruxu81ehhr)8c r aatu1 5 ao15,wbocala otu8u8ryr1e8 5aw5aahc)b,rux 1 h1 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 lens of focal length 1.4 mmxc+--sgi.a ib and an eyepiece of focal length 20 mm, adjusted for minimu-xs cag .ib-i+m 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 w xvb1.55cic m6jexd 5focal length of 3.00 mm and an eyepiece ofi6. b15cjedx 5wvx5m c focal 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-y-ux5dq-sk vvg0 -j /acm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240kau 0xsd-gyv-v-5j q/?

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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 int il82kvv8 :eud9wv* jk3aap8 the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the ta*tvwejvlv8u k8:8d3 2 kpi a9wo 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 w/l;htn:icujzfg 41k1eno/c 2 b p+tc9hich are 0.010 mm apart. If the focal lh /zli;f:ncjb 14kncucptg2ot +9e/1 ength of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

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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 z62zw lo7rm4b2ip ye )diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chaw2p6 o7ezlr izy2 bm4)nge?

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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 Earthadm-f rj3 8ac3 orbit by the space shuttle. What angular resolution could this telesaf83 mr-dja c3cope achieve if the wavelength is 500 nm?

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