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 andq13 /mp ug0smka ldk(; the film is exposed in a camera is de d13kqpm k(usm a0;lg/termined 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 sfz1y3spuy2)q h4 cf-in a camera is determined 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 slidingglv*q ofs bicu( /n4zii3r9k j2:5;tw the lens forward or backward with*nr2uf5;bovlw ( 9:iq iz4ctjig3s k/ 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 covers0rxx+kfj1 jg 3r iy;ie8q-c+ c the film with a field of view that corresponds approximately to that of normal vision i jrik0-+ecr jx ;if1q8c3yx g+s 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
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 mdg.a0f*r o l+27 gqidaagnify images 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
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 than thatindf3h jhxzx).;73vk of the eye and through which objects appear smaller is referred to as a x xk 7hh.z3di;fn)3vj

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 dif;hqu6 yeehgs,; 4z8 cgferent 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 ligh 90qolb:cu)l6asnxp 4 t 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 clearf4 1ci 6kad-lqly is

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
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 objectsgbu8 l gkc 9z0:+k* zecyc)ip9 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 v.,jxvu6.pe*x 8wtreperson is likely to suxvw,* t.xevup6r je 8.ffer 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 usuallyw 9u,dwuzbh:p9/ sjv4 6tzkl , be corrected 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
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is t5r2xe:v +ht xz5s-/:wkdtv vcoo long from front to back, this gives rise to a vision xe: ztctv-r 2x /sd v:v5wk5h+defect that can be corrected by using

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
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too sho2:.z oj0yjshld8nkn :e.hfo1rt from front to back, the person is likely to su d n:y:0sj.j hhz1lfeonk28.offer 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 usualaer+p: mszko -wy;wxh/o.p*. ly 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 fr-(q(be i9eupfrj t4g*y-hnczn * :j 3kom front to back, this gives rise to a vision defect that can be corre-y9(rk gzc( n pue3f e-*jb niq*4htj:cted 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 magnifyinmoen* - z.h;y8ghzk w 5kh49qtg glass?

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
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 astron,hck+. blof e+ge59gromical 5 k+r9l,g cf.o+ebeghtelescope 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 rmq587*kj xelcajqe8,efracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this qx5k,ljame7e*8c qj 8 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 sensiti mm9vyz/jk pntrb 0c,o +d9x*nqw ;x9-vity throughout 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 o/ jvcrk 0x*b; 9qx yotw-p,mm+9znd 9nbjective lens of the telescope used.)

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
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope has a magnifoedh+aol obv /j,+/zq-,5 hl vication $m$. 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 detail2y gcoxtu(0llqwwuw95;. 5 dl when using a microscope5u 2 .y( lwc;wl0gxtldo9u qw5?

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 sufferpw5om;.xn :v o 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 fro7kh*jnt bi e9l1 acw16m

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
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 ii50p)km98mvlj ) tggability 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 powsre 2h.: z;f+ o1yf ya;a:mesber assuming that all o+e1.yy ;aab:m ff;hzs e 2:rsother 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. e*t u5p 0nr9/ 2cwkp x3mil(6iapae) gk7 n3tsWhat lens (in diopters) will allow this person to see distant objects clearlyar5 )/(meu9sxpt2 k3iwt 06 nl*ap n7keci3 pg?

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 objectsx/ cq f2h.2rbr 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 b2/.2 cq xhrfrof 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 i)4 s kc+4*(kxuhtqdy ik hk)5xtn64zws the p64w q4 ckksxk+) x 4 ttizy5knd)hh(u*erson's 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 wherjx9y +cde/e )tqg 2shcz0;1 tc;ifx n-e the uncorrected near poc yn2/t ;e-x+ci xctf10q gs);hjdez9int 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 reading 2 2bobgs4egz w i11( a2rj*yrbyuw+4fglasses close to her eyes, and with them she can comfortably read souy1 +2b2ew(g b 2z4y*4ij grrabfw1a 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 hel-gf zey* .0th;2a(yo ;nwifntd 25 cm from his eyes, if he wears glasses o z0;o; f thtng*ief 2na.-yw(yf
+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 10 cm..-j5 y8twuq- cci jne9 A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinn wy .q9ue8ji tjc-c5-ity?

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 point of 259y ( c6tke1 ,r snu+tl2u+qkex cm. What is the magnification of the lens for that person when their eyes are focused at 2tue (u +nqxl16,9 srkkecy+ttheir 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 cl-k7*vg nf ir( m26sezd6(twthe magnification if thef l*(mciewg6z-dstk26vr(n 7 image is viewed by a relaxed 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
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focalfq+b-+ygyz 8dhk 1.d z length 5.0 cm as a magnifying glass. What is the qz ddy-+z.8+fkgb1h ymaximum 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 asfp: .z 75h;r/lojybr t a magnifying glass. What is the magnification if the person's 7r fr:;ozbh .yl5 j/pteye 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 lengths 2.0 cm, 4.0 cm, 8.*y (5i8 e47uw pynrw(hjfbx(r 0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescor7wihy8n e(( (j4pxb*5rufyw pe, 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 lensespof iou/k;1:z of focal lengths 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 ui: /1ookp;zflens 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 c7 gwsk.xpzl v/* /9pkkx/h a47,a zxphm and its eyepiece has a focal lensx/4kk*pp g7w ax. h9havzz//x pk7l,gth 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 magnificat i-z +gm1p0sdh8 olmm;ion of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiecim 0-dm lm hg;z+p1s8oe?

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. (8j rsnt8zf;w0*3 9q o*e:j xnlznciiIf the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopqtjfwn;ezj8i* l3r9* 0onc:isz8( xne?

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 teedkoug8 m5jm1z4s -g yz5 y0.blescope is limited to a length of 20 cm, what is the approximate focal length of the objm5 0j 8m yg.dzz 1ksybo5u4-geective?

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 ob) p4sutm(fnf4 p 9c,drjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum4cm9(rfut f nd),p4 sp 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 length 1.4 mm and al: y7 krbi o*fpcyhhr*t.2(d3k 3d s7rn eyepiece of focal length 20 mm, ad37h:hk7itblcdd** (yo rr k s3.2 rpyfjusted for minimum 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 an objective with a focal length 4cr6 -obky,c hu-a0qxof 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificat ch-rc ,ax064-byuko qion?

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 barreuhb-d6-hu5 f)fpyl3z q.w7w nl and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnifi np)y bqd-. 7wz6fhw53-fh luucation 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 sd-noi svt(k k.tysm33 s3qbhn6 ;:+mpeparation of 10-5 rad. If the wavelength of :mhi3ksb- 6o3 3+vy;pns mt.sk (d tqnthe light from the system 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 designe( q.d8ay+pm/y9ooebgd j4 ,wl d 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 55(opo dgj 4ladqb ye, mw./89+y0 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 changes o.0k 8rxo82utom6mtefa25p l v6t7x nfrom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor t0pxax.vtm6nr27u6of5tok828ml oe does the minimum angle of resolution change?

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
51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Spaceq3d ra 66gmva5t ekr8hv4o -k0hb2m 7v Telescope has been placed into Earth orbit by the space shuttle. Whaevk 2h 4a6h05 v83m-rg7q6vbtd amkort 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 0.311899 second(s), 132 queries , Redis On.