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 f c*qyeo+e b2h t+mo*t:ilm is exposed in a camera is determined by thec+oe:tte 2 *qbymh+o*

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 c9(zzcttn e-37lt9 ibq amera 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 disl yq5.a9.pco xtance may 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 means thc.o 9xpl qa.5yat

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 f g+u3k/cvum* z*af6s )hxk gm.ilm with a field of view that corresponds approximately to that of normal vision is refk sg c6+*haz3um) vf. /x*ugmkerred 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 mh,j/l kk:b892 ugawe eagnify 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 than that of t :;oxky/jjh n:1 afs,vd o6zg,he eye and through which objects appearf,,oyao; z 61jvh jg/:s dx:nk 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.m45.5 2c n0izclmp1 wf+ ptmw nm+eox camera different 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 by vn*;pz ,l) 4- s+poxylpvej) 3dik u5lthe 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 can2 kiy+gpg q 014p d7a8zffxnxbqh ,f1: see objects clearly 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 a,.phs su) kxnxq5.d1on 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 front to back, the person is likel q vy6kvapl08i*k+;u8y8lzjk y to suyylkzu pkj iva8q 6+08*l8v ;kffer 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 usuaxty 2xuj2r g/z2b3(uh lly 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 ivp;k8 c bd:8yzs too long from front to back, this gives rise to a vision defect that dp b8kv8 yz:c;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, the person is likgm u-.euz7c0f k(t9 soely to suffer fkczg. u oeu-0s9(f7 tmrom

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 corrected withg/.04o*r8t d zldxo qu

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 rise to a vij2d kzxdks,..uc; f f(sion defect that can be corrected by usinxufk;kfs 2dz( .dj,c.g

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
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a mw(yln8om p, 3tagnifying 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 largejf y52b8 lgqm5w,ayf 5 diameter objective in an astronomical tel55q f5yja,wf8 2mgbylescope 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 refra0/ x fel7*rjy)pggv 4ncting telescope. Suppose an opaque screen is placed in )gxlf g/v4 *yp0jne7 rfront of the lower 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 ipl/, ignwu)z*:kje 3 sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The /e)j*,n zgi: uwkp3 illens 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 telescov i4um-u+2 ocgpe has a magnification $m$. 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 to3 i3 igpaquf7h ji81y3.g;wnu see the greatest detail when using a mi1w.h;g 3yquagi p87j iuni33fcroscope?

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 suffer 8*o:l6 rfxiz2pn/g ( ww g;.e gx4bivlfrom

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 fro0ydds* ( 7x-1o r,lxtc+pxvc(qnx( lcm

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 oip+ 0(h8dj;j 1kj jwwekrt4q4f 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 dish is doubled, wha/:tz7 rd fmyclttp*:2t happens to its resolving power assul:* 2yt rctmpt7zf :d/ming that all other 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 poiab.v7(x/pb ye/ i4hb int of 18 cm. What lens (in diopters) will allow this person toyv/7i(be4xib a./h b p 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. Whrhkcm067z-z m l 7ac.,sc/ oosat power of lens should be prescribed if the glass is to be worn 1.00 cm in front of thczsco7o,- ks70c6h r l.mam/ze 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 vgn n/03 sau r3q:-v -lmpapx4whose lenses have power of -0.15 D. What is the perso-mpasr ga:33/ nv4-0u xqnplvn'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 neede+..xqoib kc9fu*wga.oui e*f6db . c,d to correct for farsightedness where the uncorrected near point isf igde,b.xi.kc *fw+o.o *bau 6uq9.c 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 glasses cl2)xnf zbaz)a9qig 7*g7pb;lhose to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. )ai *zpb7x 2zlh9gqa); g7fnb 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 9.nu+v/6fesp) pbgqzi l n9g( 25 cm from his eyes, if he wears glasss6lipz)np gfb n.9eu /v9+(qges 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 of 10 cm. A person has a n2jgmf5 )h/ b ;oelpdtxqfu f/hj *f8oh 3(f..oear point of 25 cm. What is the magnification of the lens for that person whf bfdxf)/.e5*3;hh f o o(flg jmu2hp8tq oj/.en 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 has a n0/sa+/g x dipm/yc,0e66zu/ com6 trb agsn8wear point of 25 cm. What is the magnification of the s/6/gd m6s a8om, /n+bt0aexygpir6zcw/ cu0lens 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 ji 42gh8zy ho,4h,yoxdo f28u of 7.0 cm. What is the magnification if the image is viewed by a relaxed eye?j4hudo g xoh y2yo2,8hiz8,4f

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 focal length 5.0 cm ash xg43y+yi6iu a magnifying glass. What is the maximum possi6 y43+iu ixyghble 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 as a magnifying glass. W9de 3h9 dioxt:7jysv2hat is the magnification if the person's ey 2v dy9e9 hodx3ij:7ste is relaxed?

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
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses o5t jg91gf *-yyc(lh x-ublw4 bf focal lengths 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 m- l 1 tbgyx9c4bl-f*5(juw gyhagnification 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, 8.0 cm, and y-l;fh9iy .djzi //.zxu+lmh16 cm. If you were to use anyhid/ .-z.uhxyfy;j9izll/ m+ two of these lenses 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 telescope hasl.; n-*:a.xenkkzno+g uf j p. a focal length of 200 cm and its eyepiece has a .nkn- u eo.gankl : ;pz+.*fxjfocal length 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 2hl*9w+8ne j kmvteqa6 7lj5ctelescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, whajljekq69ctw 2al 8h*7n 5v+m et 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 astronomic j6q6ra*ta)nszn-jhsf20 +ls al telescope with a magnification of 10. If the telescope s )r0hnla+s*6f-6nj2qa zjs thas a converging lens of focal length 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 telescoflu* -b (m1gw8d/urdipe. If the telescope is limited to a length of 20 cm, what is the approximate focal lengudim w*fd8(-u1l rbg/th 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 lezo*qo9j 5m 8ypao.9y9jocc n)ngth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain.mnoazc99 p9 cq j.y)yoj 8*5oo 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 an eyel , ,:icoaad.ys dwb93piece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm ads cwiy:. b,9d,a3lofrom 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 objed rq11)7ppa+ov.pkfp z)h.odctive with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 q .akfz p7h1dpr 1.do+v)opp) 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*(,xdf.3a ih4ah zgrw 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a tota hawxr, .f3ia(*dz 4hgl 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 separation6o p,4pk t v8g iy4fthnchb8)ot n7/w5 of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that ct tobo8/ fy ,684tgwih 4nhp )vn5k7pcan 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 which are 0.010 mm apart. + ismuv:w*nmj*fr c4/ 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 ofm/u+4wv:*sncimj* rbjective?

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
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 dia2: i)qv5)ugo6cie in zmeter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum ano z)cg:i2)qe iv 6niu5gle 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 pla vj1+ hjo+ewg sm/uql8w -n3*;wlyk8 fced into Earth orbit by the space shuttle. What angular resole*wf 1-+w8v;gwy 3losjk8m/l+q jnhuution could this telescope achieve if the wavelength is 500 nm?

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
  • 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 0.377488 second(s), 132 queries , Redis On.