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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: 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 open and i lmj +m),q *8uj - ubx (y0a8,l;prvg*vqmcvuthe film is exposed in a camera is dete(qm,+g a lqmx08livm8r ;c bv-uy)* *ujpuj, vrmined 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 camera is determine+ qkno)+/p,s t(kgeajo/ wm;.k,lbuhd 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 lent pql 7id60) 93h:3wyikcm j ;qasoqt4pw7ky-s-film distance may be varied by sliding the lens forward or backward with 4p am7:c 7 tt-l3kyjsqwo6);dwqy30pkhqi9irespect 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 ara:qy5 of-osw y/9hn4eh.u9 m field of view that corresponds approximately to that:yf- h su.oa5ohmyqe/9n4 9rw of 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 telescope to ma mevo+/k.j3j)o oqsekd1r3 +f gnify 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 th7bn l4; 4g vcyqn;oe;wan that of the eye and through which objects appear smaller iecl nnwo ;b74qvy ;4;gs 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 ways is a camera different from thm)u e1x 1z4uzef+ut2 s92icopc wpfea8-i-c ( e 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 oci/0 s0sxfa8 ,h.e;egg qmdg6a curs 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 clea46 16 h yhzeci+zvag(jrly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distanchy w4- k0rvr,je at which 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 z1n eb:ior50ois too long from front to back, the person is likely to suffer fo 01eib5or:z nrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can )f u*y.:ki ubch-c kaos7 5)xausually 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 gi7b:en8t:iwq0 s csny7ves rise to a vision defect tewq:n8cs:0bs n i yt77hat 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 w0g )* g1achikh kj t0m2s )xg:j4rqf0short from front to back, the person is likely to suffer from0fj*tajx 21g4q s0:)g k0gik)whhcmr

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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 corrected witmzn* i7b b(niu.ory.1b7rz; o: 6d jbzh

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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, thi 7uy 9pt*z5.vxqqkdy) s gives rise to a vision defec *)v.97k dyxyqt5zpqu t 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 magniva:d)nf l:ma km 6 bmd7,0ql+ffying 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 objective i5nzw 1ns (dfixdx).qriq)/:k n an astronomical telezdi15 )n:w xf q nkqrx.s/d(i)scope 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 opaz u,(q3bg d 7rcj4tv2oque screen is placed in front of the lower half of the objective lens.3vzruo4,gjb7 q t dc2( 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 sensitivity throughout the4yq*:;gr 7kb w gx;03poknvaa visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens refe*w7kq3:;;xk y ag bpogn4va0rrred 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 magnq)(vjamvc.+s zr7h: 43 ;t+ lzx)mlxwn w(uw pification $m$. 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 to see the greatest detail w+kh zmkf-7 bfx8(ysedi: *- qthen using a microsc-efx*ys(8 hk t+k qif -7:dbzmope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromvso v;2 0on*;rz8nm udk0- shd

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff;4+izdg evny )qo7; rder 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 ofwp)j16mhrv352f ajab a microscope 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 rep:k2gryl 65 ;ru 2cbwksolving power assuming that all other factors remain unchanged? Its resolvinrb u;rk 2ykpw:5cg6l2 g 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 lenv rb.j0e cms5:s (in diopters) will allow this person to see distant objects clearlbjme5:cvr.s 0y?

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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 cle;z3xnzw h cmqs)byo+41pp:ve/ hyzy6d)g l. 2arly objects more than 70.0 cm away. What power of lens should be prescribepwh1c+pen mhz l 2dg)sxzyqb:z4 /.yv3 6o)y;d if the glass 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 lenses h pww cluk- 12iz. ek:u7b/k0jfave power of -0.15 D. What is the person's far point if the g7u. 1c-e/2kjuw0: kpbklwi f zlasses 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 farsightednoitws f2p2 j(8ess where the uncorrected near point is 75 cm2so8iwp (j ft2?

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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 perwgkz 0/k;tu9.cq a bv5son is 100 cm. She places reading glasses close to her eyes, and with themz0 ut 9aw vbckk.;q/5g 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 p2sz85ht 6g vvf2ih)8q*d o szyur7i0from his eyes, if he wears glassesvthq f2sdzp0vgu s )* or578 ihiz862y 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 7(zwd*tvkrn8d:gxq4 of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when thei x:4(n7qrv gtk *8wzddr 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. .m7.o5bxt4 pdjdz i5 d.xpb 9yA person has a near point of 25 cm. What ixx 45pjdodbp7t .z9diy.mb.5s the magnification 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 of 7ys j7iea*x jr-/s2 5ei.0 cm. What is the magnification if the image is viewed by a relax e2ajry- si /es7*ijx5ed 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 cml . u:)741ugfhg zsmjzl 7vh0u as a magnifying glass. What is the maximum possible magnificatiogs:4 71hv)ugjuuz .mf70hz lln?

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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 convfq m4yrd wv.81erging lens of focal length 5.0 cm as a magnifying glass. What is the magnification irdv1f. wq48my f the 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 of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.+c1oaw.y i4wq8dw6ij) t z ;oy0 cm. zw+i)j ay;o81y q .c wo6itdw4 If you were to 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. -ce b 4u/4nfipIf you were to use any two of these lenses to build a telescope, what is the lens separation for thec4p4e/f- binu 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 foca(jsr+ z go344 xl6elkyl length of 200 cm and its eyepiece has a6gle4l+yx( ks 43zrjo focal 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 te:)(i 2yya3x5r5zcy0 rs wlmd ilescope with a magnification of 10. If the telescope has a converging l0cdlx y(i3wmy5 2a)szry:5ir ens of focal length 50 cm, what is the focal length 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 astronomical telescope with a magnification of 10za0v4 eq,cwyg + ,* vpjv)l*bu. If the +)zuq4g*jl,, vwa b 0vy v*pectelescope has a converging lens of focal length 50 cm, what is the resulting length 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 designing3*zrtg.fv0n7hi;m 5d ygbr7 q a 10X telescope. If the telescope is limited to a length of 20 cm, w0zgt.vfgmr nq; r d7i h*3y57bhat 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 a;fd(tm az/;cn3mxmxk);vod4ol o v. -4xmk /eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood - n )a/;x vdx 4a4(zklmmxo;mv.o;o/fdm kc3tsample 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 mmt9, g-smy c7w n5+lamh and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnification?-9m+ l7,mngshc 5wtay

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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 leb5i9vmv*)s m x-yew:ungth of 3.00 mm and an eyepieuv b5:-iw)ye 9 vsmmx*ce of focal length 6.00 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 objective with a focal lengtjdk6n c(79 dduh of 8.0 mm. What is the focal length of the eyepiece to giveu79(6ndjc kdd 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 cog:ypjf+((x w m5)zcr pygf4g)nstellation 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 (diameter) telescope that can just resolve 5+()fxzfy()ry 4 pwgpc mj g:gthe 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 microscopp5 n0p) x/.wwvz5+ehzq uaur)e is designed 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 dia) +n) a0qz/xew up 5vzw.5uprhmeter 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 a c9ocsy uo9p)jlt 0e,*s the illumise*co ,jp909u)l ocyt nation is increased. 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 hbosfi(2tm92a,v ,ka ras been placed into Earth orbit by the space shutaaf k2s2m i, (9,trovbtle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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