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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 shutter is open and the film nd w). k, ,e*k/)mzfqo,myjthis exposed in a camera is determined byoq*d mm)w,hjkz/ .f y,tke,) n 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 camera i; wub46c5 kfn7dnb/7wz ai m9os 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 m f2q/xrgt1zdn v y9uo./7 u4l),cnlmmf-iq4day be varied by sliding the lens forward or backward with4ix1t)-lfm quuvgno.n7 ,fr9 /2zd yc/l d4mq 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 with a field of view that corresponds approer(0 p:el -xahximately to that of normal: -he ela(xpr0 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 telescopf5 lpo.gr*j;bn 1w 6doe 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 than tm3 v-c4 qb ptij22ihntlft 0 tbv6,13zhat of the eye and through which objects appear smaller is refe3lt 2 q6i3bh,jv -n1tfvp bzct0t m4i2rred 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 ar2qf7xvxp .8:tikd0 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 thee yi7e5o3re;yivaz3 ;hh* 9xeuij 87q 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 see objects cle ia9wvku u*0:7 5mdfqez )2mxkarly 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 eye can se xr0tmf(pz9 yw+v-7bce 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 l5wbr t-uux(p +ong from front to back, the person is likely to suffer f wx(p b5-u+rturom

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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 correcte5h mvyk;7a47i:pq+jky kz t,x d 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 v2/ x:x7wm5ddnx 9l 7p -a21wvwigynqjision defect that can be corrected by usi 2wn9j:v5/7 xa d xl1iwg7pqm 2nwydx-ng

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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 wp+ay ls7zw) k;e;.ifis too short from front to back, the person is likely to suffer f .)+z;wea;ysw lk7pf irom

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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 correcte3rs85t m :,v7gv1 fctln)ll yzd 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 givem;1dhwzm*an (jc 5:mu2t-lk zs rise to a vision defecthd;:wml*ncz mz5-tum j2a( k 1 that can be corrected 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 ma 672lwjh17n5kbzce0 ufn 0mp r/+qhjtgnifying 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 large diameter objecti46eejn a5w ,ugve in an astronomical telescoewae6u 45,njg pe 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. Suppose an opaque screen ivevwgdj1n*;d,0c/e r s placed in frode0rj1v g*endc v/w;, nt 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 uwkqurg :;n4 (oniform sensitivity throughout the visible spectrum, in which of the following cases would you be ab owu;:rk4(qgn le to best distinguish 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 magnification /u.2koi pbol,r r0 pa($m$. 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 yh :oo fo2-slsqu ,z4t6ou expect to be able to see the greatest detail when usi,t u4z2f o:lo6 hss-qong 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 suffer fxdzf0r hc)h bnv/a 0)7fe.( wxrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf,wc:fanb(5* f/6x dlo oc, mda tmkj0:fer 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 a 13sp8utiygt o6b3gtz0;*o6ayt)gv7 am s6 c 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 tc w/fd3h6ca :to its resolving power assuming that all otherhfcd:wa/36 t c 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 / q7 9wv8wrwuvhas a far point of 18 cm. What lens (in diopters) will aluq7wrwv/9wv8 low this person 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 objectt7xyd+ 1odsedak3nanj7.5 s4 s more than 70.0 cm away. What power of lens should be prescribed if the g7d . onts 5j7kd 3sdeaxnay+14lass 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 whoseoy4 7d0om skl9 lenses have power of -0.15 D. What is the person's faod7 lo 4smyk90r 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 far2v7 f,-k:t cajl*bhsscyp t26sightedness where the uncorrected near point is 75y p,ck62b7t* :l f-cavsst2h j 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 far;(/tp(h :ml mxoa;ncrsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read o(xtmlp(;rh ;nam/ :ca 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 cahn1: .;5lewbt/p8; c zv jhf12trif jen read a newspaper held 25 cm from his eyes, if he wears glass2h;hv . f1tje1nt5l;ec f8wj/ z:pbi res 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 hasv fhz+sl :jqbz;m:pr 0c7bo): a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for thbz7 v:pb;mqj+o0sz)f: h rc:lat 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 yp/xdg+te* z) person has a near point of 25 cm. What is the magnif/ *td+ex gpz)yication of 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 of8qkiyum z)o) 3 7.0 cm. What is the magnification if the image is viewed by a yuozik ))qm 38relaxed 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 glauun 0gmknwgd p7+ v9)i7k93apss. What is the maximum possible9 0n)7iadkw9g7g +pnp 3muuk v 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 glas32poleehg5ad1 * p) , fpir,eqs. What is the magnification if the person's eyr)2ah1e f5e3p,eiop ,qg l pd*e 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 cm, 4.0 cm, 8.0 cm, and 13cxcv2tq6 oenm h(v9 pg0,hn66.0 cm. If you were to use any two of these lenses to build 3tgnx c69,noqepv6 0ch2 mv(ha 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, an e :p+j4hs; k- ewy,bxhcr-uf2d 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens sepapw b-hy2-hrk :uee f+x;c4,jsration 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 hqk ,t26yvkc hi:y8l*q as a focal length of 200 cm and its eyepiece has a focal le8ykhcyk,6v*lqq :t i2 ngth 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 magnification of 10x9emxoq0g)3 vp v3yi) . If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepivepi)) mygv 3 o0xx93qece?

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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 astronomicavh lrh/(y1t -al telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescope?l-y/1a( htvrh

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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 telescope is limited to a lengtbpn+ 1vuiy 4 pm7zbc:98r-ssph of 20 cm, whacp8r 9buzm7np 14 yvs+bp- si:t 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 1msx1( bz 3bitb gija 4oigw)q7n; );oa.2v;b m.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. How ab;it1bz b 7.s)min;o; gxwg3m4bvio q)2ja( 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 4cbminy;lgpc/ yyxzx tg f+y.e87-81 eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the over+ 8tx/ y7.;p c8bmfnlex zigycgy-41yall 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 an-u, * )zh*h0rog rwynvbgfs l4:c4p0m eyepiece of focal length 6.00 cm. If the two lenses are sewc*rv bp,gh)sgymfr:0nl4* 40u -ohzparated 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 objective with a focal length o-z2l.i4hb/p sz:w rmaf 8.0 mm. What i/4 .r-p lmz:zb2wsaihs the focal length of the eyepiece 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 thercpt6p(k 3clu+1 )tt w constellation 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 apertptc)k61t(+pw3rctl u ure (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 to resolve objects whic hf1 no8g:osivx-0 i5ph are 0.010 mm apart. If the focal length of the ngs8 hxo-p:v1ioi50fobjective 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+uq y/5lngla(ig4t96e *tf bd.5 mm to 1.5 mm as the illumination is increased. *9(dlg+y/ebl t4 auni6 5qtfg By 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 been placed into E6o t5xehgbs8(arth orbit by the space shuttle. What angular resolution go86bh5s( xetcould this telescope achieve if the wavelength is 500 nm?

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