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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

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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 shj9 ju(5zbql8b 2ut llv5pq,0t utter is open and the film is exposed in a camera is determined by the8 b0qq,(tt 2lu9z j5ul5vjbpl

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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 camera is determio 6vhfx ,63gsened 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 lens-film distance may ba22xjix fj y3-( f;xque varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtainfiju-;3y2(ax j qf2xx ed, 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 with a field of view that corryc2 extzeki v 9 7(aft79q*1qqesponds approximately to that of normal vit7 iqzc7xq9q (akft2ve1e y9*sion is referred 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 telescope to magnify images is referred to as a (bbii xfg2a,ysi+ 5d,

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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 w+yqftrm 79 bkb/u+cd,ith a wider field of view than that of the eye and throughtcbb7+dk+m/u 9ry f,q which objects appear smaller is 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 warvdqk *fynwh- -c4*n0 ys 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 byi5 t eh3zt7p4j 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 ca fp+sb:tds:tt) 5m+cg n 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 which anabw 5xkob/3t-bqy 20uu5 qtf, 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 y :baeu.y os)v8pxyz)z*v / wl6o0p- ctoo long from front to back, the person is likely to suff x -/:v6pyws)o zbz*). y0ayv ce8oulper from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be corrected wits-zg 4m toem:g2bsg bh57:/bth

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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 visi2h0e:pb wew9s (gnor*:t0vq hon defect that can be cegh o 0vbewr9(:*:2hstqp wn0orrected 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 tt g46zq3ll 6euz*q hr(jbx(,eo back, the person is likely to suffer frrjt(h(6l e* ,6x ezub4z ql3qgom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be c6 w6ax;zcafv5 ) o l-w0jmvjjvi6y8 q2orrected 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 to 7+ocd6.2w). x7 rzugx vjlucha vision defect that can be cdj2)xcl 6v hcu.xu r.o+w7gz7orrected by using

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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 ma2uf;icf;za1 n :dum24 ir9xkegnifying glass?

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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 uhh-qxrr z n9w4ok 44q wf)o14using a very large diameter objective in an astronomical telescopeq4-z ou144 q ow w4frxh)nh9kr 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 a refractiu7 hle2r +fb*vng telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will thisubve 2+r7hf*l 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 sensitivity throughout the visible spectr k6z3s,; cv)hwvo ragwqz61( ie.2o7vtp us3 sum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telc rgsu16(v7o e)owaw23 kzt z6q. s;hp3isv,vescope 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 af*-y-afk 4 lw wev:ak2 magnification $m$. 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 to be able t a8b8k egzkh6/r*dc( fh2qei1h p8+ljo see the greatest detail whe ae28fi g+r8hhp*bkh(c jq/l1dke86 z n using a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffey6j0 c ,fvye7rr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff: b)qe 3g-a ncw.)ovqmer 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 refers to the ability rijifd76f0w+p2;dtk 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 doubled, what happens to its resolving power fno)d(5ei +fmassuming that all other factor(d+nof)mi e5 fs 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 lens yr 9jp3d*. wld(in diopters) will allow this person .d3jdy pw rl9*to see distant 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 ob;z0:m aqta t4njects more than 70.0 cm away. What power of lens should be prescribed if the nt:tq ma4;0azglass 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 glasscqf0d vi(53y7 l- ijfnes whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the fv-n i(dl7 0 5i3fqyjceyes?

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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 needed to correct for fars-ur2 (y)(fhyirg-dk ws5plp, ightedness where the uncorrected neari yugl s ((y5rdp2k-),- hpfwr point is 75 cm?

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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 farsigyfa+/s bwn2j oa3rmo 5zu pc62d.5 0-0 qoynxxhted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is rad6 c2.0ufwoyzyx+anj q /-mpbso2 r nxo 5503equired?

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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 newspapeqk0w 4)kh5(l hxqn/z sr held 25 cm from his eyes, if he wears glaxz)l4 /hq0wksnq h (5ksses 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 person has a near poinl vg qgvrs)4txw..,3 lt of 25 cm. What is the magnification o3qltl s ..4vg wrgvx,)f the 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 1cf w gafnrwgdnuj:yi810 84 )00 cm. A person has a near point of 25 cm. What is the magnification oa48nyg0gruwcfn fi ) 8wd: 10jf the lens for that person when their eyes are 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 cvaq21t u2,edzm. What is the magnification if the 1u2dze,vq t a2image is viewed 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 ;ors68a7 ma qe5.0 cm as a magnifying glass. What is the maximm; 8q7ae6a rosum 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 convergi e;djt:t,mizv/ dj-k1u2zgv8ng lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the perszdu2,de - k8i;1:tvjv/jmgzton's eye 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 lengths 2.0.adao7 wa an3s: 8pvy5+ +sgnu 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 i+8u3d: +aa vna5 .gn ss7woypas 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.j) i nvj,qz7 +g+m*f-b;c ne8lw-eewp0 cm, 8.0 cm, and 16 cm. If you were to mben7 v zceg, w-qf+ w-pjin*8+e );ljuse any two of these lenses to build a telescope, what is the lens separation for the maximum magnification 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 telescope has a focal lengthrfm *z f8c:6uz of 200 cm and its eyepiece has a f zffcm*:6 r8zuocal 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 telescop x+rb.f9rq7 qqe with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece? qrfr q9+q.7xb

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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 astronomical telescope with a magnification of 10. Ifw **h drwh;xv,0cn2h m the telescope has a converging lens of focal length 50 cm, what is the resulting length of th*r w*,;wdh0n cx2hvhme 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 tetc7pj1vvi3c -j f)84bs r r.nclescope. If the telescope is limited to a length of 20 cm, wh)rc -n3v.c14pj 7t rbvcfjsi8 at is the approximate focal length 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 focal length 1.4 mm and an eyen9wq29 bsb.k w kmdt9(piece of focal length 20 mm, adjusted for minimum eyestrain. b nw 9mwktdskq(.99 2bA 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 lengthgigu:. + zj/be 1.4 mm and an eyepiece of focal length zb/+ u.geji g:20 mm, adjusted 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 length of 3.00 mm and 41z g9 -zpppdui:pz7gan eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is thzz7:pzgdpu 49p1- pgie total magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope f5a8sl ydiw7, has a 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 total magnification w,dfl 8 i5y7saof 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 (0c jm)kkh a.7l7yd kdseparation of 10-5 rad. If the wavelength of the light from the systjkya0l 7. dhkm)7cd(kem is 500 nm, what is the smallest aperture (diameter) 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 j:kyb;si;)9;r2ec, pt lnl3 h*xrf kn2obe l 1to resolve objects which are 0.010 mm apart. If the focal length of thehlnk;2) j e3*nxr ; bi2lkfortyb1c9e,s :p;l 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 changes from a diameter of 3.5 mm to 1.5 mm as :*6a x0er7kox dpky); hjkk9 vthe illumination is increased. By what factor does the minimum angle xdhx9k*7 ka)6r ;voye jp k0k:of resolution change?

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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 Telesc )x8wd3xw 8q(pmaqsmkn k7+ y7ope has been placed into Earth orbit by the space shuttle. What angular resolution couq+3akw8x ) md7wx8nqym ps7 k(ld this telescope achieve if the wavelength is 500 nm?

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