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
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.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://51fly.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: physics  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 camer7yvuj5m(m rr 0a is determinedm0yr7r( uvj5m 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 87arrw-;4vaeah j5t b4 j:vtfa camera is determined by the

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，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
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 mawpzz+ p- pem(:y be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this mpwp-zz:ep +( 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 tv-+ lgu kh* qa)a.51rrjbt2o khe film with a field of view that corresponds approximately to that of normakar+ub-rkojq1g 2a l*5).h vtl 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 aqqxal;+9j l.e bi-f0 hcts like a telescope to magnify images is referred 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 covers the film with a wider field of view thanmiw ls/z6y q-+d*6zf igk n.1s that of the es qw6dl.mfng+zysi-z /6*k 1iye 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 thexf26 t*d 5wbq*gfoiq+ human eye?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，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
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 occurs/(m+kl 4(yffqnjv ug:wsv +g7yyf) :k 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 iffe7;(yv 5j jbs

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 see objeczrs8n:: z rnec x,*4kats 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 pers.hr7jk 0o+oe) o:0 3 sfserprcon is likely to suff3:kr scseohoer fo0p.7 0r+j)er 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 correcf41opa w,p185 taerncted 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, k,p7,fnq z *lvh*wzow;e)z 0 wthis gives rise to a vision defect that can be corr7* 0,ew k lf*zw z,h;vzq)onwpected 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, th++h.dbbg kle(e person is likely to suffer f+b(ke l.ghd b+rom

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 coll:t6qnct cg8lo5 (p u8s98k( mfjr g)5oin /wrrected 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 fro)rt7 2b t,p f6qzd5skvo) h4dh:n jhn7nt to back, this gives rise to a vision j6)ks 5q h tornb)zp7d ,:ntd4v 2h7hfdefect 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 magnify2z6tcy6 rlm)l4 mv3uoxddu37 ing 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 astronomib(5aw bnp g .,sh3yewr )ga*6zcal teg (bws,yeab 6w.*p ) zag5nhr3lescope 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 bybhy2:qx/ +idi a refracting telescope. Suppose an opaque screen is placed in front of the lower half ofdhq+:iy /i bx2 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 throu/ 3v.oeh)dos7 2q)cinnd* x emghout 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 tniqd2ev /h))s ndoxm o.37ce*he 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 magnv-i 3n6*txizok/yyt3 ification $m$. 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 +if+ jxm msl(/to be able to see the greatest detail when using a micross /l+imjf+m( xcope?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，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
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf(2wcx2m d efhhm6765aga0 jjqt f;9mn fer 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 frooy hh565x1whwgy*rpi1flc 4hh* j0s 9m

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 mg/fcisaiws4 .r 4im2,icroscope 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, what happens to its resolving popc/y bcfq1 :y/wer assuming that all other /:/f1y bcycqp 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 poi esy n,/9: v2eeozaoq3nt of 18 cm. What lens (in diopters) will allow eeq, s:9v3za e2 on/yothis 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 objects more than 70.0 cm away. Whatpz5s:a8ajf 5lsh(8ly 1 0xm2lii; inu power of lens should be prescribed if the glass is to be w:pl0(8z;jhiuxa lis8 5 y snf25 lm1iaorn 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 wh4oiv(m; zc y5eose lenses have power of -0.15 D. What is the person's far point if the gla(oivmy4ce 5z ;sses 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 9 onvpqar+0/v near point is 75 a0n/vp ovrq 9+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 reading gm vno0-io0g bn /i/a1pbkwof s*2; -yflasses close to her eyes, and with them she cf1o 0f; gp*b / n/mwias-bon2kyv0o-ian 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 hi5pibeu(edpj tl6;*0ks eyes, if he wears glasskb e(pld5p ;jut*e06 ies of
+3.33 diopters. What is this person's near point?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，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
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has lhr fhrp96-u*vb m8htm-l 9)sa focal length of 10 cm. A person has a near point of 25 cm. Whal98r-b)v ml-hp9f 6hhurtm*s t is the magnification of the 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 ha n2*: hra;dw7z2zhaxs s a near point of 25 cm. What a ; rdx s2:znhzhwa27*is the magnification of the lens for 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 a focal length of 7.0 cm. n;q7l ,.k +avpz1odnh What is the magnification if the image is viewed bq,nknvp+1.7 a;do hzl y 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 convergiwkm 92x6ssb(bng lens of focal length 5.0 cm as a magnifying glass. What x(sskmw2b 69bis 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 -id 7)vr/ct kr-.ysox5.0 cm as a magnifying glass. What is the magnification if the p.kdo-c xtsr- v/)7 yrierson'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 focal len*t hq9)ibt6kk z; 0xhegths 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 6ik)* kzetxtb;0h qh9magnification 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, z1i ia4wv7d(qrm y r82*o1me r8.0 cm, and 16 cm. If you were miz41i *m 82yw r1 o7qrraevd(to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telescope?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，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
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 hx38k9d5n0 q1orqv57msa r-vk 8jelacm and its eyepiece has a focal lenxql 0n75vojq dkkrha1va smr-8e 5983gth 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 magnification of 10. I qzp vo45dfosva0-m+5n 0 b,smf the telescope has a converging lens of focal 0oqbv5 p0movz-sd 4m ans f+,5length 50 cm, what is the focal length of the eyepiece?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，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
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. If8, ygwxrm(2 4k+2yqi id 1eztv the telescope has a converging lens of focal length 50 cm, what is the resulting length of the(2i rygzx8q1y,vm wte42k id+ 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 syva.s,d *zi1tj:-ny is limited to a length of 20 cm, what is the approximate focal *yjv,y-: 1z aitnss.dlength 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 obje a(dv/o:o0k+.m c- eqlfde 7xqctive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjustm 7dl /f eov(kqe+.x:-a 0cdqoed 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 objective lens of focal lq (s:t wfd3a1dength 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 d1fd(:qswt3 aobjective. 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 ahhox+50 5cg) pjmx bz3n objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the twogxzxo5 ) pj b30m5h+ch 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 ba a1 1c (r4; iakhuxfm9b-7)paxccotc .rrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnxa a; .1(u4pcr1x9)h -fcbocati7mck ification 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 constezi2)fp ;/ k(yv o/shuwllation 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 aperture (diameter) tele vk)of /(2yw /ui;szhpscope that can just resolve the two stars?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，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
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolq1ej:q:smpn- hx n9,f r1ui +gve objects which are 0.010 mm apart. If the fohx gm-jre +:,i9qn nf:uq s1p1cal length 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 zhqar, ob;uc6:/;hm,ch cc6 ux-1f:k t6irf cchanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum 6:u ;6ifcx/hc,r :haczfcour c,bh 61-t;mkq 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 Eart 1pz6dcq+zxao8 +scwgbp . k*(h orbit by the space shuttle. What angula6psw* ox(cdbk p.+ +8zqaz1gc r resolution could this telescope achieve if 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

    试卷内容到此结束!   © 2025 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, 2025-9-19 14:33 , Processed in 0.291373 second(s), 146 queries , Redis On.