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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 the film is exf c 1ogodz7l58cd6 /hsposed in a camera is determined by /sz76g815hfcc ododl 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 t c+2auu3ev fgsns9.t4skn9p ( .p 4vuche 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 slidinu.mu-pd i k1gsspi: b.s;.ietq 7s ,3ag the lens forward or backward with r q d3sa7 ,1.p st..isu:sub-ei kpmig;espect 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 corr. /ww /lgf-h 2gvsu+miesponds approximately to that of no/ wlfgs.uwi -m2vhg+/ rmal 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 likr2l6x9m;bku ke a telescope 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 wit59 ,sn+bm3)p )hj 4xgiuvnsu yh a wider field of view than that of the y53uh9j x)m,n)gi npvu4s bs +eye and through 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 ways is a camera c+b mdf5f efor9)ae83different 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 lighv w24v7+86j lu uigpezvpy 5h5t by 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 d,jmz8 f,t(ahrlpy 3kk: p(+xwhich an eye can 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 an eye can see objects cle xq86*a05tnc-fcsoe oarly 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 likely to mz/shx cfr; b izzz)6/i,a9*:dst1 s osufhzsmxi;)ba/:1/sri9czz*f, 6sd o z tfer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuatd)1tlrf e9 0xlly 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 riwb u zr+cn)l25se to a vision defect that can be corrected by usib2l c)nw+zu5r 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 is5qjg 5hvgk;+cr( y4p5wlb z,z too short from front to back, the person is likely to suffer frok (qb c45hrzw,lgvy5zpj 5;+gm

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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 7ie h6jnb 4q6gj* b7macorrected 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 fjdd*qn41kw2 phk1: xoq1l*ec rom front to back, this gives rise to a vision defect that can be corrected by u1c4d *1kj:dln hqxkq 21ow*ep 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 magn:i7:3eb k bvob hk1aj+1ty; kqifying 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 obx01 a.+dnqbw;;i : zza bz.rmfjective in an astronomical tm.bz ;bwz0az+rd ai:fqn1x .; elescope 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 opao py7/gt5u4 wmque screen is placed in front of the loweypot74m5gu /w r 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 sensitivity throughout the visible spec m3 rx-klby 2n)bi0bvu8bbh .:trum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referredk 0ibm:bnxbv8y. hlb3)-u2br 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 dqox 2u/gq )m: cw0xlp9l-9 rnmagnification $m$. 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 whe ,op abwix1: y2q:ztm6n using i:m:zp62w ,txqbyo1 aa microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffery,mm- lpd xd89 from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffej1)wdjt( a at y(9)eblr 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 microsxdlhc;r;u 8x p6i2nrz 3kr)b th+p,k7cope 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 di(m:itb6rxj-t4p n)n)hy ; kj ih2hw/esh is doubled, what happens to its resolving power assuming that all other factors remain unchanged? i;nj)kwx )6h y(be-/ih tt p4: hj2nmrIts 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 1ww*2)wy:jc)csd-is/ 2dd+lc j xredpoint of 18 cm. What lens (in diopters) will allow this person to see disi1+/rj2d:d*w ) -cc sweddy jlswc2)xtant 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. Whm;ev 4h wk9rzxzc5 e1-at power of lens should be prescribed if the glass is to be worn 1.00 cm in front of tez49-m5;xekvr1c w zh he 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 have power of -0.15oo7 qm1s/ jl1l)dvas/jb/ot2 D. What is the person's far point if the o )od1vb/t 7lj2/sj qao1sl/mglasses 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 09l nexs7kp c0the uncorrected near px0 s 709nlkcepoint 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 cm. She places readi 5pit0h+yf4v - ax.b8cq f6ldvex p;2pf l9s:rng glasses close to herb90qvp y48 r6sexfx lpffv2d:;a-p5ti+hl c. eyes, and with them 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 9rjubmh;ga p0fq o-rgy3,2( inewspaper held 25 cm from his eyes, if he wears glasf(0o ,23;-pqabujyrgh img 9rses 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 has74(8-cm birbe 0vttz k a near point of 25 cmk ze m(r8b4t0itc7vb -. What is the magnification 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 of 1obgz86dphh , u(+rab60 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 nearbz r6,ouhdh(8g p+a6b 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 c ;)aw 5vp/vdss2d+8dt(yucn focal length of 7.0 cm. What is the magnification if the image iu/vsds 5cdw a8n )(dvcy +;tp2s 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 magnieuf/tx69 jw:+ck-xl d4s f 5vffying glass. What is the malc wj :5/sfdevtk+ 4-f6x 9uxfximum 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 convergingffp rw:u93f3j8tje.b lens of focal length 5.0 cm as a magnifying glass. Wha8.3jjf tb f9r3upw: eft is the magnification if 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 :zqup h; yc+xo*gub+;cm, 8.0 cm, and 16.0 cm. If you were to use any two of these +;*you+cugqxb zp :;hlenses 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. p(lv i,0vl.- pl1qpzq c2ip .o If you were to use any two of these lenses to build a telescope, what is the lens separation for the -.z iq(l lpo p2,cpv0.1l pqvimaximum 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 lengthgd/ly1ql yx:/ of 200 cm and its eyepiece has a focalql /1g:y xd/ly 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 d:bvl:, g5 foytelescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepieced5gl :b fv:,yo?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs a , rdokw4nh9x +2v.izzn astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal l+ ,4oxzik9rnzwd .2hv ength 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 designing a 10X telescope. If the telescope is limito :f9qi5z: 0l,1 +wxrbilzynv ed to a length of 20 cm, what is the approximate focal length of the objec ,ilnyoxlw 9:z:q v05r1ib +fztive?

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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 objectiv cloj9q3z+hdy .a-ya (e lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood samp3 ydqocjlhz( .aay9- +le 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 r 2a t:b :n(kr,n xpjsqr);nju;1 m,cyqjxs4*an eyepiece of focal length 20 mm, adjusted for acj4s n,;q 1qxrnjr):xm; bysp(:tk jun*r2, 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. ,v)c-.rfhuqr00 mm and an eyepiece of focal length .rh -fc)qrvu,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 9*s8 :zhm*jni0hcnxq focal length of 8.0 mm. What is the focalz0c*n9h qmni: *xjh8 s 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 the constellation Orion has an angular separation ocqa)5 wg dz9 :fbkq*u,f 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 the two s,fd9 uqkca* bq5g w:z)tars?

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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 tajafb +o3u0l q+rd w/y*a:xy/o 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*f yy/bauxorwl+:aa /+3 0qdj 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*3a0 itfs3t mwhkt5v+ 1.5 mm as the illumination is increased. By what factor does the minimum angle of aki *+ mv3tt3s0w ft5hresolution 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 plac,+g4vb v q9mmned into Earth orbit by the space shum qv bv,m+94gnttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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