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习题练习：Physics Unit25: Optical Instruments
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 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 shutter is opeang;:qcrdj: )kq a,h0n and the film is exposed in a camera is determined br)k adnqq: ,h ;cg0a:jy 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 rt+2c tt3d-q2g4 jgbl 7vv,vmneaching the film in a camera 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 lens-film distance may be varied by sliding t)x-*muwv2rt c fr5;c phe lens forward or backward with respect to the camera housing. Ivm tufr5)xccp*-w 2; rf, 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 with a field of view that corresponds approx7gr/ ,f3l qcdx;kwo*iimately to that of q3 x*kw;flcig/,7o dr normal vision 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 tele d1sbt*g1aq 3tscope 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 :ritn*e 2svx 9wider field of view than that of the eye and through which objects appear small:i en92 *vrtsxer 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 followingeypy2 +-u xe14 p3tf8b(m7 sn zro6cri ways 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 by the eye occuekh 4 z95u,./ mqamcffrs 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 see objects 780eikzhyl4c fo eind92mf4/ 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 an.unmyqr b +qivr nd5+/361zhr 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 back, the person is like3-j8wt h;lamq eer .p+ly to suqp 8r ha;jl-w+.t e3meffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can ubgp5+tv3.yuj i28 pfe sually 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 f izi06 xol dselx+5hp s:n-7-back, this gives rise to a vision defect that can be corrected by 6x il5:0-o-id f+ exlpnz hs7susing

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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 tq);vuks98 nej( h rd1jxs (gd)o suffej 1r8s;)jn9h( (k qusdedxvg)r 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 bk g2d-7pr 9sh+1zkssbe 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 back9-hhwmb x/i1/u b i;cp, this gives rise to a vision defect that can be corr /bwb-;/ihumh1px ci 9ected 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 magnifyslvx kdn 3 zx9z.kv5n2)e3 m.qing 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 using a very lao l a:v-dundncl 6f;() c92pvvrge diameter objective in an astronomical telescope ;vdf:lc ln-9ao (dnvv)up 2c6 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 refracting telescope. Supposep w a0ogjx r./wo++8rw an opaque screen is placed in front of the lower half of the objective lens. What effect will w+o0w+8 gpjao.rwx /r 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 sensitivit dx.rktl+(p)wy throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the()lp +wxkdr.t 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 telesco n6tsn ;wk-pc-pe has a 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 woule1 5tm:-ygj umd you expect to be able to see the greatest detail when using a microscop1jemmy : -tgu5e?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from3.lr+e h spl:6s ioh1j7 ev(ts

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffeuumk)g ;il71/+p1yld usi+ awr 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 microd 6y:me9rvk78cnup2m; wbnp, scope refers 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 doubled, what happens to its res;xy hzpi8lcl:p4ho. ( olving power assuming that az.(pyll4 :pix8c;h holl 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 lens (in diul:s + fx fsexed7(w8.opters) will allow this person to see didu x+ w7x :l8ffs(ee.sstant 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 70.0 cm away. What powe.: w/nc9)x * fomzmr.-yerflp48 wadfr of lens should be prescribed if the glass is to be worn 1.00 cm in frontlfm*x :.4 f9)wzpr /nm- 8cder ywao.f 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 wsf9jrbn /*k /a1-6+qpghwl ti ears glasses whose lenses have power of -0.15 D. What is the person6p rinqf a/*-+b1shg9 kw /ljt's far point if the glasses are very close to the eyes?

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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 farsightedness where the unco0 iz20k7ai dparrected neap00i7za aidk2 r 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 farsighted person is 100 cjuero-yf6 v :9m. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Whj-f9ryv: o e6uat 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 eyerzs0il m4t8, js, if he wears glassj0zism8lr ,4tes 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 poiahf /(ga;xs h1v2c4lnnt of 25 cm. What is the magnificat(a a;/xnv1h2 lh4f cgsion of 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 ofe8q 1bonn59pk 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their ep5 oqnbk18n 9near 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 foo3bo *wp1 z5bw*w5k)q tyfe rj19zwrvtu,l :6 cal length of 7.0 cm. What is the magnification if the imagzrryzw *9w5b :,etfoq*15 1kjl w6 3v w)pbotue 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 5.0 cm as a 4)vjdljd:d )hs 60qmtmagnifying glass. What is t d 4sv6)jl:m)0hdqtdj he maximum 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 lens of focal length 5.0 cm as a magnifying glass. x7-4i cks* gehWhat is the magnification if t*xsk ig74ech-he person'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 g5sgg ;xwpbxu 5y e0c 5.3q:ktof focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to kgc ;xbpt5w:5x 03y5qge.sgu use 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 lem8r2q+ y:n kd3wlx1 jgnses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses tokyn38:x dwqlr2+gj1m 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 length of 200 6zc1ulw3i kvu/a g/4acm and its eyepiece has a focal length c14lku3w avzauig6 // 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 w k+ c4hxpm(c/dith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyep/ cd hm4c(+pxkiece?

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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 telm:t3q+f kd2lwi8.r y9zc a;qh escope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lent: afzh.q829 dcyk+l 3 imwr;qgth 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 telescope. If the telesc dn, .7jybuz q7;8rf/k mbgq.lope is limited to a length of 20 cm, what ,j7z lyb /g.q dmku8.b rq;nf7is 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 eyehh07hr. 4c0mh6ty g drpiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How fm4hy 0.hhct60grh7rd ar 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.l4tjz )spwtyu-:* 3kx 4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample t:xy ptk)swjzul-34* 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 lengtfdg/j+ r (n4p8mm0zfuh of 3.00 mm and an eyepiece of focal length 6.00upm mng 04f+j (f/zd8r cm. If the two lenses are separated by 40.0 cm, what is the 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 has a 18-cm barrel and an objqyx mk ;15vv.p-r5ix(;qyedv ective with a focal length of 8.0 mm. What is the focal length of the eyex.y 1p-rdq kq v(x;myve5i;v5piece to give a 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 anguluhdpdf b1ts9+lf f 3/+-ars3aar separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smdhdflf3 ts1/pb3f- r 9su+a+aallest 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 desigf2uutiq+ aaqge(2ij1 qc.; z )ned to resolve objects which are 0.010 mm apart. 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 th+te2gjuiafqqc1 . 2i u(aq);ze 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 e5un/1 ctk1cgg ye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. Bycn 1cg1u 5/kgt what factor does the minimum angle 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 Telescope has beg(vbn/qm g8mu2y z)3 fen placed into Earth orbit by the space b28(yzgqfm3g/mv)nu shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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