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习题练习：Physics Unit25: Optical Instruments
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 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

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time the s0czw0t4/n:p :3 cr ij.xk:ny q(e5 o ,encnzudhutter is open and the film is exposed in a camera is detc n nczcxr:(.50ztqw,e:eji3p:/4du k onyn0ermined by the

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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 cd07rt2mj x v, xz4kbzeyl 1j;-amera is determined by the

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex camera the lehr4 d8s)c*qubns-film distance may be varied by sliding the lens forward or backward witrb q4*dhucs8 )h respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the film wt-r- + a+iggctith a field of view that corresponds approximately to that of normal vision is referre gc +tagir+-t-d to as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telk/vlu- tecfpow8fr3,fl;rx g(i40 s)escope to magnify images is referred to as a

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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 h/rb*9ck)w.sivms: othan that of the eye and through which objects appear smaller i)*r/h.isov :mscb9k ws referred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following wazskv e8o bss, jt)6.+dys is a camera different from the human eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of light iv ;o/l7pqgye va0 mn9(vor 98by the eye occurs at the

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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 gjmxa:1nqq jubv/,c;v:rf7ww1 y/ f; see objects clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at wh2cx* +c ,.z:0 ttipia*iiihvuich an eye can see objects clearly is

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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 barglt 1.u3v ;d1)wcszhck, the person is likely to suffer 1g.;w1 dcz us3vl) trhfrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can )bqs*. xii6-rslc t 2vusually be corrected with

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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 back, this gives rise to a visi -kncc/wkh k.;on defn-; chw k/ck.kect that can be corrected by using

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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 likely 05bwj+ h u8brtto suh+0b8uw t 5jrbffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually tbfa djf/ ;1x4t/jzb3 ui9if /be corrected with

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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 fuo* 4u kr0ea-to a vision defect that can be corrected by uu-4 reoafk 0u*sing

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifying g*i 2 wkjwvs3g);fl pg)lass?

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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,8 ll dg;k .q4aua4hpj objective in an astronomicaljl4haqpu a,4 8g;l. kd telescope is

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed by agq2nn0;g1st aqof- 2 g refracting telescope. Suppose an opaque screen is ptq 1nqg o;s-fagn02g 2laced in front of the lower half of the objective lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used has uniform sensitivity8fdcb m*:* gku throughout the visible spectrum, in which of the following cases would you be able to best distin:gc*b f ud*8mkguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope has a magnwwvp 5(3b 7caaification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light would you expect .rrg+fv9 wsexq kx3)y) : 4blcto be able to see the greatest detail when using a 3b ws+y:rergx4f).q)vc x 9lkmicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frox6g2 5ocj8k4 p duk3x60tnpe tm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffpo0g- ea6/kwkb3 m p7ft f2)fke55 ufwer from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a microscope refhnz c te:7/bw-d;h+l hers to the ability to

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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 doubledgp3tx2a8z f bbmz /f1nlj9 d7;, what happens to its resolving power ass/b fzzbd 1at3xp29m7 n; gj8lfuming that all other factors remain unchanged? Its resolving power

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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 le3ub4lzei n +8 t3ugky3ns (in diopters) will allow this person to see die u b+nltk3i3 g8y43uzstant objects clearly?

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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 a. 4d (pm+)zsrp(ne(mykc+ dz ..alwg70.0 cm away. What power of lens should be prescribed if the gl z.yenwma+gp(ad (.r4zmdsc .kp+ ( )lass is to be worn 1.00 cm in front of the eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glasses whose lensexbh, y 4e5kxq)n2wb6z s have power of -0.15 D. What is the person's far point if the glasses are very close to the e6zb x y)we5qb,4 k2nxhyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is neis65vit io,3/hb3ge ueded to correct for farsightedness where the uncorrected near point is 75 cish6 b tvii3g e,5uo3/m?

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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. Shwl d3p//gmvq tge/1 7de places reading glasses close to her eyes, and with thed t7e/qp g/ 1/gdvmlw3m she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?

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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,.iww3q9ge;1xoas; b9g z1q jf if he wears glq i9aj;f9sow1.gg 3z1ewxq b;asses of
+3.33 diopters. What is this person's near point?

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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 pers+dxyw 4juanxe); eu,yqepr+,iyg 66;on has a near point of 25 cm. What is the magnification of they,riu;qxjx6agdy ; +4e,y+)e6 e wnpu lens for that person when their eyes are focused at infinity?

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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 o8y r5ghe7.7nq1a u9t f *kxsdvf 25 cm. What is the magnification of the lens for that person when their eyes a78rg*nkav q97t1u h edf5sy x.re focused at their near point?

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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 magnlz4 :m0 vjp9.k*, uungdtws2z ification if the image is vizn:v, p zdwl2tj0km4g9.us *uewed by a relaxed eye?

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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 as a magnifying qkel g49mh101gz1vbh glass. What is the mahm1bgk e vgq41h0l 1z9ximum possible magnification?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lenso2of 2)n:pbsnr k5a(d of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eys5no (r:2aok) ndpf b2e is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengthssx5 m+,j l eygvc8-ca0zxy98d 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use zcm ,9d+y5syg-e8lx acxv0 j8 any two of these lenses to build a telescope, what is the maximum magnification you could achieve?

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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 16 cm9sr*b tbx ur(0icd17 x24l 0-kfxfuey. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum mt u x17fcub9r002 dx-bi4(ey*kfxlr sagnification telescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a tele(ilwc3fj 9nl1 :6aoo fscope has a focal length of 200 cm and its eyepiece has a focal:fn6a(l19 lojwo3c if length of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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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 magnif1zgyx )u .mw-4p y:am dnm9;dcication of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengthamcy md4 dx)ug:1wmzp-y; 9 .n of the eyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astrono8rj* v wyvp6wo*2xn)sz/v-gimical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length2 vosw6zv w8px gj-/v)r*n*yi of the telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X teg jvzu s;kxhgv/)01x*lescope. If the telescope is limited to a length of 20 cm, what is the approximate focal lengthg;jsxh gk*vv1zx/0 )u of the objective?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focx3/d -htqlf1 bal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for mid3qbt xh/ -1flnimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenses?

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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 eyepie4s6lmdtt5 itxe 9.b sj;.;- jw8c quasce of focal length 20 mm, adi.;d sbse854ut w6jcjtlta-9x; .msqjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnification?

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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 ldumf:pe,gg ;ee.; kvbr js ,vy852/hrength 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 magvvgyhp.8r5e2;sb u,ergm , /e: kjfd; nification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has azcyen +w82:q y/c4ghr 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: hngz4 e wryyc2/q8c+ total magnification of 240?

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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 separation of 10-xl9ir6km (qfes+ pk 6;5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameti +qe( plxsf66kmr9;k er) telescope that can just resolve the two stars?

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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 aparu*kzp 2xq ,ctu8lnj /4t. If th/npxtu,ul 8qc4* 2kzj e focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye cdi,y.a )up ,s2zi6b u+xj q1zphanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution cha6di ,jap 12 szuu)y,q pixb.+znge?

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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 placed into Earth . vhfm5t s(z5d teqx1(9 7vlvforbit by the space shuttle. What angular resolution could tldsvf7h5etx9q(t vf1. (v5mz his telescope achieve if the wavelength is 500 nm?

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