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 ro6sye6:b,fe 48hpdein a camera is detey64efe d:,so r6epbh8rmined 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 determinesl ru 5u,z.zqyx4dt,f97wreex,3t+ xd 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 the lens-film distance may be l 9v sosf(3s dxo3ez7y)0 h,unn naceb*1/4f nvaried by sliding the len(uoss1 nveo 793f0*dsc4yn)z3l hnenb/a, fx s 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 film with a field of viewy0lt6 cig7j k:e-pll 5hhv8: 7l) vixq that corresponds approximately to that of normal visiol:7q7 t hepkjhi 6vl0cixv:-5 l y)lg8n 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 like a telescope to magnify images is referred to1a2lqk to2ua2p5 jh j* 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 n(h9r rdyrg9 0than that of the eye and through which objects appear small 9n(rgdyh0r 9rer 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 huts;cw -q o0bcs+cjp: 9man 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 the eye occu cl,h4+iq(ag;tz)zka44 o fc8lg ad. lrs 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 whic ,im1a 7-x9n0 q(rao4djgxffpc- 7pr fh 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 e lkb/5u bj+4ecan 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 fp ww 1scqvt1yp*.4 l 5hyh08jnront to back, the person is likely to suffer fr1l5vyw8jwq* c0 hp .h4tsn py1om

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 correc4t+ipf; /sqlu)y dg +1+zjn4sd vtj.n ted 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 lon/ u szxcgf5; 1kz45yo gwf(io-g from front to back, this gives rise to a vision defect that can be corrected by usi14 o is- 5yow(xc;ggfk/f5z zung

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 pe4 r 4 )gji+wk13vvcbmdrson is likely to suf+m4 43cigr1kbdwvj )vfer 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 cjz yin8 2mt86r:aaxi3 dv8 e+sorrected 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 risg8uf. w+w(h vne to a vision defe(fg.hwv w8nu+ct that 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
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifying glak2h/ oh*wr: r y yu:8 vlt3psy8.cilw6ss?

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 ; gir6s5 ij guh. g6r0p6v*meefor using a very large diameter objective in an astronomical telescope ivesug;606epj* 5mgrhrg .6iis

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
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. Suppose an opaque screene)y+yvinx7 glo: y6 r1 is placed in froeio76ly1vx+y y :)rngnt 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 unif 1x fd.pfgc*qu8-je o2orm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (Th. g ujfef8q-x21o*cdpe 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 eak3t*dej;ghj xz7 d;; -r-r ghas a 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 b ew*w/c6 ,n;4jnpt -a; -x 7jgs kichk1sef.lze able to see the greatest detail when using a mic- -f6hwj wc t.;as il *nj74skgc,xeezpnk /;1roscope?

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 fromg+wblh-5 ;9dddlxs 1a

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 suffupwgowtrwt* 3) v+ -p;er 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. k epf/s;alv7en6,lb microscope refers to the ability to

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
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 douqs.(ngv p -ho.i.;by yrw(284 dx ocqndum+- xbled, what happens to its resolving power assuming that all other factors rema4qr;x-b. hd nyducq+vw onxp (2i.8m(og- .ysin 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 point of 18 cm. W 3jq4xr6oxhp1 b02f8 1os ju,9etlbgo+m8 dpo hat lens (in diopters) will allow this person to see distant objfp e jxhp2lro1 931qo4+8bbx,8smodj0u6 ogtects 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 mou0vy jxfd29kli;y/lqhcj5 s-2*h1h g/ r*pzyre than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in frontjzyk h9l*pd y-ycjh;xlf/0hv s/ *ug5rq 22i1 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 l (yss-5nf fqo(enses have power of -0.15 D. What is th5ff-osn s ((qye 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 farsightedness w 98fu8 kpd. sz4a+btawhere the uncorrected near point is 75 f+4tuszpa8 .da9 wbk8 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. p v1r*tia6.cqqts 9n reading glasses close to her eyes, and with them she can comfortably read a newspaper 1.ct *part.9sq iq v6nat 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 his eyes, iftr27 b;j2jvj.vp2p.weym )mz he wears gla2t .rzv2. vmjmb 2 jy)pwjep7;sses 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. v-obs0x8dd4iju d8z/ A person has a near point of 25 cm. What is the magnification of the lens f so0vd d88z-dju xb/4ior that person when their 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 focal length of 10i p. (n*0axaym cm. A person has a near point of 25 cm. What is the magnification of the lens fany.p*ma (xi0 or 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 lf/28qz) ehq6qq +gek+s cs6c a focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed eygcz2 s+fqq6 e ckq+e/6ls )h8qe?

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 magnify6jg 7w1np5 ovhj,./2e gd ziyring glass. What is the m1n5de7jjro ihg /. g,v6zywp 2aximum 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 focal length 5.0 cm as a magnifyin+s6i;f8v xh ot3g7yu9egh5jqg glass. What is the magnificat67ysevt5uqg of8 g;hx9ji3+hion 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 focm(f9xvx rq/l4 4no61ccl, evyal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you wery9f4oc x l/lv(61eq,nmx4c vre to use any two of these lenses 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 cm. lq b7 hh8pnyi,d-zet6ap5 32x If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximxla pb6den2p-z it h ,7yh85q3um 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 focuw)-m bqi7/: e1xlrvn al length of 200 cm and its eyepiece has a focal ler:mbx/i w ev qul)-71nngth 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 magnificatiomk 6zr j-ez4(s60eae7ji)ixj n of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengthmisaj6k (4 jez xj7ie6-r)ez0 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 /qj b 9ydol-b. rxndptxy(557a magnification of 10. If the telescope has a converging lens of focal 55 p nolb/7dbxqtdyx. -j(9yrlength 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 toly opf5wwl(ga e -,/omout-5i -b .vp5 a length of 20 cm, what is the approximate focal length of t-y-u/oopw m5plb,wotl- vg ie.a5 f(5he 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 focaq)dp9,cyxo/y4 oa4 jll length 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 obj,9jo)qcpl yy x/4oa 4dective. 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 focaopau5p 4fi)e+ l length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood e i+op54)fapu sample is placed 1.5 mm from the objective. What is the overall 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
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 m0azc6vb*5nl c m and an eyepiece of focal length 6.00 cm. Ifcc0a65* zbnvl 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 objective with a focal lengthx iln3i i ;x;;pa8qur*wcsl6r;p*g2b of 8.0 mm. 6l;;;;gi xrqbi* wcxi82p 3an upsr*l What is the focal length of the eyepiece to give a total magnification of 240?

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
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 a,iz *)g6ofpxl 4zcvl:ngular 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 two stav z,ploi4cz6g:) fxl*rs?

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 designed to resolve objects which are 0z v hgpm;ey9, opc89h8.010 mm apart. If the focal le9hvmp o,98c y;geh 8zpngth 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 b:4:f9zbaxn( 3ef ntm to 1.5 mm as the illumination is increased.4ntnexb :9:m ffb3 a(z 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 Space Telescope has been placed into Earth orbit by f ;mv -wqseah- u*k343vsba1q .8 dpavthe space shuttle. What angular resolution co4fq; sva3w 1 a3pa- *-bequdvv khms.8uld 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 12:26 , Processed in 0.294581 second(s), 132 queries , Redis On.