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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 fisczovp)qp.+mh1 3 7ihlm is exposed in a camera is determined bic3qp m) svho+ h.z1p7y 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 dete+f+3o 1dtff/w6: oipmvj cmz*rmined 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 reflexgcu) d-yvl(/c.f6v su camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtaiv6l(.)d v uuc/c-gys fned, 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 app /dllbvn*o61 p.eqb;s(gh;x xroximately to that of normal vision is re(e hqs l.v olxnxbd/g6;b*;1p ferred 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 telv1*l5 5 gwirttodh /s:escope 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 oi2 tly )+plt2ur)xpx0h.j2t the film with a wider field of view than that of the eye and through which objects appear smalle u)rll )txp t2jyt0.o+x2ip2hr 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 different from t,q:nmv;) u x1ag+srbx v4aep9 he 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 refracvty zz3-h z2yiirjzd c a6.z6z(+3w -ntion of light 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 which an eye can see objects clearly bclg01wd7w/ a9ffx3l so1i8b is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distanc f u/ .27l:clsekee:bne 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 is t;jb +7jk xoxg)oo long from front to back, the person is likely to suffer+ko gxjbx; 7)j from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usue y)u7lv53zvxally 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 2 n )xaknq*77khjjdt,a gv 6e.long from front to back, this gives rise to a vision defect that can be corrected b.kg evh a j,6* nxajqn27t)7kdy 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 to back, the person is likely to sahd9cer u ), j)rdml(oaya248 ufferoar)c2rauje hadm )9d 4y8(l, from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu d,jd52wyrp0 ually be 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 back, this gy k2wej4rs 2.te/4wusives rise to a vision defect that can be cor4u.wrs ys22jt 4/ew kerected 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 t )8h3.q;xyo rpti tr5magnifying 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 j0vaph).s)+q v upc,uusing a very large diameter objective in an astronomical tuvhpj)qc0up) v,sa +.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. g+9e9djnd i 5lb,sb+r da93 om Suppose an opaque screen is placed in front of the lower half of the objective lens. Wged sd9d 3mrno99 i+ 5ajblb,+hat 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 sensitivitqemt at+jr5g5 v;o/ aj2nu-v; y throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars?ov j;a nrv/255uj-t t+emqag ; (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 telescope6ezz-0xx, l1wkcd/e t 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 would you expect to be able to see the greatest detaink o2xql8i5i +89oc5m n/)jlt:jel t pau s*-wl when using a micrk5 8q jtso95l-*aln8i etlj2:/mu+ pni x)cwooscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromjjsk7me4r4+v/au r6 t

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frkyp,4 fuj7s/cmsb 4m79) w cxbom

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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 refeyc+neh-3i ww asq n*kll863 )yrs 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 :yaj0aqy(oo8 radar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resj :a8y(oq0yao olving 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 pointkop+f/6n (ujjd xz(: e0zy0ex of 18 cm. What lens (in diopters) will allow this person to see distant obj:uxx(jf/py6z( + okjn zd0e0eects 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 clearlr3vbg2 tm-r7 oy objects more than 70.0 cm away. What power of lens sh-v7rbgr2 m 3toould be prescribed 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 have powed9qje1qs.a ,z r of -0.15 D. What is the person's far point if the glasses are very cs 9q az1jed.,qlose 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 fhu 2t 4gwk9al/j1)z wzarsightedness where the uncorrected near49/ul2w zzk h) w1tajg 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 .uhs7,q9qjwbj -y-lr100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspapejq-7hyurbs j.-l q w9,r 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 njr 1w5ch3pwm.: /d05ilyd th oewspaper held 25 cm from his eyes, if he wears glasses of.m wrdjtcl i5hp:3ho1 w0 d/5y
+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 focf/lspny6(nm ubkk 65)al length of 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 focuseysn6 n 5b(flkmup6)/kd 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 of0jvyi;t i:(r m 10 cm. A person has a near point of 25 cm. What is the magnificai;r(j imt v0:ytion 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 7.0 cm. /w9b;wojqp*f r91f s u What is the magnification if the image is viewed by sbp frw9 ow1q/;*uj9f 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 x f jwm7+w)cj *f)qjs 0:dndujiu.-e1 as a magnifying glass. What is thece 71:di0wjj)u+ )jnq -md xfs ufw*.j 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. x3ac +4nn hce.What is the magnificat xn.+h 4a3ncceion 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, 4.0zxp+ewf0 cz) )ca0- 8qj 0gamp cm, 8.0 cm, and 16.0 cm. If you were to usefc- w)gc+)z a0 eqpza 0x8jmp0 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 dv647zx)v+fxi r +rogof focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum mag+v x 7d4)6zgxrorfi +vnification 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 rd c (/9 uh0qr)xfnl/chas a focal length of 200 cm and its eyepiece has a focal length ofurx/nq rlc(d0h fc9)/
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 ast3 -u tqjc7pzq:ronomical telescope with a magnification of 10. If the telescope has a converging lens of focal lengtzq:7 j-3ctpuqh 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 a:5s. 9lclg6 /vgef eix-qwp6kstronomical 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 g9ie.llek g/-56:cfp 6vx w sqtelescope?

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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 telesc01q f(kxv2)deyw.uux ope is limited to a length of 20 cm, what is the approximate y(u2f1.uqxvek0 w)x d 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 lengthmu/ dd7t+:) -5qevtwtqof dd 2 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objectd t2e-57dott uv+ d/dw)fqqm :ive. 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 an eyepiece ozi,vu dm.-0e;iuh*nt1j zvse2n 1:w wf focal im e0nu,:jt nh*vds;v - we1zwiuz12.length 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 ;i7goognq/(4h5,.8dji/g kospsf 6x, q ofxz length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the xqg, o psko54gdo6.g /ofsq hj(x7 8z ;ii,n/ftwo 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 qp7 duxo0f92 a.gz7u 9 plq:jvwith a focal length of 8.07u.d q792apz vjf gx0lo:u9qp mm. What is 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 the constellation Orion has l7 x-pp5wpp4uan angular separation of 10-5 radppx4l -p5pu7w. 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 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 vyrpkdj4opw gxy 2wwr.3/b6nx)y 2 ,* 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 the objectrbxn/p2,3o yy prvg.6w* y 2kjd 4w)xwive?

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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 diamet/ k a.u0tmqd2ik9c2pker of 3.5 mm to 1.5 mm as the illumination is increased. By what factor doemk2 .9 tiqkp2ckdua 0/s the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has been placed into Esa-usoe s+3yqgp d n0h:17 ;og9do-c warth orbit by the space shuttle. What angular01p od;a wen-ggsq7s:udh3 - 9csoy+o resolution could this telescope achieve if the wavelength is 500 nm?

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