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 inya/m3ylx5q 9zyi/pui 2v(zx ( a camera is determin9i5/zxyu3px/my ( l y(zv2iqaed 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 reaching the film in a camera is ded r83a 5 nwjc4iy.ylpof21 g)r4lp-x ktermined 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
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex camera th/.hu-c6c -9oof3d *:j s rqayw gqf4zde lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camazdq *cu: /goy6-dfc3o-jsqr4wh 9 .fera, 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 that corresponds aw6s5g (b09q9w otk9ms ae4 pvopproximately to that of normal vision isspw4et5ow9k a qov9m60(9sb g 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 acoawme w2m)/-ob+l 2o nts like 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 with a wider field of view than qg9.kk,+kmt ks 7 t0cpthat of the eye and t+gkcp0ks t. ,mk k97qthrough 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 cam6aq xxd7xxi7 7kxdc 71era different from the human 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 by )uomt2hb 9d+r( ei-6s*zsauig b6h +xthe 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 setu sc357uc2l ve 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 ).vc,mr hy494 ppkllfeye 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 1kbte-e7 k.vj long from front to back, the person is likely to su .t7kjkvb-1 eeffer 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 corrected w )x()(9lvnbnj xwfg/r q8 /ugs 1k;gljith

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, this gio:/3d rk g(wm1tlb8i sves rise to a vision defect t t:sdlibo18w( 3 /gkmrhat can be corrected by using

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
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 gj oy.gm/etj10 eev+/person is likely to suffem/tgv1j.ee +jo y/e0g r 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 co2;.ptf7flp dtrrected 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 gives rise to a k8btzi f 8 1turu-i)u)vision defect that can be corrected by usinrutti)8 u8-z )1ub ikfg

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 glaq (llw6g+. 9zd*fpsrwn 8q)xnss?

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 fu1h c-8gd7 g:v *cavn/bwfnzv,s 7j,using a very large diameter objective in an astronomical telescopesnaz* n-vh,fvgd87vgfw u /1j:,bc7 c 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 telescy d )hzov3;pkwz (*)acope. Suppose an opaque screen is placecdz )vhp;z (yk aw3*)od in front of the lower half 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 used has unifo xyxrc zy9+32prm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closel9py 2 3rzxy+xcy 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 mq/l 3t5goxr e,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 uvwcii-(g+z -v(hvx(be able to see the greatest detail when u uvx(wchz -vi(i+g v-(sing a 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 f-jrh+- kb1al8j, max4ntbu,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 fz9vgw;ul9 g b2rom

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 refers7.cec*tk7s q; cnb-rm yh p;p- 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 to wb;sf3z2i k vij:bfri x/e 2r*2l2gb8its resolving power assuming that all other factors remain unchangg*2/3ex zrkb;fwrb f:sb ili2 ji2v 82ed? 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 point of 18 cm. Whatig.t u 66-: humu0vxsm lens (in diopters) will allow this persou6x: vs6 -i.0umutg mhn 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 more than 70.0 cm awaybw0bel a ,o,,t. What power of lens should be prescribed if the glass is to be worn 1,0lw ,beotab, .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 ar mj;onf,h:s4 nw4 i:whose lenses have power of -0.15 D. What is the af wo4isnnhj4,:m:r;person'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 to correct for fprus; ct23h u9b6 p9wlarsightedness where the uncorrected near poiwulu hprsc9 6p3t;9 b2nt 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 farsightedr9mz5r -xdr1w,p nv3 r person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance mdrx5w -1zv9 nrr,r3 pof 25 cm. What lens 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 can readdal( t- eq8t5h a newspaper held 25 cm from his eyes, if he wears glasses -etaq(l8tdh5of
+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 per 41:e(yi ;hgeh(tdunj son has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are dnu (jh( eti4h;gye:1focused 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 4.t 7hpan2a k5ftgf07up6iim 1j:kx fhas a near point of 25 cm. What is the magnification of the lens for that pe t7j7im6 5ipanaupfg:0kf2 khxf1.t 4rson 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 l3d7l pq-rws5,z cslhtr/+sdirqva15 r 4/)y cm. What is the magnification if the image is viewed by a rpwh l/d,lrrzs7 qi/ rt5s +ya 4dqr)vl3-15cselaxed 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 focal length 5. 5jpvddl 49bqy. y4eh.0 cm as a magnifying glass. What is the maximum possible magnificaq bd.y 4jdp 4yv.he5l9tion?

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 lengthpt+*iwidfant s xoa-:1c 4n 10 5.0 cm as a magnifying glass. What is the magnification if the pers1xd cnni-+af 4i0otw atps1 :*on'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 len9b08-ky uremjses 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 lenses to build a te0k-r8 9bymu jelescope, 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 lensesg3: +.tlsignjft 8,e eqil v1+ of focal lengths 2.0 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 separatji . 1ne+:gfl3ilg esv8+, qttion 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 dd h:q 7jn,j19g tof::nd2rxdcm and its eyepiece has a focaxo,d2d7n dj1gqthrdf9j: :n:l 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 astronomical telescope with a magnification of ,sgeuu b -()lk10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengk-)leg b(su u,th 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 telescopx1i)1 gtg- - c**fufzfs,/ctbmr mh2ve with a magnification of 10. If the te-fg*fuv /cg1trs cmfzmxhb2 )t*i-1, lescope has a converging lens of focal 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 telescope. If the telescope is limited to a lengthn;0qo0y(fb m p of 20 cm, what is the ap0mn py0q(fbo; proximate 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 focvk(c- 2dcdv1+sa367fov tb:zfp.o of al length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1..dtdof fv:a6 (o k-o 1szcv2c37p +vbf5 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 and an eyepienfbu i3yrgl46z (ep.1 syn9. ice of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 i1ze (yu4 b. 3liy6fnsr9.g npmm 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 +w9m/jyf ixe,qu:v nvk:)qw: has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0kwq)e+uvi9v:,wqfn:jy x: m/ 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 objective with a focal le8/q-u4ew3vwbi*9 k 4uflewonngth of 8.0 mm. What is the focal length of te3o*w4w9 flk/8 q-wi4u uvbenhe 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 angul5rj/b3by(lg y ar separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the sma g/3y5y( rjlbbllest aperture (diameter) telescope that can just resolve the two stars?

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
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is design.p, rk,/.l)xkizxeuo ed to resolve objects which are 0.010 mm apart. If the focal length of t,kr ..o)p xe,/x lkiuzhe 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 em x,8r vuht -o4ih1cv2ye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factorvri1u42c hh mo8x,t v- 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 Space Tels ; llevj:qq/77/o dslescope has been placed into Earth orbit by the space shuttle. What angulqlo/; e s:vsqlj/ 77dlar 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|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 0.694660 second(s), 131 queries , Redis On.