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 thle:+w hdb44pi 4h9vt qe shutter is open and the film is exposed in a camera is determine4dp 4+4v hite:hlbqw9 d 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 determined m nxr877 qk vcoln-n9s 4y-5gnby 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-fi:x*qfhk j,*oe(roa, p lm distance may be varied by sliding thea o*,,jf*oe:krh x(q p lens 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 view that corresponds app*fbnd6:a tx4 qroximately to that of normal vision is refedf:tbq*x6n 4arred 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 telesc0sibdpz(7e1gb hh 9,yope to magnify images 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
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 vi9+gb u uh(ol8yew than that of the eye and through which objects appear smaller is ref(+yog9u h lbu8erred 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 diffe3b nexk;2lez t9;zwx5rent 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 eye :vyl h-- qb tv4k6nnw 8aa8w+moccurs at 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
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an eye canh.. i*kvc/f x gzp)a:wqz(l+s 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 whicck,d kwk65voksu*m2(9aww (0ibd 71l rf ph4e h an eye can see objects clearly is

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
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 barx4t :.ynk u)gck, the person is likely to sufferx yt4gnk:.ur) 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 b z yb3ep 0r2mx*. tw*iyq oexp9+18qt..i asjue 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 gives rise to a visio1v yzatjq /2h2st3e.7 fov no2n defect thavz o 21v2/jt nso.efyq at72h3t 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, the peb) h8k.mib(m-tdchocq 4m n).rson is likely to s)-o4 .htnmm.q cic)( b8mbhdkuffer 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
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usua 4t zq fcw)6vcelgx*v.321ozilly be corrected 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, 61b*9 af krpvu57jfllife6m8 s wsx:4this gives rise to a vision defect that can beeaf fw8mb u9:5ls i4l 7r1pj6s6vx*fk 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 is5hr+ kw 1pbr5s 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 very large diameter hv h0bfflof d/hep e6( 5q)p3,objective in an astronomical telescofeqo(v6dh f0e/,plf 5h hb )3ppe 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. Suppose an opaque scr f9 drze;lk 0,titz 2u:un3,z6 o6ihsbeen is placed in front of the lower half of the ,f2itrsb h69uz,; o0z elt nz du3k:i6objective lens. What effect will this have?

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
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 spectrum, ksg( uy5woz .2 zz.jr3in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective len(5sky 2rzuzw3 . ogj.zs 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 magnifics+a*ifw7w mtlwk(o. (ation $m$. 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 greatest detail fp4roqmlhxy2u foou y5-+5* ;20yqulwhen using a m+0quoop5f lx2yml- 4 ho;2ruyq u*f5yicroscope?

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
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeb(cq3m s3mwjnm8/3hvj57x t b8gcyt/r 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 f *-7sd*hp) pz*hi8imqz/x ecs jv, h(arom

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 nkg5q. 14yhwtm+ /uonrhsgh tw ( 7s.p4r,lz1 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, whp7vzedt:5vkpz1 el *am6xh06at happens to its resolving power assuming that all o*:a0e lk7e16pp6m v5thzzx dv ther factors 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 point of 18 cm. Whatukxwhoa wvq7 59 vuqu+a.-9a 1 lens (in diopters) will allow this person to see+5-wv 9aaoh7u9q qxu1vk.uaw 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 ;1g1,6ob80 *im xxbvzmqyx pd clearly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front ofdoxqvy8 bm*ixp,z 0 1;gm6b1x 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 lenses have power of -0.15 D. Whal(j/o xk gcv037 vy ,u*)guzxqt is the person'v)x lc/ j*y(z7kqo g,u0u v3xgs 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 where the uncorrected ug:u(z t ns6r8near tgr zuu8sn:(6point 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 rea0w0.(8 oh ;6v jmen- fzjkeutading glasses close to her eyes, and with them s8au;f0mze . j0 ewn6(ot v-jkhhe can comfortably read a newspaper at a distance of 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 read a newspaper hel;e,tv,ep,dl ; m hyz jg+65ymwd 25 cm from his eyes, if he wears glassez,e m;,,d+wm6 yythepj glv;5s 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 10fjb8j;bd4p 7(49k xx2wshq* w6w djxl cm. A person has a near point of 25 cm. What is the magnification of the lens for that pers xbb lxqfxjw;4*7wpd 6sj82 dj(w4k9hon 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 10 cm. A pers3,rjmlk760 bdkzko.o a3f lw 7on has a near point of 25 cm. What is th6 3lako.mj0rk,7wzlf7 bkd 3 oe 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 of 7.0 cm. What is the magnificatior0ib(c, m+;/p-mq ikg. vkfl r(uv i,mn if the image is viewed by a r ,gbrf,- /c;kiik0(mp(lq im vmv.u+r elaxed 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 fo u g(+qavh5ce6cal length 5.0 cm as a magnifying glass. What is the maximum possible magnification?cq 5+eav(hg6u

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 csgdx6c f+tlbuzi -os2e6+o) 7pm/ .uwm as a magnifying glass. What is the magnification if the person's eye i-g uo b. +2udes+cmwoz6s7) fxpl/i6ts 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, 4.0 cm, 8.g5nd9 kf :o4e4tjmcl70 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnificatf7 d neolt:5g494kjm cion 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 leng vgta4s ./dw f4rc (llsjsg3*i8t8hy+ths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any y* a8sd(3. /ifgtwj8rhs 4llstgc+ 4vtwo of these lenses to build a telescope, what is the lens separation for the maximum magnification 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
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 pbumm1d.:(wccm and its eyepiece has acu:.( mpwbm d1 focal 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 a8s -l*dx an.ggstronomical telescope with a magnification of 10. If the telescope has a conver *l-ag.dgn x8sging 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 10. If9id*dtoixwl n :2inp6a1 +8s 3wew-e v the telescope has a converging lens of focal lenwa-wiwe 169* ive+n:p2xdd3solt8i n gth 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 thp pei46g21z7klq q4(9aorhdopu rz): tt /;hje telescope is limited to a length of 20 cm, what is the a4 /7a9) zh62qotr; pd gtpo:jqkep1z( l4hriu pproximate 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 focal length 1.4 mm and an eyl(mna/dp 9ubprz0p:9epiece of focal length 20 mm, adj90pun 9m (pablp/: zdrusted for minimum eyestrain. A blood 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 )bx ar -+zb *0jjh0irion,c4aobjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample *-r0+ro0ji ,) hbnibxa4c za jis 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 ms 5-m,1umo15r.qe ,xq,v xv -auewmbfocal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, w,1ao,exq,u xq1-ms m5m5 urv-bm ew.vhat 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*sn zt r+m6 nqd4l99uj-cm barrel and an objective with a focal length of 8.0 mm. What is the focal len z*qrn+9tu s4ml6j9 ndgth of the 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 td)yob8( xhv .whe constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system8boy.xd (w) vh is 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 des jv,c7vae- g7aigned to resolve 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 nm, what is the g,jeva7a- vc7 diameter of the objective?

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
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 fro7bij c-xc 9n:d;tpq nwblw83 s4*4 segm a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mini89 3*- t:cjbqid7 wcbepn ; sg44nswlxmum 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 bq;)km px p;jav)v; 7y)ev*mnorbit by the space shuttle. What angular resolution couqmnp 7v *ekvvj) p;)a)x bym;;ld 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 20:19 , Processed in 0.463870 second(s), 132 queries , Redis On.