无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

 

      

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

Switch to Full Screen

习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://5edu.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://5edu.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: admin  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 the film is exposed in a 5c 5sdm-l h7hdcamera is deh s5dch57m-d ltermined by the

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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 reaching the film in a camera9lowip7x)j (w 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 th+wm97 8bb llsbe; uho6e lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fu9obsl8+bl he7 ; 6uwmbzzy 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 wi+ahv,-h x gdh47bd+k wth a field of view that corresponds approximately to thd 4h,d+vx hhgbw7ak-+at 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 likexro)kn 3 14z o tcmof4.vstp53 a telescope to magnify images is referred to as a

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that coversa4vy: mg0ohcz,p sn4c h,r;0 i the film with a wider field of view than that of the eye and through which objects appear smaller is refeop4, 0hiy r:m,4zn0;vcgs ch arred 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 p+ kne /i7dzo/27etan)mame0is a camera 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 by the )4jf(cd yhaiq( p2c 4seye 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 +nk+o2hzwsqcba. w75i9 ;spzcan 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 9ji7r9a/0 yyrx edcw/,czw q) see objects clearly is

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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
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 tox6saysj,bd bu3 2j 8l) suffer fby,lju6a)ssx8 djb3 2rom

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 with/*6prxssau7s7 xk*zy 2(xw y l

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 gives rise ux:x/6 j qm2zv..twhd;op,nm q4s3q mpu j(-eto a vision defect t.dnqt- 2 3m e ux/m 4j.:wp(m;quzjpqv,hxos6 hat can be corrected by using

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is .8c8htl ;rxn ttoo short from front to back, the person is likely to srxt;.l t8 n8chuffer 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 (,nx6l0(q rb.jwjlk 8tv/ xcxcorrected 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 to3j/kem hq. (rl0eqe-n a vision defect that can be corrected by usk- emne0( e3ql./rq hjing

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 gx ,2 m :yl7algh*s5meulass?

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 a r lc5: q vtx7tijk.n4de5lfm-37rq8u n astronomical telenq5irt :jur d4ltf7x5l8.3-ckq m7 ve scope 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 telescopegz*0+1lcp zsryu9 m 6 r3n0ixc. Suppose an opaque screen is placed in front of the lower h+lp ri r36z0ungm0zy9c1cx* salf 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 uniform sensitivity througt1s/r3q pjo )*sg 9kdwcky8 e)hout the visible spectrum, in rd p1j3st8)qk k woe*g/)9scy 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 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 magnificatiot qh.b9n (bs :j;jt fhpg,vr(/n $m$. 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 n..) x dzd1oexfxez0+ expect to be able to see the greatest detail when using a micros ezox+en 1 )0.xf.zxddcope?

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 ch/8jm :w ;mdlfrom

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 sufferf k,3bc- bfd px.)eyq) 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 of a microscope refers to t1 3ufn0+cyjy-wqgwo ) he 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 mw;:gpm/i ty5h*cv ( zygy6 c6happens to its resolving power assuming that all other factors remain unchanged? Its resolving (g: vczm/6ty 6mh;y i*5gcywp power

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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 l ) ytw19ev3nbkens (in diopters) will allow this person to see distantk v 3e1)ytb9nw 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 jdu. 8l ;l2 o,c6fnprnmore than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 ld;lnc j6o.nu8,2rp fcm 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 wea(rcm( f :/i z.l5rvbjdrs glasses whose lenses have power of -0.15 D. What is the person's f f l/5rcivz:(.m drj(bar 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 farsightedness where the unvd u96- lvbt+qcorrected near point is 75 6+qtvd-lb v9 ucm?

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 1.vqqh9:26n g hpn2njmxik 40 t00 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a d6n 4iq9qn ht2:.m2j0np gxvh kistance 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. gqog.wf3o 3u k-uqw1i5;y vtfu gp;- a newspaper held 25 cm from his eyes, if he wears glg.og qq3 tfu-y w ugp.o- 1iw5u;f;kv3asses 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 leng0jsfqkw3lo2-ls j6i ,a skx(+th of 10 cm. A person has a near point of 25 cm. W6o a 2(+ -j,flj0x3iqkwsskslhat is the magnification of the lens for that person when their eyes are focused at infinity?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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
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 perso2(s3 nrzf -qwyn has a near point of 25 cm. What is the magnification of the lens for that person when their-fz(ywqnr 23s 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 thjts //e)e4a iy) ojru8e magnification if the image is viewed by a )e ato8i jru)/ey/4js 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 :ddvh hd67n:t5qx+uq zv(v,.p + fvwmlength 5.0 cm as a magnifying glass. What is the maximum+ ,ph:7vz x(:ddhvd +uqw5fmv q6vn.t possible magnification?

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 m1odyv9w+n;,:dlv p ) u4 hjvyyi2nv ldd:4 ,kfocal length 5.0 cm as a magnifying glass. What is the magnification if the person'svo9vu,4 dh 4i:mwkly;dnpdd) jn1vv ,+2y:ly 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 lensehxxlk.:/ ua+/tg6g fas 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 telescope, what is the maximum magnification you could achievaah6/ tfxxg:g. lu /+ke?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focaenwgb *;4wd)wh ua42n/ a1b nel 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 tw1)gnb/a2u;dea4b *w4h newn he 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 focaixev u9sl8 -;il length of 200 cm and its eyepiece has a focal lengthu v i-;e98slix 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 wi59sgy9east.hzalaih:z o. 5) th a magnification of 10. If the telescope has a conve .hza 5)gs9 st5a:iloe 9.zahyrging 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 magnification of+/,u(c, rhqqcafe )e s 10. If the telescope has a converging lens of focal length 50 cm, what is , e,+ hr )esc/q(uqafcthe 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.9fjy*ylr rz q f2jr;-5 If the telescope is limited to a length of 20 cm, what is the approximate focal lef fy rjr2zl*59 jr-q;yngth 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 -/jv 6gg3o9w :vh j saci:tqz*p1e c0jlength 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. Hs1 h:q6w-j:/g3o9zv*gtjec 0cj iva p ow 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 4gp8ds/z- t fmmm and an eyepiece of focal lengmzpg 4t-8/f dsth 20 mm, 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 le5wk30-3znatp /(x z eaaiza;wngth of 3.00 mm and an eyepiece of focal wz;5z z-33p0 xaiane wa/at k(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 bja-11y sna(hr s0ip/i arrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240?yn0/p ijr(1 h-ai1 ssa

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 Orionku ftb-d+j t h/;vih6- 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) telescope that can just resolve the tw6htd/kj fib+hv ;--u to 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 are 0.010n*tf 8hz ; jc)2(u:5k1 h rmtlhha9bva mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 59ub*vc;)htt(zhr2aj l:hk m 8f1nh5a 50 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 mm as the if)zex( hci a6zqa9*.ih z5vv 0llumination is increasecz(09ea5v *vhhza6xz )iqi .fd. By what factor does the minimum angle of resolution change?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，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
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 placedlut5v i 3b05xz into Earth orbit by the space shuttle. What angular resolution could this telescope achieve 035z li xuv5btif 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
    本平台(https://5edu.win/)支持练习，作业与考试(自动评分)三种模式，群组成绩统计排序导出，题目动态变量实现同卷千人千题。
    如果您对本系统感兴趣，想加入我们或者想进行任何形式的合作，请加微信 skysky1258

    试卷内容到此结束!   © 2026 无忧得胜-网上国际课程 (https://5edu.win)版权所有

    浏览记录|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

    GMT+8, 2026-8-8 20:57 , Processed in 0.321838 second(s), 132 queries , Redis On.