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 shuttq bks75yb8 blgkov,(r98k- r uer is open and the film is exposed in a camera is determined by tqbk7o 9bl-u5( s8rb,8 gkkvyr he

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 re zz lxye98rxz+shv8:+ aching 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 camerrsd6pf 1-5kqi oj0 8 iih2vq5ja the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. rkqiij85 6hsvdfqj i0p25-o1 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 film with a field of view tu i3kl(zm se(*hat corresponds approximately to that of normal vis(3kuz( li*esmion 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 lich7a9 7f.qnjl .(e ulxif c:k)ke a 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 w6+jm9wj *vcqkj:8au with a wider field of view than that of the eye and thrj9vw8 :wkj qjcm6+*ua ough which objects appear smaller is 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
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 humsf*ch8f bw 6a/nxm:) np p5o;ran 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
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of light qg9stfd3 kxrn 10 nyyp yg;(d:j )1/emby 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 t 78 pqjlp3cd-an eye 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 can see objects clearly if*0,1k:h8lh qvx y ehvs

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 person is likely u le o2rx3z5 /g2 /epfbpnx1y.to suffe 12elbepr y3ozf.g/52u nx/px r 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 usuallc tuqj g 6mp*no.f06t+y be corrected with

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
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 givmd ps,ou2 .lz1dvl /2kes rise to a vision defect thou1d2 mp2, ls/vd.klz at 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 short from front to back, thb+mof67 jbk*pe person is likely to s 7f*kp 6bbmoj+uffer from

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 correc )rouvyyb oqlgc77xiti96k* )k; 68ga ted 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 f9yx8vxs)q i k(ront to back, this gives rise to a vision defect thasv 9xq)x yi8(kt can be 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 glass?bda n+ox7*d:fc(a5 n i6t6mtu

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 objecw 3p7.pqda)a 7avm af3tive in an astronomical mava.)paw d 337apq7ftelescope 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.ubp ) n8dgyr71 Suppose an opaque screen is placed in front of the lower half of t8und 71pgby)rhe 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 used has uniform sensitivity throughout the visible specmn0cxw)v6 u:bd3y,pj trum, in which of the following cases would you be able to best dic) u0xnpm j:wd3b v,6ystinguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope used.)

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
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope has g3uamg5i4h h 7a 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 be able to see the greku3jboyo6qg*5axqsq *z1 b, hzpb971atest detail when using a microscbsyz**b3,oq96g 7jqubpk x a qhz5 1o1ope?

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 suffo,:p2m an-f xl:fr t4fer 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
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffeg2vrtt:sdesy6 bfs4:f6l ::c r 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
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a microscope refers to the abilit;bh:rqsb97dq/f;uo 3ew + poqy 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 di)1v9y2rt /i/2ya qdwg foc*xbsh is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving powcx 2ayr*9qid b1) y/otfgw/v 2er

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 point of 18 cm. What lens (in diopters) will q4n aiaqc;x:5 allow this person to see distant objects i:;a a4xqcn5qclearly?

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 obj,mpa8z5t +o psects more than 70.0 cm away. What power of lens should be prescribedp+,5zpa m8ot s if the glass is to be worn 1.00 cm in front of the 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
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person6b+4(u lcqrgi h1 d+,exd mx7u wears glasses whose lenses have power of -0.15 D. What is the bxx(hled4 + du i,m1 6gr7+ucqperson's far point if the glasses 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 needed t) ruo.,yl ,esytaj/.2mvf9 cno correct for farsightedness where the uncorrected near point is al).nf ry2ucmo,/e j.t9s v,y75 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 person5(iozik4amd;+q)l. /nafb y z is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What l+z/kyqfzdban45 im;ol. a( i) ens power is required?

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
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person canohu, 7pfg7n a8zpp s)* read a newspaper held 25 cm from his eyes, if he wears g8sn, h*z7)gp7ofpp aulasses 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 oyf:)4p t(ot2 ;1cztttol8 bfcf 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person wheot;f 4)y8fb :ttzo t1c2(ctl pn their eyes are focused 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 akybg ( so2 fzki;i5u--h59swu focal length of 10 cm. A person has a near point of 25 osyg-z -(9 5;wsbk f5u2hikuicm. What 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 m- s1iri7amh/n6r 1 unyagnification if then h1r/m yair nsui16-7 image 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 3x,:i4mya itpy9 -u eod2f5yf lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificafuf3pi- ixe5,mot ydy24:a9ytion?

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 focal length 5.0 cm as a magnifyo 3x1c5 *:1v+flce uviet/lrzing glass. What is the magn 3+:cl51 lzixto1ec ev rvf/*uification 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, 4 vnwo2nx3oe .rd73n7 z.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telesvn3n x7.3dz7o woe n2rcope, 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, 4.0e5m4y gm+v9kp cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is 49e5 vgmypk+mthe 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 fo e-uj,*iq kxc6d5qq 9ical length of 200 cm and its eyepiece has a focal length o,d5*iijc e q6qx9-u kqf
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 telescope wipy o0 nztm.(igxx + /,h9jo9hith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what i t0hx.,jim9 og(ix+on/9zy phs 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 magnifi5 vw/)thp( 2;vo kn(a751 7to wtcsktu-ym wwmcation of 10. If the telescope has a converging lens of focal length 50 cm, what is the r2twt 5nh(/7o 5s; )v7yw-copamtkw 1k (vtu mwesulting length of the telescope?

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
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing j teq/lk2 2qn(dx3)fa a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focjn) 2tael2 k/dfq3q(xal 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 lensj0t+ o5f8 aemt6rmn0h of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood e0mo+r0 tm8tjhfa n56 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 focal length 1.4 mm anhf0: m)xefqqg+1p/or q y.gy1d an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the obj q/ g0m.eoqqh ry)y+1:pf 1gxfective. 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 ansqj h xun9,hn -r3l0v:d an eyepiece of focal length 6.00 cm. If the two lenses are separated b:h-3rvjs,n0uhqln x9 y 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 objectipe/r9yb t1 7b)ge19f4pm zcbdve with a focal length of 8.0 mm. What is the focal length of the eze)dmpbgy/4 79 rc1ft19bpebyepiece 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 angular separatiolzn2dbwv2l/6h8m9 dh).gru5 nm,fjx n of 10-5 rad. If the wavelength of the light from the system ism d lnmf28v)wd5/n6b9grhhu 2zx .jl, 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 rjqd321j wsjq--h on-uesolve 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 nmu3qojj-q1-h2j- dwsn , 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 d+ za0dj6dwh9 pm9u w2xiameter of 3.5 mm to 1.5 mm as the illumination ip 6 9d 2uj+hdww9mazx0s increased. By what factor does the minimum angle of resolution change?

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
51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubzv+l:n vvn6w4j 3urs+ ble Space Telescope has been placed into Earth orbit by the s4j v+rznlnv3v +u :s6wpace shuttle. What angular resolution could 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|使用帮助|手机版|51fly国际课程 (https://51fly.win)

    GMT+8, 2025-5-7 12:25 , Processed in 0.315641 second(s), 132 queries , Redis On.