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

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 tqxdq (g gdtfj; f;*g*1he shutter is open and the film is exposed in a camera is determinedqg *d t;f;g 1jf*dxq(g by the

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 reaching the film in a camera is determined by -t7xqezwok, ) the

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 distanhm(,rnvv( 9*nrpp3 6km8 vb uace may be varied by sliding the lnr6b,m(8 u*pvhrn apkvm (v93ens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture 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 covers the fil(kr.6wc lyy;br4+egn m with a field of view that corresponds approximately to that of normal vision is referred to a+bgnk yw.yelc64(r ;rs 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 a telescope to magnify images is referred toz9)pfp6 y nz9e srmdk ;9eaf//j ehs,3 as a

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 tp d*wdx8a 7:dvhe film with a wider field of view than that of the eye and through which pw:dvxa *d8d7objects appear smaller is 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 following ways is a camera different from the human eye?-b ;spdgne0uuiyzu3c 5b-a3 rs:t k(9

参考答案:    
标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction pjisu, r;c hu/fdql yh395 ei8jf,z)7of light by the eye occurs at the

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 eye can see objects clearly 2yo20xg: o0by3gwr7ax6bk wu 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 can see obj cj6ny) xc gi/bu6zn qom52w8,ects 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 4j,ai:3po19 wedawki;8tskt to back, the person is likely to suffer from 4 j8tiwa3:at ,;soi19kpk wed

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 corco;pn xz i.vj 2xnt9lz0k y3q3,bq9 z(rected 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 fh.p59iku 6c(i or bnbj4 ;k24zoj/ zolong from front to back, this gives rise to a vision defect that can be corrected by using2 k/zobf5.h i cb4p;joz49k jn6io(ru

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 short fb/( gt9 injmgk9axg,2rom front to back, the person is likely to suf/bja92gx i9k,gn(gtm fer from

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 corrected w lb2)css eyngb22j2y;gm 6j (xith

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 i6g :bul 3.s/xj3h uiv.gok0wss too short from front to back, this gives rise to a vision defect that can x s 3g/63ibouug l0vs. jkh.:wbe corrected by using

参考答案:    
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 magnifying glaskje1n .)zfaq-mw.,n zs?

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 large diameter objective in a4unv .fgo)) k7k)q/cfl ui3ux j(3a dyn astronomical t logif3(dv/4qj7 y)u kncux)f3u)k .aelescope 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 telescope. Suppg;:0*n5c 0 jtjrof x bfsn7rs5ose an opaque screen is placed in front of the lower half of the objective len rgr;:s 0j*bncsxf057fj5 tnos. 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 used has uniform sensitivity throughout the vi8eds8fka.p3c sible spectrum, in which of the following cases would you be able to ak8 cp8esfd3. best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope used.)

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 telescope has a mx, d)f6qcpcc k2boxn ztlsz0b1+v m* -5a1 op;agnification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 be able to ss4 zx8bh5+ z n5fk 7kquio5,p+jwpr3r ee the greatest detail when ufr84 +xq5zhkr5i usw,z5+p73np bkj osing a microscope?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffe ii(ev,y9;if er from

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 suffer fro-sfde3m; e+tnce2*x r x/o;dj edmt3d,.1xhcm

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 of a microscope refe mbt68 bjp6mtv nfau t*4z39)xrs 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 doubled, what happens 8 /9t3(i;e0n4b pxm)mrc ymzd yxj(wx to its resolving power njx0)pce (mxybdyx 4miz m ;/r(39w t8assuming that all other factors remain unchanged? Its resolving power

参考答案:    
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 h;etj)5b617p5 0 t xo llgk*ntqps vl(yas a far point of 18 cm. What lens (in diopters) will allow this lk e0) p 5t(*1xo6pblqtlts5yvn7j ;g person to see distant objects clearly?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 70.0zw 31sb0rmn i8;pdq1y cm away. What power of lens should be prescribed if the glass is to be bpmqz 1yw3r80dni s; 1worn 1.00 cm in 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 lenses have power of -0.15 D. Whatz8 o.v7n,fnjdmbyj ye9/ v4nkz42 hj3 is the person's far point if the glass9j.2hkof jjzebmn 7 znvv,y44d/3 y8nes are very close to the 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 needed1kwu zblh-.exn 3aw,hb e0v )0 to correct for farsightedness where the uncorrected near point is z1k )h3whb- u ,. v00blaxewen75 cm?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 farsi*iy4(mye0tju ghted person is 100 cm. She places reading glasses close to her e uejm0 *t(y4iyyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?

参考答案:    
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 newspaper held 25 cm from h )dx0:dja+y)owvh2 r kis eyes, if he wears glas) xhjywda+do:rk v0 )2ses of
+3.33 diopters. What is this person's near point?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 25o0psq 7) aazg3u9 lx5b stca7. cm. What is the magnification of the lens for that person when theiab3qa0 )os5xzg sc .7u7pta9l r 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 0rhu zwe+-j zyy4 fa875 zru,xfocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their e zy fxu0hr 8 -ze,zr74u+wjya5yes 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 leoik:i1bt:70 nwq:0d wjqskf/y*x nt-ngth of 7.0 cm. What is the magnification if the image is viewed b 1/byk:00:wxdwnit is-nqj :qt fo 7*ky a relaxed eye?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 focaaley/j mqjn0 9tye/2v:og ze;0o:pq 0l length 5.0 cm as a magnifying glass. What is the maximum possible mag;2y av:lzy0 9qe0gejqop e0/j/ nmt:onification?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 foc .oy -atjv:ux4al length 5.0 cm as a magnifying glass. What is the magnification if the persovxt:u-4 yoja. n'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 lenseeisivo gd4zp (jv w6z-(g)jauy8y3- +s of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these l6-w eiva zuj -4j yz(vos+diy(3)gg8 penses 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 mg2hqxe+kmc(p+( cg.cm. If yo(hp(gc+x2gkcqmm +e. u were 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 has a focal length of 200 cm and it5lhcqaou ) sb,3tj+ 0gs eyepiece has a focal length of0,aqb o+h t5l3usj )cg
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 astronomical telescopnom 3fzwz3( a-e with a magnification of 10. If the telescope has a converging lens of focawf-33 mnoz( zal length 50 cm, what is the focal length of the eyepiece?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 wkl9z88m b3pa 4hw:ad k/l (ncvy0f6w lith a magnification of 10. If the telescope has a converging lens of focal lengt /(f ylmk8 npl9wdka0l :b83av4 cz6whh 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 3k3k/s9;i6qrfthnr e telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal lengthqk3ns /9t3rh;i r6f ek 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 :4( cul9hq3 kwzb f(.vj-ozx dlens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sam4qzzx( 3 (.f- djb:vlckwu ho9ple is placed 1.5 mm from the objective. How far apart are the lenses?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 foca+.x fiyz;t/)f rc9 avul length 1.4 mm and an eyepiece of focal length 20 mx.tav r 9zy )ciu+/f;fm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnification?

参考答案:    
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 length of 3.00 mm and oh78v rt yu0g,an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what r h,yvug0o87 tis the total magnification?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 barrel and an objectiveolm;p-zlh7b6p(:/u gh0a5.sk wa bqn with a focal length of 8.0 mm. What is the focal length z skp6hl/b7(5;h ma.-nbulpw:a 0gqo 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 the constellation Orion has an angulaf r3y2kjk,x9o r separation of 10-5 rad. If the wavelength of the light kk3y,2xjrf 9o from the system is 500 nm, what is the smallest aperture (diameter) telescope 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 resolve objecw bd /kl;s hppogpve/95(: mi,ts which are 0.010 mm apart. If the focal len;v o,:mh d/kpb(w5/lpsp9 ge igth of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

参考答案:    
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 eye changes from a diameter of 3.5 mm to 1.5 d /k89hjdp7wj mm as the illumination is increased. By what factor does the minimum angle h9d7/kjwp dj8 of resolution 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 has been placed into Ea5jphy/ (pid qhm:zuq /0-oi9w rth orbit by the space shuttlpm0 /ohyh 9- 5qjiiwqu:p(zd/ e. What angular resolution could this telescope achieve if the wavelength is 500 nm?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
  • :
    •
    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!   © 2024 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, 2026-9-7 20:19 , Processed in 0.548859 second(s), 131 queries , Redis On.