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 is ope(xn0-i yg8 +6cflrat6ppu hm1 n and the film is exposed in a camera is determined by thu crt+npiy ml68a0g-f h(p16xe

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 i,qj+ l,jv, iuhta m+,bn 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 reflbzvl1nf3 h)by c3v5n4ex camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a cbycl5v n fz1n3)bh3 v4amera, 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 corx,i8s .n lh8fbresponds approximately to that of normal vision is re,h8n8.lfb sixferred 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 likeg/g.rz5x6had a telescope 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 3 /lmk;ain-zkof view than that of the eye and through which objects appear smallem;zk- n3 k/ialr 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 dse0nvx be:,i txneusp 9e5991 ifferent 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 refractiohek,l6i91uo*z6p adb n of light 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 whi;7nt1ayh k fwn r1u*g/ch an eye 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 at -yikdx9 :a6 mf w9d:mowhich 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 back, 4 n:dhysqwe/ - z eu)mt;oak*;the person is likely to suffer m:y oqeun-;*s wk;ahet4z/d) 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 corrected wit . 1g1ip6 o6- vcpew3trg0mjl7y )yighh

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 fmij01 f,rb)x) u/ ivgos--crvrom front to back, this gives rise to a vision defect that can be correc,-ri1)bxs/- 0mojiuv rv gcf)ted 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 lyj ss:+ :yj.q ./.efur9we qrshort from front to back, the person is likely to suffer jl..: ws9erqy + ys/.urqf:jefrom

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 coy)zo5fp ,hs7hrxqi fy.5t/w 4rrected 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 fjicd4yyf.b;(td6 4o yrom front to back, this gives rise to a vision defecty6;4yyf ib(td4jd .co that can 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 magnifyihu677u5t nnt aptl :c/ng 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 fm p3+,.ig5s yq3n prawor using a very large diameter objective in an astronomical telescope rq 5wayp,.ips3n+gm3 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 h9n,1uxu1 r mdauh z4u bq ):.f6o7nqiopaque screen is placed in front of the lower half of the objective lens. What effb o u i ) ,fmx7q6ruq4nd.11an:uhz9huect 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 the visible spectrum, 5ou gkcn; v)m,t) +halin which of the following cases would you be able to b)vk5 )g ;,+lm haotcnuest distinguish between two 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 telescop)m1 inmp3uv 3i 5db5:ol azu+xe 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 to see q( fw2s87 kvpzthe greatest detail when using a fpv (qwk2z87 smicroscope?

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 sufk/gdu l mod4-c8- mcs7fer 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 suffe+ edb38r(pnb cicc zues:2p78r 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 of a microscope refers togilc;ztn1 1 - hkgd)6m 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 hap(gxxnt. 04 a -r8umxjkiww,njd r.p3/ pens to its resolving power assuming that all other factors remain unchanged? Its resolving powerj. /(n.-gu xi wawm8jnprx3t4 0 xrd,k

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 (in diopters) will al kw 3zjfe sqw*1 irlcx.m13b+0low this person tojbqkmf313z1 el+ wsc.xw 0 r*i 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. i+1haehvgm73vai.+ g( feyko t7; bum7zy4/ k What power of lens should be prescribed if the glass i o1 7g7ei/iua ytvbzh;(+ g3av7+em.h4y mkfks 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 wears glasses whose le:*bjwbah t l ;b+ (kcua55fe9dnses have power of -0.15 D. What is the person's far point if thlj:t(a +b; 5fhewkbbdc5 9ua*e 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 where th wlh (scew06(ut,jndrd5d -/ye uncorrected near p/rlwte hndu60,-d s(yd j w5c(oint 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 farsighte airsurb 90ofq-*,ct6d person is 100 cm. She places reading glasses close tio-rabfs q ,rc 6t9*0uo her eyes, and with 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 cm from his eyes, if he 4 ;x6+l+hir wpvisfi tf:g/ngai.)9o wears glasfr+his+i.6tp a figx9; n :/w g4)olvises 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 near point of 2hi).uc5a zutjse /19r 5 cm. What is the magnificatie/ctuu.i 5 shz9 )1jaron of the lens for that 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 cm. A person has a near poind:j x 6fhmef542kqrs+ t of 25 cm. What is the magnification of the lens for that person when their eyes are focused at theirr f2+des:f 4m kqhj5x6 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 the magnificatiy.1wux*ykvwal.5 1 cgon if the image is viewed by y*xk1ayu . .wwv5lgc1a 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 convemlmc/rrs1 nat+1 ;eg/rging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possibm1 /l n/rgm+ect1rsa;le 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 converginglvix+ju(/qlr4w(wl- y ls6 2 u lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eyeliw+ 6-jry/l( s2vul(q xlu 4w 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 len*v6u n8mq/ bqzgths 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 qbq6/nm* zvu8is 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 foc+/lvagq2fg::(gbkc( p sz1) oen5he mds00e gal 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 separation for the maximum maag ) vq :0c /k legn2+mf5hg0eozspe1 sgb(:d(gnification 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 cn cve9yd2 r3p-a: kmp;8d)emi,jsfj,m and its eyepiece has a focal asinemfdvj9;2p: j c p-,3ydk,8emr) 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 rm17cnu*5; imqu v+9ww jyv4a 2)3tpuq0 evun telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of theva7i mmpre 4 nuv*cyj9uw+5v3q2 );0 n 1wuutq 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 .7hn ea rvu:p74nosv0with a magnification of 10. If the telescope has a convergi7h7 repas:uv.0no 4 nvng 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 ubzwmb ;- iu:gy+/ egs3/9f nptelescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objectszey:u f upg+;nbibg- 39/mw/ive?

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 fo+dnbwx+ 8 +nqnzwmk)8 cal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sa bnwkx w+zn8)n+m 8+dqmple 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 lep+(dnmi,9 jo 6:nl j.maynt ug9w-3kvngth 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 objective. , tnpj:- 6 lam.j+3vgk9y(ionwm9un dWhat 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 ag r u,h43 gnmoa *(ft/-rvwqd8l-9rog focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, gt38on o*/ h a-glf( 94ugdwr,vq-rrmwhat 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 18-cm barrel and an objective with :w(,rsoy7 jaua focal length of 8.0 mm. j(asr ou7yw: ,What is the focal 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 in the constellal7)sfygud l --bdf09htion Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture f7fsd-0lg d9)by- h lu(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 resolve objects which are 0.010 mmn5v v/4ik-ekv n7vekp b( -: 3aup6srn apart. If the focal length of the objective is 4.0 cm and p-e avv(-rn4n/kv7p6bsi:u5v n3kek 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 1.5 n cig77rb* b 0,pf55kiwtkm. umm as the illumination is increase 5,m .bf7k u*w5tnrg0iibc 7pkd. By what 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 Hubbnvrwahd(xn:6c vab 6zp 8+ 6(ole Space Telescope has been placed into Earth orbit by the space shua vpcn6w6+zban o d:8(vh rx6(ttle. 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
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 10:30 , Processed in 0.420849 second(s), 132 queries , Redis On.