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 opr96 mq.u7 +xg ,z g*zaj5 hehpw14fhlgen and the film is exposed in a camera is de, p7h m9gu+ g jxzzgl 1waf6h5qh*r4.etermined 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 determ;irctrqi *b;2ined 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 bytvcb 5np d65m; sliding the lens forward or backward with respect to the camera housing. If, with suchcd5 nmpvbt5;6 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 thdm oyggt/x+wx+8m3 lpc;* v7a e film with a field of view that corresponds approximately to that of normal vision is referrexgtov*m /g m7 3p++acwld8x y;d 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 referrrlb1 6:rz0dtah-+o 1jcg q t)yed 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 ck,wm*dd8xb*:b0 wi 5k gko6edovers the film with a wider field of view than that of the eyeb b8k5 i0kg*od,mdx*w6 :d wek and through 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 camera different from fw):aup23 x+xg w,g rgthe 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 oxaf8 4bw wi94dccurs 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 i 3 jrrn9xvs2sk7+5iat s

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 etlqr*z i, .l3wbs9wd5h*e4or ye 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 back, the person is likely tok*w sfkwx) 7*r7rw 3en suffer xk nrf rww7kw es37)**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
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be correci r(+948un po du1if* l6ynyivted 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 backi-m-jwowk ;3l, this gives rise to a vision defect tha lko j--3mwiw;t 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, mvy0 1/bb 1neathe person is likely to suf b1bea/0vmyn1 fer 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 correctema0 d:7oywsf1,c+b-nir 0sh+p9vcxu o9w bn,d 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 fronsjy8xxxouf q b4y3k ,qr9 pg*k+l79/m front to back, this gives rise to a vision defect that can b+pxjb3yn fq8xkg7s 4rxo99kl , u*/q ye 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 magnifying glj rtg*jyq *2zno1md ,.ass?

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 usin-s 3go0o3 c :m -w/pbgahhgk1hg a very large diameter objective in an astronomical telescope 0 31:- h bogph-cgh3 aw/mgksois

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 t0es9+ (jx l9fyunnh;; w w9 y1jpqv0etelescope. Suppose an opaque screen is placed in front of the snp 9twe;v9+ ;j1w( x h0el9nj yq0uyflower 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 uniform sensitivity tbp.fs4 uempgw -2z-k2hroughout the visible spectrum, in 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.2w2p-4s bfezkg-mp. u)

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 magnification fo8m lvx)bhy/75 nfw5$m$. 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 greate *f:jsm2s tz5ust detail when usinuj ft:s2m*s5zg a microscope?

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 suffer fjl,;caoeuq.4 2 l 8ol(o 2x2dyz6i8 hvuypod3rom

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 su2x4bs wyzx5d-f88exd 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 ab9h98vnhs f;hkf l -ii-ility 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 its resolv9y jms,)sa1ge3s 9tvuing power assuming that all other factors ru)9 vgsjyem1t9ss, 3aemain 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. What lens9-i /k j:nfpsw (in diopters) will allow this person to see distant objects clear :-kfjw p/in9sly?

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 clegxbx5-o w/y4rtdk(-0: npeme arly objects more than 70.0 cm away. What power of lens should be prescribed if the glass e- mt o g(:d0/rkxyx5new4pb- 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 power of -0.15 D. What d qhjm c.ihj8b6.b/sbk0t7) wis the person's far psbj6/hb7 km w80.hjctq )i db.oint if the glasses are very close to the eyes?

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
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 far jmdb * 7za1:( f+b7dji.f niidv*pv2- wtsp2psightedness where the uncorrected ne1bbjad *viw7-dsd.p:tv npf(2fm + z ij*72p iar point is 75 cm?

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
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 c2bi1+nrn ds wab5 o4.im. She places reading glasses close to her 4 n12w.in b5bsodai+ reyes, and with them she can comfortably read a newspaper at 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, if dhr)bg5y)4c 3vx8trd he wears glassevd 3yd )5)8cb4rxh tgrs 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 o w*m6tba9dov(pu )0c df 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their b6)vc w*p(ut09 ad dmoeyes 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 has a near jgoaz2ud8, rh7 -nj5i point of 25 cm. What is the magnification of the lens for that person when their eyes ano,d8u- j7hi 52grzjare 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)1c ct 3ohikpinv f6aog)iu1 -s .s1/l of 7.0 cm. What is the magnification if the image is vopci u1ih1v/)a kg co 3st6ln )s.-i1fiewed by a 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 length 5.0 cm qg o5cilwgz))/5ib0was a magnifying glass. What is the maxq/5 w )g cgow5ilz)bi0imum 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 foca: o p-7dnwr, jhh9 w5-jhbsge:l length 5.0 cm as a magnifying glass. What is the magnification ifwro hb n-:7jdp,hh:5ew 9-sgj the person'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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 /s4x4bp :yq(+ hzyzsg cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum mag:qbsg hsp xzy/(yz44+ nification you could achieve?

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
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengtjs8ihm3 f* vo:hs 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 separati8* mj:ih3vosf on 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 telesco3)o/ e3;*yxt gk malocpe has a focal length of 200 cm and its eyepiece has a focal lx )cg/to ykm* 3o3;elaength 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 as)hc. 9orgzlp 5x9t u7atronomical telescope with a magnification of 10. If the telescope has a conarzol. ) uxp75t hcg99verging 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 magnificatib++jad9g5l r qh9 aiax;93vg-l(w k oaon of 10. If the telescope has a converging lens of focal lengt5wb+dv+aqaal;(kggah l o9- r9i39xjh 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. Iff ub80u1ilwdex1l-i 3 the telescope is limited to a length of 20 cm, what is the approximat 8x01-bu lie3lidu 1wfe focal length 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
44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lr d 73cx :/wkzedzx.*cxa f5q4ens 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. Hoaqzfd.ce x7wczxd/ *k 5x4r3: w 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 eyepiece of flpl 2cr 3rzy( d13udq4ocal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5y43z cuqd(dr2lpl3 1r 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 7alawf24 q 1 n 2x3c6kje p*g*aiy;ygma focal length of 3.00 mm and an eyepiece oflfa3x pkaywaq* ycg n2g2*164m;7 i ej focal 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 barrel .cccnlzo 14:uqkos ()and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece tocc:z(c u.4)lo1sk noq 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 conwsmv12sh nm2ja/gd )nmtf; (1stellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest apertus1/(gn nmjthf1dm 2;)s2m vw are (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 wh x ktmuph):x.5ich are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light htku mp)x5 x.: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' *ari;tb02q jws eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor bari ;qtj* w02does 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 -d c/j.d:ti pu21rikbTelescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 5ii/1 jkpur -cbd.2: dt00 nm?

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
  • :
    •
    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 23:43 , Processed in 0.288886 second(s), 135 queries , Redis On.