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 the shutter is open and the film is exposed in a camerap4kwy1 ce,pb(jng 3g2 1sas5r is de12pe1r4n pywg,k sja5s c(g3btermined by the

参考答案:    
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 reac7dybc,2izk h1bhd- f6 hing 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 distance may boff2srp l8i;cjq18 r1, yjx( fe varied by sliding the lens forward rf xcof,; s1f8rqj p j8liy21(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 um5d.:ja0 eoc the film with a field of view that corresponds approximately to that of normal vision is.0e:cua5o mj d referred to 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
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telescopp2h/ pprvau ku7m:9 n-e 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 that of th0o pi+atn )j/k wph93te eye atp )nhjk0t3 o+w/p9i and through which objects 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 -psdjx1 ekj+nej +s8 4camera different from the human eye?

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 of light b .jjmx: (u,mamy 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 iehn u9vqa 7izc8gv;:7:axo pc5yw 2z (s

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
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance ajo(i)wnae( lx7b2kj-t which an eye can 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 e-l9o tn4 t1a*sb/ dnqto back, the person is likely to suffer from-od /4 a9nlqbs*tnt1 e

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 corrected qs thxv3+/gvfy*nu 7: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, thi7z+i ,oyiw lsltfy, i1k0w 9f(s gives rise to a vision defect that ywl,+f iz 9ysl ( it1owik0,7fcan 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 short from front to back, the persoh/(q.q*62 w8b h iu5yuvv qvern is likely to suffer from / iuwh2vyq*v 5( hqev8ru6.bq

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 /x* 8y9egikdw/ur. oo 7 2;w6lbnpaq fcorrected 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 short from front to back, this gl ub)h3 6 n ye2hgb. ae-h0atmsz0gr3)ives rise to a vision defect that can mgylb 3h)tgn ze.0srhua0 b)aeh -3 62be 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 islk0h 8)0yywv bd,zv6icbl6 n 6 a magnifying 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 vermge7i k( m tspj8frm5r5/u8,ky large diameter objective in an astronomical t5/iesuf7 r jm5p,mtgmk (k8r 8elescope 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 formcr7g9d .f fbzqjmf6 ;uw.: w3m8mosdlzk1i7;ed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will tu w rcg8q1zwdfm 3bmffo;.6ld.7;km ijs:79zhis 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 visibled3 yebz)s 3 0dej1i+bu spectrum, in which of the ed+b3zeibj1d)y30s u 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.)

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 magnific52+qf)y; y1hktsthoj zil 587l6cse mation $m$. 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 be able m-qpe)p: s+d9+scrz (1k mre-6vc gy puo( 2hqto see the greatest detail when using a microsc+ mq -z2gochmd 19ers-+es (ypqru) ck6pp v:(ope?

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 jnu. t wxq0a))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 fromp4ot5x95 ymvxzs+c5wgi c*.c

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 auf06 j 2fnwk8d-b1jnnpq )nl( 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 doubled, zj:nsd8x wr4yi0ezk,r5r 9r.kb m/i+ what happens to its resolving power assuming that all other factornwkmzx ,r8syd.ziri 4 e9:k+ j5b0rr/s 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 has a far p(agg88hes r m9,0ipgcoint of 18 cm. What lens (in diopters) will allow tc8sm9 0h8,i (rg ggepahis person to see distant objects 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 rff yf6,w ,fwb e;)c iu)2e klhgn,5x0more than 70.0 cm away. What power of lens should be prescribed if the gl5bg6 )kycu, ,f2fe0x)newifw, h;r fl ass is to be worn 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 glz,ksg7a;4 msx asses whose lenses have power of -0.15 D. What is the pers;m s,s xzag7k4on's far point if the glasses are very close to the eyes?

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
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 f vdgx6yj8zhayhfib7: ta526s*( ;y hxarsightedness where the uncorrected near 7 62yvgtdyx;ij (a8x:5yh*bhf zs6ah point is 75 cm?

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 g,ow+erv7iwhi8itc1,rx 9bwujw73:o lasses close to her eyes, and with them sh1ie9 rvjcou+7xi :3wi,w,r7twb 8wh oe 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 r+ oql :yplpjd.,(nq 3read a newspaper held 25 cm from his eyes, if he wears gl,qyp l3 nopjdq:. r(l+asses of
+3.33 diopters. What is this person's near point?

参考答案:    
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 l.u m y01pw.6 3he*acjqrr4j mssu*v-a near point of 25 cm. What is the magnification of the lens for that person when their eyes are fo4wj- spqru. 6 r*h am. 3csuml0vy*1jecused at infinity?

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
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal lengt/ ,u.n0lm*sq0 w ilsoih of 10 cm. A person has a near point of 25 cm. uo0.l minsiw,*qs0/l What is the magnification of the lens for that person when their eyes are focused at their 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
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass has a focal length of9prbh6xaq;f2:o xj :d 7.0 cm. What is the magnification if the imarx26fpaqx;b9h:o :d j ge 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 magnife d-emh-r/gdyx o4h; +ying glass. What is thdex4mh/gyh-o r;- ed +e maximum possible 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
37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lenmehc vh1 -6.upav nto lba)iqm:, pvo 286g/*js of focal length 5.0 cm as a magnifying glass. What is the magnification if the personph6ai8o ,vqpaom-gh:uej*.)n 2 c /v6v btm l1's eye is relaxed?

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
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focalqiz,sj764z:plg.er ) . r0hd bs bpr5r lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maxildrb75r.0rzg:q jihe pbp,. ss46 )rzmum 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 2.0nkgzj/ 0no+u :30/lb3mugvp -fdnv 5s 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 magnification telescope?-3k mond /:5+nu0vf v0pzgj g/s bl3un

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 r 5.oony5jm(pzph1m8200 cm and its eyepiece has a h5j(o5zpm y1p8no .mrfocal 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 astronomicy.pk.wcsz ox 8f:a om1(k6ot+al telescope with a magnification of 10. If the tel+t8oys.k kcp(ox6o. f :1mzwaescope 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 telesc-ku sbwql/ .9cope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length ofbsq-k l9 w/.uc 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 telescope. If the telescop5bbow 7 t4ut:wejrr;s fy-.92 +mcjaze is limited to a length of 20 cm, what is the approximate focal a4s 5 9tcuz+r;bf:.jj oyw2-btm r7w elength 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 uf*1 opg1-xukp; hc;gz9h1 yz and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart 1zz gh1f;u*1y;cp9 -ohkgpx uare 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 focal length 1.4 mm and an eyepi0jjausr b4+z :ece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnificatio ju s4j0a:+rzbn?

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 3ej mbf7 (.h6uj.00 mm and an eyepiece of ju.( 6mh7bfejfocal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total 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 barrel and an objectiv )2 x 1xa9)h+i/ xt xxsl+)lxps h(s)vifqpkk2e with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 24)xiqtxf)vxl + i 2)l9k2pxax+ ksp)sxh1s /h (0?

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 hazbi1w9 u.;wxzhv2af ) s 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 tw;w 2ah w.ufxz bvi)z91o 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 objects which arbr/:0 s ,icg rm5w(dyce 0.010 mm apart. If the focal length of the objective is 4,wycgd 0:r(/ mc5r ibs.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 persox8ozah 8qiqbahtu( rn 9e .k/6v.k+i2n's eye changes from a diameter of 3.5 mm to 1.5 mm as the illuzi ea8ht k9( kxqi82nah u/. +v.6rbqomination is increased. By what factor does the minimum angle 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 0 :k0 ntejysdu-bi )3kSpace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution cn03b y:dk)jts k0u e-iould this telescope achieve if the wavelength is 500 nm?

参考答案:    
  • :
    •
    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 20:16 , Processed in 0.447351 second(s), 143 queries , Redis On.