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 exposbtah.f-.o)1pqxy9i yed in a camera is determined by t .-1h oi9pf q.ybt)ayxhe

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 caok)z7lg i* ) 0iud*asbmera 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 mays di6ar(or ,xtat90,h be varied by sliding the lens forward or backward with respect to the camera housing.,t ax,t ( 69siordha0r 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 covers the film with a field of view that corresponds adn+w*7sa33sml ohn/f pproximate3h+7mona lwsd3 nsf /*ly to 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 to8e; vm1o qyy:tr qm/q1x2vh-y 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 1x9sarn-zdm /z z9 1tuc 4chi3than that of the eye and through which objects appear smtiadc13hn c9rz9z1sz- m4/x ualler 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 camera diffe8k-5h uew4xi d8e ;uefrent 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 lidqyua :1 0qte9ght 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 se:,r q 2m zqs)pm/:c-,rlhjmdp e 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 at which an mlsiq fa 4akkepw- 66f4 h/9pv-:qly9eye 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 ix128n;ivke*xr4f( pb m:llcq s too long from front to back, the person is likely to sufixlkfrqc 2*; n41x(p: m8e vlbfer 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 us jmj5c)a ./c dahmg6.-c(ld elually be corrected 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 frod9s+*lgk np;nnt to back, this gives rise to a vision defect that can be correct*d;+gnn ps 9kled 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 a, b3) g hn6dwew7og,al6 (lkcback, the person is likely to s (el )o7w,b36ahn gka dclw6,guffer 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 correctlq1pf zy4 pr)y7tf c)-ed 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 frontpm55 1pmbxe upw ut0;*c36fr xvio-.g to back, this gives rise to a vision defect that c6.pfb-vp ug m05ocpr xx u3wim;e51*tan 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 magnifying glass? ew suia4mas0q.)j8 0gym854u cxtxe 6

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 u/ gq dyw ec(j3u.87-sujjwy0o sing a very large diameter objective in an astronomical (.3gdy j cq -e/joywu7 sw0ju8telescope 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 an opaque screenjo:likt40thia zs 1)zyg , 6t4 is placed in front of the lower half otya6o1hzkgi zlt:)4 j4s,t0 i f the objective lens. What effect will this have?

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 ha/: pvk6jvxak6 s uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between kkjvvx6p :/ 6atwo 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 magnificationk f7oic81 v,mg vz7* z0cqle3p $m$. 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) rq:uo;n :pvi able to see the greatest detail when using a microscri;vq):uno :p ope?

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 sufg pyq1t:f;qf;( jx+mkqcx( v/ 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 fro 8zpir +c49/brd0dubom

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 micrxc3zw -a 1l5vvvx5s;coscope 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 y( tg)/n7d6xi(mhcvu to its resolving power assuming that all other cu7(/6 y)(h mitdgnx vfactors 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 1q-oh5i ,ap u/b8 cm. What lens (in diopters) will allow this person to see - q, pbo/5ahuidistant 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. What p4hao85j l *6zydpg8toower of lens should be prescrib45la8doo6t z phgj 8*yed 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 vumgmc+4o jh0s w 2hkb7ji*m/-9q1jb wears glasses whose lenses have power of -0.15 D. What is the person's 7m4co-qumj ghj 9+k 0 1/vji2hbswm* bfar 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 nc lldmr(;.f6 needed to correct for farsightedness where the uncorrected nemfn lrl(; .6cdar point 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. Sc*wf-lw) ly :fhe places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a diw)yf-w*l c lf:stance of 25 cm. What lens power is required?

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
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can read apm4 oqpp 7/d)h newspaper held 25 cm from his eyes, if he wears glasses op/ d pm4h)p7qof
+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 leub+x,n dk :k ;*ew/oi(vj6yiungth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that wu:b x+idvn(/, *jekuo;k6i yperson 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 habj 8u1 (d3izn4csd/i jg . .7ig+ylobdpi9n8h s a near point of 25 cm. What is the magnification of the lens for that person wh9lnbduj3i8(b .hgc1 iyo zin8+i .sdpd7 4/jgen their eyes are focused at their 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
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.uqqh-4hpl .z g o074jq0 cm. What is the magnification if the image is viewed by a relaxep q4qj0 qgz7-luho. h4d 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 r ku0ev l .kvh9i6hu5(cyh4h4(ax vt,cm as a magnifying glass. What is the maximum possible magnificatio6vhh 4y0ce(vv5u,9t i4kxkr(.h h la un?

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 conve1q:ovsx .i4r pblznh 80 9dx0vrging lens of focal length 5.0 cm as a magnifying glass. What is the mags ixon 0xq0 14:dvp9brvz.h l8nification if 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 uxf h*h7ji)o*j4g+el 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these+*hofhjg7*)l jix u e4 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 leu00ssmg ow,n) v8i 5hcj wm*a-nses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lmj0cu)ssw-h oi85gmw*vna , 0enses to build a telescope, 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 telxu(2at v y*wyf+61.moaflmu 9 w8 3pimescope has a focal length of 200 cm and its eyepiece has a focal lengm+xaf3(8y1m9 au pwy.6fi2luo m*w vtth 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 astronom10-vyjzn ,; )qflwcar(u( mceical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lj;u,cz(rwm v-) yc01(al enfqength of the eyepiece?

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
42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical tel8rln:su;d9 :r me 9ykg* sfyu8escope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is th8r fne9;yy:uu*d :ls 8gm rks9e 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/ke 8q7.cks/jcba z5 u the telescope is limited to a length of 20 cm, what is the approximate focal leng7/aj/c z8e5.cqu kbs kth 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 focal length 1.4 mm and an eyepiece 0nyc(bx f(f-d ydagc 81cog9t4;tt 2v of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is place t1 b(gdgc fyc d-ot9ynt8(;c42 0vxafd 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 an eyepiece of fo2k:dx so1m ob-cal length 20 mm, adjusted for minimum eyestrain. A blooo-1x bds :km2od 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 f9 tixaij0;4hk 5bqy.k ocal length of 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 magnifi ij0ab9hiq;. k4tx y5kcation?

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 and an objective with a focal lengtau- ,23u7-max dd-o 7owe iabeh of 8.0 mm. What is the focal length of the eyepiecee mo7wu---iaebd7 ,xad2u a3o 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 hasq f4r1:gj e;ffs2n3rj an angular separation of 10-5 rad. If the wa;1r3sjgj4en2qr ff :fvelength of the 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 designed to resolv y 8dqt*l8cro-e objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm y8q 8cdo*-ltr 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 changel1yac;7qd(tcm60c l1ut k7 cks from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resol m 1 1y cd7ktlu67katqc;(0cclution 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 0,jre j8h wrde:qtq+l*m(y 1 ,vjd7oxbeen placed into Earth orbit by the space ,xo rq(d 7+0*ejvj w: dj8rq,heyt1m lshuttle. 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|手机版视频|手机版试卷|使用帮助|51fly国际课程 (https://51fly.win)

    GMT+8, 2026-9-7 20:23 , Processed in 0.712829 second(s), 132 queries , Redis On.