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 in a camera is d7d-9q/k9yawom:2 y/ f.si* cmjcsyczetermined by tj msc2d/:iaf*o.z99w / -cyyskq 7myche

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 x/cxr lf)a+2ddetermined 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 the lens-film distance may be varied by slprnjdcu k8 4+ 5(cr3qnr/7v 4cpo kd0hiding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means th qupkjkcvc r4( d7+ 3n/opr0r5ncdh48at

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 the6 3qr gfhtmg5.98u h -dc0v cssj.ncg; film with a field of view that corresponds approximately t crs g5chgd;jgu 9s .c3ft6 mq8.hv0-no that 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 like a telescope to magnify images is referred to as afdwb,7 ww6,yz )6o0zb eajh(n

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 m 4myfg:psjg;n vyih:e2es)9n(b-, j wider field of view than that of the ep gmg e s;,syn:eb:ny9) vm jf2(4i-hjye and through 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 camvuq7k 3qc 3i1bera 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 refractio+6 *x8q ormjjsn of light by 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 an eye can see objects clearly isq bj5co2st*1lty4, *dth4a8-kktyx x

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
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at whic +)rd(gqqoo5g h an eye 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 long from front to back, the o) 6de l1c-wfaperson is likely to sufff6 d )ce-aw1loer 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 corrf, s: ghvjt8;n ;xmga;ected with

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, tho :c ,pug(uo/uyj:* u9baq q6qis gives rise to a vision u qb9j (u/u::ugqoqyaoc6,p * defect that 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 person is li0ik4mn7bob*h7i; r vz q*zv5 qkely to suffqb7moh 4rvz k; *q 7zbniv5*i0er 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 corrected wit t95pyqy 9zq7lh

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 g1s;fy h:o .zkqvan 5f/ives rise to a vision defecsy v. nf/5ao kq;:zfh1t that 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 magnifyzob9 ljxhci 5p3 4jf xz48b-3cing 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 objective in an astronomi.:2pc; d u tqm,uv)3i:jge/,r ,s +uhacuydlqcal telyh: rp,m;qajc ,,d.vuei2 u3us:g+)ductq l/escope 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 ang*j m3x0ko, ,un,28wj9fo x s jkmzhf8 opaque screen is placed in front of the lower half of the objective lens. What effect will this hanjjouxo sh,kfm8z2k803jw f,,* x g9mve?

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 t gl )+ukh)4jqbhe visible spectrum, in which of the following ub)+j4hl)q gkcases 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 mab ;;rm+cylg45hih x p1 -sgof6gnification $m$. 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 yl ha53y )y+j:qldu 4hkou expect to be able to see the greatest detail whej4ldq:u 5)lyhh y+a3kn using 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 +t ;eo nir,y5 iq11fazfrom

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 sucze yifyl+1/b w:+aml2 a: yh-ffer 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 the ability d7h dp1m rhq h-m-l)v;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, w4ey :4duvvh / kd.fera3 :,hfshat happens to its resolving power auvf:4dhe,4skfd 3evy/ :. arhssuming that all other factors remain unchanged? Its resolving power

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
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 lensmgrwdkme+i6:361cn d 22exf l (in diopters) will allor3 :lcde6n1x+2mdgi m 62fwekw this person 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 obrlci4* kyz/ 9+q/zqz gjects more than 70.0 cm away. What power of lens should be prescribed if the glass rg/*+49z qy czqiz/lk is to be worn 1.00 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 whose lenses have pml rnml55l-j( w+s4 enower of -0.15 D. What is the person's far point if the glasses are very clos-4rm lsm wel j5+(l5nne 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 farsightednesyb1g6zibq2nf7 n q( .bs where the uncorrected near point is 75 cm.nznb67bq bfy1( ig2 q?

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 readingal qb5or8q mf1mj /7-v glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Whfo7r m 8q/-qjbmalv15 at 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 xot2p,.ygy vry3ba18e.e.qb2x 5edictm 4 t /cm from his eyes, if he wears glassest 482/ea,y.o c.ebmxq2r dy1gti53.b vtyxpe of
+3.33 diopters. What is this person's 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
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a )mdhkb.5jg /3owm5 mzfocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of mob5) zwg.3j/d hm5kmthe lens for 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 10 cm. A person haso:2cq/ 5)6er qjkg uba a near point of 25 cm. What is the magnification of the lens for that person when theirbcj 2 rqa5 o:qk)g/6ue 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 magnifickgqyg0w lclk 5t:*3 /bation if the image is view5 k*kqg0wb /3:gy cltled by a relaxed 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 lengve :l4. uozo q2hjz34bth 5.0 cm as a magnifying glass. What 4 o4.uoeh:z j2q zbvl3is the maximum 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 magnifying glasf;l9 c9rh3nnn s. What is the magnification if the person's eye i9r 9hn3n fnc;ls 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 leneq3/gp39w t 5-uv cqvbses 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 95 v- cg3p/qeuwbqvt3 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; +7 nxc;apeqlkpb7p)o3) kzr .0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a tkzx +qoapp l 7krb))3pn7;ce;elescope, what is the 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 focal length of 200 cm and its eyepiece has8.bsh/z1z edh a focal l8s. bhzz d1he/ength 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 magnt4 k0+6c2vv zt)su lknmpd1a8ification of 10. If the telzt10v)uas + p6cmvl2ktd k 84nescope has a converging 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 10xbz fy3tjct1maacjc;) a/c -6j dv.h :+y:a:c. If the telescope has a convergv b+ jc 6z:axt-;:ta /accymyaf).1 cdj3c:hjing 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 10serq fon*:n/.2xv.xtw344py cb bjh3 X telescope. If the telescope is limited to a length of 20 cm, what is p 3vx x:t w4sro..n*b ny4ecbhj q/2f3the approximate 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 h cw9 qnarw+k:;kw1(iobjective lens of focal 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 objective. How far apart ar: h iq+9(kar1wkc;nwwe 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 eyepir*3s:ts z5vppt + p;: rfefbh/ece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fpfrsbp :v+5/s3 ;zer:* htp tfrom 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 length of 3.00 mm and hn1xch;rrm,/ an eyepiece of focal length 6.00 cm. If rr/m;hc 1xnh ,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-cmqykm9:r3oxm(k s 9b 7t barrel and an objective with a focal length of 8.0 :7 ymst3 9kxo 9rmbk(qmm. What is the focal length 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 the constellation Orion has an angular separation ouw5apu88x.s v f 10-5 rad. If the wavelength of the light from the systemxua 8vpuw 8.s5 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 designed to resolve objects wufbf.pd5 ga7:u o*fp o07izf2 hich are 0.010 mm apart. If the focal la upf gi ouf.0df577bo*z2 :pfength 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:    
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 changsn kzp0y8 op4/ bd;f72rqrn b9es from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum a2r sb;kp 0b noqdnf7/948z yrpngle 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 nyuc1csf l2x9: hz l8+orbit by the spacyn x +8s l9fzh1cl:u2ce 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 12:26 , Processed in 0.300327 second(s), 131 queries , Redis On.