无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

 

      

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

 作者: admin 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 isw.s)1ie+ k mazf)zd 6l open and the film is exposed in a camera is de )z.i)m6s edlf1wzka+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 in a c .w x8onmc1g)s2 db-ytamera 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 distan6)pl0 d z6vn 4kwnobx5ce may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pict5n04 )pl6d6xbo wz kvnure 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 wi kg g9l/ m u4g8xhsgxlymq;:hi-.mk33 th a field of view that corresponds approximately to that of :3xm3kxs y4m9ql8-kig m/ .ghg ;lgh unormal 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 telescopv -*-xlujhns lsx4. e71 cdhh:e 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 c2 ib tpboy nz58:kl9v3overs the film with a wider field of view than that of the eye and through ilonzpkvbty3 b5 928 :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 ujolut5o i-f9mwc 969jb5n pwky 02 n0from 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 light by the eye ocznijwr .k,1 t (g4pqrjcc;9 s)curs 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 ca/s8 6*j ie5p0 avqnteen 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 if z/1vfvvm)kvyw /k f66l,w7at 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 front to baad0/o jy 3znp5ck, the person is likely to suffer zdpo 5ja03/yn 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 ush s . nvr-evp9rqe6xg7+e7(czually 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 front to e) a3nbjcr s(n xhs26c8n7er796qg j mback, this gives rise to a vision defect that can be corrected b 6rjscj7 m9gn rn2 ns(h87e)3ca6bxqe y 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 shomv*e-li2gm6y ir6z 7wrt from front to back, the person is likely to suffer frml7y ve *z6mirgi-62wom

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 .: aj5gnn 7r,4w lbywt;ne7ykcorrected 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 yegiu .69xi,b( rfuc )is too short from front to back, this gives rise to a vision defect that can be corrected by usin(xgby,uri 9 i f)6cu.eg

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 gla g:jw5 y.t 7vdx6,kocyss?

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 diame,y 1(kwfiqsz msv,6x6:j d0vz ter objective in an astronomical telescope m6 ,jy ,6:0zskwv1zdxi vq(sfis

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 telesc+ 2 fqdv/ 96rum8c1negrfg)yhtk8h* lope. Suppose an opaque screen is placed in front of the lower half of the obq8l)ghhfmnkr fg6*8 29+c v1u td/eyrjective 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 uni lmqome6 sv7k332wtvg;;i .uo form sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced soiue 73wm k;o ;svl.6v3qt2 mgtars? (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 magni. ltn,sr: j d;umpvshcn8mlo vq 765/8fication $m$. 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 nr(qwq0r 19ic7 b)cw not( v9dthe greatest detail when using a ww07 vcqrn r9(idtn(91 b oqc)microscope?

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 qt-)m /x03csc z b;vcofrom

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 sufferho j-( ncbr:ale 6cwo5*/f1ck 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 of57v 5f 1izrfmm 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 radarnyfpt k80z++:qvbb( e dish is doubled, what happens to its resolving power assuming thavfpb:q by8ke0n + +tz(t 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 point of 18 cm. What lens wpnf,c4a ,-x,f+vz*n3 y vlu2pz j+vk(in diopters) will allow this person to see distant obj3 n flwauxkj,,4*,n-zp+zp c+ yv vf2vects 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 power 8dlhm e4 l9 t:f:jm2gyof lens should be prescribed if the glass is to be w:jlylmmgt48h2 : fde9orn 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 glassemegv6 )xd s;/ms whose lenses have power of -0.15 D. What is the person's far point if the glasses are very cloe6 dx); /smvmgse 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 negmj6jea hrh41x8 qm-(ar point is 75 rh(-mmgexhj41 aq 6j8cm?

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 *czwxzyqc4 ;-(dhj;kmt:bw *. She places reading glasses close to her eyes, and wi*c;xk:4 -*dy cwtzq bhjm;w(zth them she can 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 j 7sqw*p f.)hu kq7u3+nxwl4(bqmvc9cm from his eyes, if he wears g (vq fn7 m*+)xwuqcj39.hlqu ks7b4pw lasses 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 pemnnd:1yzw wy/jxj: g 7 z9rkg.-je)j:rson has a near point of 25 cm. What is the magnification of the lens for t gj7nwewjjrg-nmx:y 1z.9jky/ z): :dhat 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 c6o,j:znz ,oi cm. A person has a near point of 25 cm. What is the magnification of the lens for that persczjo iozn6,, :on 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 ah9flh tu):4w a focal length of 7.0 cm. What is the magnification if the image is viewed by a ref:a)lth9whu4 laxed 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 fs1d )rm1ogf frx u/;.v; 0jypzocal length 5.0 cm as a magnifying glass. What is the maximum possijs /uf; ro)0p r.gfz 1y1mxvd;ble 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 9ld-1 y1i mfabxsfl.lj. 7 +eoglass. What is the magnification if the person's.o id1b9+le17.jlx-y lam ffs 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. q,ncafe7),ij sci g6 l2fcel. na45 ;g If you7s)2 nj6in 4 eef agc;f,,ic5alc gq.l were to use any two of these 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 lenses of sk86 x*z6k q3rdlqo(ube+ (f bfocal 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 lens sepax 668odbq3lqe+fz(ks*bru (kration 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 cm and itngf:v0uljak2 w8;e +xs eyepiece has a foc+v2 :x lanwkeg8u jf;0al 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 telescope with a magnification of 19+ii dokgks; +0. If the telescope has a converging lens of foca9koidis+k; g+l length 50 cm, what 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 astronom 3puy4y9 ;nwceical telescope with a magnification of 10. If the telescope has a c 9yu3w;pen4cy onverging 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 telescope. If the teleqblye *+:5;h djudd/ jscope is limited to a length of 20 cm, wduj dy*+ 5:lq/ d;jehbhat is the 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 objectia6( une0)+hio/eeij fgg 6w,jve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bj i)g,e a e ohgi(+6fen0j/uw6lood 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 enmlf8bw1re / /yepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the ovflr /1bnm8/ weerall 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 objectivei r ;g;he-pilah ,:yf ezhr ta4e:-+*s with a focal length of 3.00 mm and an eyee:-lita;pr,say+rg h;ie4f zh - :e*hpiece of focal length 6.00 cm. If the two 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/p5i(za v k4)h gc-hnq 18-cm barrel and an objective with a focal length of 8.0 mm. What is the fz) vac-i45k(h hnqp/gocal length of the eyepiece 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 inj1a amzzn 4w6)v5-fo h the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the symo )-5jnza za6wv1 h4fstem 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 restao4grgp5x4bow-+w zq. ,a-yvh- , s xolve objects which are 0.010 mm apart. If the focal length of the objectivy xp - , s.gbrhw w45-o-otqvxaa+zg4,e 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 changes from a diameter of 3.5 mm to 1s 18g 4( d.es0x1umbs.jhny zd.5 mm as the illumination is increased. By what factor does the minimum angle of resozx1de0s4 m1su j8hy.(n ds. bglution 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 Telescop rl 8a,0xyp l*1gvt) r)qnbsj;vj6)jn e has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieyxb)lrv*ja6;vnj8p)tlr n jgs1)q 0,ve 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
本平台(https://5edu.win/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

浏览记录|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

GMT+8, 2026-6-24 07:45 , Processed in 0.359094 second(s), 132 queries , Redis On.