51fly国际课程 (51fly.win)

 找回密码
 立即注册

手机扫一扫，访问本页面

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp，上传完成后会在上方生成预览，用鼠标连续双击缩略图，或拖动缩略图，该图片就被绑定至本题，显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片，绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  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。
 作者: physics  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

标记此题
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 thexq:t w4k.vj,l film is exposed in a camera is determined 4 l t,vk:wxq.jby the

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light re xw; rfg/sdbnc;39o) iaching the film in a camera is determined by the

参考答案:    
标记此题
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 dish v,28utt9o kxtance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pi h8ukxvt9 o2,tcture is obtained, this means that

参考答案:    
标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covyxla ;x6v9 mmng0ms pf93u(1h ers the film with a field of view that corresponds approximately 9l xfg1h y3;0xv9nmsp(aumm6 to that of normal vision is referred to as a

参考答案:    
标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like 3 8zq0pu7gysq0h j6w sa telescope to magnify images is referred to as a

参考答案:    
标记此题
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 thfobz 7)ca8ey6 at of the eye and through which objects appear smaller iyob68f) ez a7cs referred to as a

参考答案:    
标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the follol-fl peu1h 97dwing ways is a camera different from the human eye?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of light by the eye occurs at keo, m(vs 8j/vb;z+ljthe

参考答案:    
标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an eyge8/ /f2i hzkde can see objects clearly is

参考答案:    
标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at which an eye c3kxt6)8 eh- xxdn(baean see objects clearly is

参考答案:    
标记此题
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, the personhh:zregj 931k1rkv x4 is likely to suffer h e1kvjz1934hrrg:x k from

参考答案:    
标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be correc j)dcsm.ms7m al/z ;()uo8g outed with

参考答案:    
标记此题
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, tt yz:9)e43qvz4i nornhis gives rise to a vision defy qnn ot i43z4v9:rz)eect that can be corrected by using

参考答案:    
标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too sh :h s1h)i3 vrr+zfs:ajort from front to back, the person is likely to suffer fro :i) av31hhrzjf:sr+ sm

参考答案:    
标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be corm h974swq n6 o(rxjtq3rected with

参考答案:    
标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too s jtdeq6iay :ir+u43m3hort from front to back, this gives rise to a vision defect that can be co36+md:q3rayi tuij 4e rrected by using

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifyi/fq (rjl 0xt /lrt3i w+u4fr9rng glass?

参考答案:    
标记此题
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a very axa +un3jox/p-9e. a1ji1k f plarge diameter objective in an astronomical/n pei9aokjjuxx+.11 fpaa3 - telescope is

参考答案:    
标记此题
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed by a refracting telescophq1ufy-l+6c b 3e4pqni5m 6za.7ymdc e. Suppose an opaque screen is placed in front of the lower hal6e d 6q3yi4hap. l7b c1qfmyzm5u+c-n f of the objective lens. What effect will this have?

参考答案:    
标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film use 5ie hg0b*mv;yl3y0td d has uniform sensitivity throughout the 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 lens of the telescope used0v ed3t;gy05 my*hbli.)

参考答案:    
标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescopcy6 p h4dq fla:28exz9e has a magnification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

参考答案:    
标记此题
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 beitz9suo x,n80e ei frem+) 60k able to see the greatest detail when using a,s6mr)ko 9e e0zi0intf+u 8 xe microscope?

参考答案:    
标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frovitgk,3/202a .sb ex cuss3bum

参考答案:    
标记此题
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffk8geem-g r.w;nvwzujl:*4. h er from

参考答案:    
标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power t5 9htlj 7w)u:ai-*tv6a nycmof a microscope refers to the ability to

参考答案:    
标记此题
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 :8t yfd9auood871c d kdoubled, what happens to its resolving power assuming that all ooyd8dc9dof87a u: tk1 ther factors remain unchanged? Its resolving power

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
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 diopters)yi80f4lm;dd;a0 b; anr* plq;qmfp y2 will allow this person to see distant object p; mb0naf*;d;8;yf0 lq4qiy rdmla2ps clearly?

参考答案:    
标记此题
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.n7:5p asio8ai 0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm i5 pos8a n:aii7n front of the eye?

参考答案:    
标记此题
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glasses whose le(mak pjpk6d/q * 4y2w*-bm:lf dkpgz6nses have power of -0.15 D. What is the person's far point if the glasses are very close to yaw* 4*f( -klz6kdmqg: pjbp2d p/6kmthe eyes?

参考答案:    
标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is ne-edkhoa b-.* aeded to correct for farsightedness where the uncorrected near point is 75 k .*a e-ob-dahcm?

参考答案:    
标记此题
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 reading glasses c7eq ongu6 p+dv/ira//;snv+ /a+onm izc4k m-lose toiarie/+ n/ ao u6++/kvv zsn;o mcqgm7p/n4- d her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can read a newspi7y w:7kwtb 0uiy16 leaper held 25 cm from his eyes, if he wears glas7itku:0il e b7ww61yyses of
+3.33 diopters. What is this person's near point?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
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 near point of pxp 7+od6da(55uhe zj25 cm. What is the magnification of the lens for that person when their5paze udohxd+6(pj57 eyes are focused at infinity?

参考答案:    
标记此题
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 25 s- k8 cnljcnd9 x2-a8wcae3 u,cm. W,8uean2-w8cxdl c - j3c9k snahat is the magnification of the lens for that person when their eyes are focused at their near point?

参考答案:    
标记此题
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 magnif em216:nmjobhl jr*l x*2j*nj ication if the imag6*:rj njjn1 moh* 2m*lj eb2xle is viewed by a relaxed eye?

参考答案:    
标记此题
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 magnifyin q *mo0xik-ab7,a0bno 1jwi+zo2x( v qg glass. What is the maximum possible magnificat1 2q+ xai*vo-b joi(zkxo0bqm,aw7 n0 ion?

参考答案:    
标记此题
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 ;p:-k c dlm4sa5.0 cm as a magnifying glass. What is the magnificam- lpa4;sk d:ction if the person's eye is relaxed?

参考答案:    
标记此题
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, 4gnr-a)3 fagob+wxupz 6 .: i2t.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lens w+ g-a6ibu32x)nr gtao.f:pzes to build a telescope, what is the maximum magnification you could achieve?

参考答案:    
标记此题
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal le5r)y9(f it c0mfjp bx 1h,.vetngths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you wer(ymt ch5p. 0)f1 ,ti9 xfbrjvee to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telescope?

参考答案:    
标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope hd/ysx-ju:o-t ;2azl nas a focal length of 200 cm and its eyepiece has a2 -yl/s;zjn-x:a o tud focal length of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

参考答案:    
标记此题
41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an mnqwm )) r l*)93p.l1nbe n4bq cfvjn,astronomical telescope with a magnification of 10. If the pc1mq3q9)nwnll r n.,m))4fbn v *bje telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece?

参考答案:    
标记此题
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 magnificgw:azy)g0y , gwxg+x4ation of 10. If the telescope has a converging lens of x xagwgg+4w0),yzg :yfocal length 50 cm, what is the resulting length of the telescope?

参考答案:    
标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X*n,p0cr t hn jpj)(1cu telescope. If the telescope is limited to a length of 20 cm, what is the apprp,j0ruj c(pcnn1 *h)toximate focal length of the objective?

参考答案:    
标记此题
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 eyepi9hue3ydw kc 8s7p20fz)w(ocoece of focal length 20 mm, adjusted fory7 3p o2uco)zw s(9cde0fk8hw minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenses?

参考答案:    
标记此题
45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focv w(xifjtr8; + j3oi+q09pwy yal 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 objective. What is jqpf+ twjwxyor8(90+;i3i y vthe overall magnification?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
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 lengt6vr8chey-esl kad)/cby 8, )ih of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the totalvbc8esc )rhkd)a/- yi el8 y6, magnification?

参考答案:    
标记此题
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-cm barreljm6* t:2i x.yv m xz/zqpcz3-z and an objective with a focal length of 8.0 mm. What z v2 6zqzxxzym*ijcpt:m/3 -.is the focal length of the eyepiece to give a total magnification of 240?

参考答案:    
标记此题
48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the1x- h0a4zt nhy*r*gdo 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) telescxgyr ho*1a-ntd 4 zh*0ope that can just resolve the two stars?

参考答案:    
标记此题
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to mwm- ycbjv k2rbs*l 4)i4(a q:resolve objects which are 0.010 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 diameter of the objective4r)qsalv2y*b-b (4m:mjkcw i?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
教师可以抽题组卷或一键复制本试卷，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
标记此题
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's krgb7gtk0bn9fdr9(m s6h4-j mu d) ;w eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of rehs7f r9; wm0dbm tb9(n4 )k-dkr6gjugsolution change?

参考答案:    
标记此题
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 hasozlmi/h1320wyfm 7okn// fwu been placed into Earth orbit by the space shuttle. What angular resolution y/fwmowz73f20k h i 1nol//umcould this telescope achieve if the wavelength is 500 nm?

参考答案:    
  • 姓名:游客(未登录)
    •
    总分:51分 及格:30.6分 时间:不限时
    未答题: 已答题:0 答错题:
    当前第 题，此次习题练习共有 51 道题

    试卷内容到此结束!   © 2025 51fly国际课程 (https://51fly.win)版权所有

    浏览记录|手机版视频|手机版试卷|使用帮助|51fly国际课程 (https://51fly.win)

    GMT+8, 2025-11-5 09:45 , Processed in 0.341683 second(s), 132 queries , Redis On.