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 filmj-i); wtjcelve pz1 +cp0qb 0r4 d)v)m is exposed in a camera is determined by pi- v1je jbt;qwzm v0+c l)cdr)4 p0e)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 dh5v3y8 n;c ryc4 kkbm*etermined 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 m:-y8 :de7hp td.g b f5 lg(hh4(3zd xsnccyj6zay be varied by sliding the lens forward or backward with respect to the camera hocbyj 6d:zft5 (h(.ed7:h3yh-z8xlp 4 g gnc dsusing. If, with such a camera, a fuzzy picture is obtained, this means that

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
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 vk 9a9gypmf l7ay,4d-bz;-x a i2clb (fiew that corresponds approximately to that of normalica 7fym,l; kl f-xbp92bz9-g(daa y4 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 tele(m m17o-h*dvgezqrvk1) sdv3u3q yy / scope 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 vie7epq+0r pn; qdw than that of the eye and through w p qr+qn;0de7phich objects appear smaller is referred to as a

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
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 diffe,dhg4fu wd8uswvlt +i*)9,97 nfn qerrent from the 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 by2a 4hnm9 s d(cl-lt*n.af,g pm 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 u;iw+sok k529a9um hk 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 a 0aks9 zbab qk8:j-k)lt which 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 fro 4 kbxh2i;u3ztnt to back, the person is likely to suf42tbkzxiu 3h;fer 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 correcte9* i( 7lm bt9l 4vbcj29oymgvgd 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,wou h-/ nxreagf9 4c)0 this gives rise to a vision defect that can 9/uw4 nfx) -aghrc 0oebe 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 f4d g,yq l-q)m:tcm+ xaront to back, the person is likely to suffer frytm,qd)lc4m:- gx + aqom

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
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be c-fgr lni6z1,vorrected with

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
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 rim5+ j/e2xr f(i.shqvuumx 2 w-ihdx /4se to a vision defect that can be corrected+ h5u /me4rxm/ .xf-iuw2i(jd sqx2vh 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 magd* jy.xo7wt 1n8vgs 8bnifying 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 diametergf:vrux4;-w1, blt9 cuhfxd3 zog*bz.s 56ib objective in an astronomical telescope if1g tg,z 3fcuxb.i wud5h-6x9rzbosv 4 ;lb*:s

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 r3 xfgk;nf p ,97nw/mecefracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What ef/9mx7w e n,f3;p gfcnkfect 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 throughout z- 7ko+raohl8/ ib aoe4gw++mthe visible spectrum, in which of the following cases would you be able to best distinguish between two cl+b+kew h/o7m8g+l oaai4ro - zosely 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 magnificatione *z3p ,0ez4uktsp3ow $m$. 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 exgam9uo -pet.val9va d5.:65lyxwwq7pect to be able to see the greatest detail when using a microscopetq.mv o 6pg.9-e97v5awwuaalx5l : yd ?

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 hxi5kic2q-k9wq(8k)sw bq2n 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 su* 2 bsbj /j;;f1pxnfu2;og agwffer 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 ofth 1ux 7c6lft8 oote;g)d iu96 a microscope 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 diss;nkpug ( j6ukh+sl s *z615kvh is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its v(1z*l uss ku5 gj6 h6knksp;+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 lens (inp tkk *zrgjwe3 (w8-o4 diopters) will allow this person to see distant objects cle*- (pekotjk 83rzw gw4arly?

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 clearl+r+0y oms:d(9n x 1d :mrpnl1x(c tnucy objects more than 70.0 cm away. What power of lens should be pr r( +nyldpuo1 91x:xd0: (rcmnn tm+scescribed if the glass 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 wearsoc xp a9kyh1h0, n6p,qvzt50g glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses ar0pxconag9 hh5 p6kz0, t1q ,vye 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 far 1rbl5h hcgur07oy(o3ce-ac -sightedness where the uncorrected near point is 75blochyo-chr7(ca3r 10 u-e g5 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 farsighjb vj))m6e8xlud oml71g q; l,ted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distanceeujml,jm v 7l x;bl1))68dqgo 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 he46vsoeigq w ,uhn -h,o9 yxl3;ld 25 cm from his eyes, if he wears glasshq4 es6l;9 uox ,,o g-ny3whives 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 lengthvxau5x -xhji,w hdajvsi;9b6y t3u(w qg,1(7 of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when thyb6swu -,x 9dxjxvut igi5jh7 a(3va;wh(1,qeir 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 hawf +bbth 8-e/ms a focal length of 10 cm. A person has a near point of 25 cm. What is the magwtb/mh f8-+ benification 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 aiqkwop*( 567(n : zy/y h4n9eloknacb focal length of 7.0 cm. What is the magnification if the image is v6n ak7qo4yi(*/ pc 5w:9nbekl ho(nyz iewed 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 foca43 v0k;ty5b u 5e;zn5*na0mibnuwdj wl length 5.0 cm as a magnifying glass. What is the maximum possible magnific0;;eykbnnz jaiuwu v50*355mn4b dwt ation?

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
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 f+pzgt5+lg1 f 5.0 cm as a magnifying glass. What is the magni+g fgp 51zl+tffication 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 f-5m cg8 nz2gm uq0lu5uocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lensesu8u2n 0gg5 cz-mm lu5q to build a telescope, what is the maximum magnification you could achieve?

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
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 ktj*6f7set9n* w5g q qcm, 8.0 cm, and 16 cm. If you were to use any two of these sw qn7kf59e*j6 ttg* qlenses 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 telem7jxc0m5i5* qf+(o5 mxij x nuscope has a focal length of 200 cm and its eyepiece has a focal lemnjm ju 5x(x +57mofici*0x5qngth 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 wia *+ p7votwdlbt9kpge(/:,0 i9t v cjoth a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal len/poo wt 7j c 0ag+vkvp(tbe it9*,9ld:gth 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 magnificatio 8 sv.xr 6st*(j7tc wf5xuz/gln of 10. If the telescope has a converging lens of focal length 50 cm, 6jg5txwxr7*. lsscut z/ vf8(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 telescopfi(2c zuvvke rn28o 2,o-u ei;e is limited to a length of 20 cm, what is t;ui2-z,e k2uv ocn iv( fr28eohe 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 objective lens of f2u6*xq g;0yvk*mb 4roy7h omy ocal 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 objeb hxqr gmo24;*v*70ykouym 6yctive. 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 len jxcg .ad/ /-ylxkuhrpb s:0-,gth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimka0-xl.rj//yxgb-su : ,hcd pum eyestrain. A blood sample is 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 8cki 7ga;fh4man objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses a4mihf8gk7;c a re separated by 40.0 cm, what is the total magnification?

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
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-cm bfs)aw7xa u-: yarrel and an objective with a focal length of 8.0 mm. What is the focal length of the e7af- s):awyx uyepiece 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 of 1xgen ei -g/) 3mobi9(ynzo55h8e6q wpug: :ck0-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can ju5oqkyim(gpuw98xin-3h6: ge o)n:b/eze5 g cst 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 i x*d4bv;gba h0*xi(k ds designed 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 diameter of the objdk* h4bv * 0gx;(bdaixective?

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 lhmzxsj0 hw:u478k4mw8 7 +sab7t c nyto 1.5 mm as the illumination is increased. By what8t7sj8 buwlmh4 h a0 7n7zwcx4sm:yk+ 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 Hub5 c) m(i98tb e6ievgj/ rxl*wzble Space Telescope has been placed into Earth orbit by the space shuttle. Wha9tlw (jz5/ie)6cg *8r xmi vbet angular 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 12:40 , Processed in 0.316899 second(s), 132 queries , Redis On.