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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 s:ih:g 5mjhg h;hutter is open and the film is exposed in a camera is detej;h:5ggh hm: irmined 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 camj00ri4g m n r+sh9zgkr.)yy/kera 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 ss/ t cb*2g0hi.ir +ntdf:vn2p liding the lens forward or backward* b.ntt0 n/sv g:ihcpi+ dfr22 with 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 approxw( l. ,t kfy q2)/c3sm 5iaqdqpp;8vftimately to that of normal vision is referrp;f)2dw3t/(q. k l8s,iq pcm5tqavyfed 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 te f *pgi0q3oiilo7o5t awiu u,)0d.o,wlescope 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 v,zm zuta xjgp-qta 8o3wqbt6/q*1(j6iew than that of the eye and through which oba m(j*auz,q3tt6to1/- q8pxjg wz q 6bjects 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 difx -ekgt 8xh,c (pb+l kk4uf*i*ferent 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 refractio(( adcj1iw2oijw*v -o 1wvl c1n 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 ob5qdnxw,f15octs(;g mjects 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 clearly +.f mym/0c0t:g.u3lajl a5j *i msvht;rvcz;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 l4lql v4(d1 9yj n4p0atw9sr xnong from front to back, the person is likely to suffer fromqxyp91d rt l wavj4l04 n9n4s(

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallyv .vk)c/fr oj:,+fuw b 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 bai,+8 auiiu 2e ci2lze)ck, this gives rise to a vision defect that can be coeuz28)ia+ u ei2i, clirrected 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 short from front to back, the peu3kh+ror 6 /jprson is likely to suffer fru6r +k j3roh/pom

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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 correl39h47da r djkcted 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 t)h4a tgr)-yxyi.ki7r, zf .koyi t; )soo short from front to back, this gives rise to a vision defect that can -y,. zyt) g); oifky.7rs 4x)riah itkbe 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 magnifying glaemgdw md, -tuz)63yi 2rqc*( fss?

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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;ttfh qdo84x:ai* dn5 large diameter objective in an astronomical teq;fdiah45n dxt o:t *8lescope 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 telesc nptqr)5w15/ iunxmz; l+- oivope. Suppose an opaque screen is plw-/nilt1;m+ nzupir5v x)o5q aced in front 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 1ns.x(b d a*wruniform sensitivity 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 objective lens of the telescor.nxa1db sw( *pe 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 b3 qbb/lwcf+ .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 gremt44-f7k vedl atest detail when usingtlev-4m 47d kf 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 sufferqiwax7o2h.ik(i ** gs from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf fezu+tuu usj no*r7(vr 9001dfer 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 the ability q3tx* ouh 9el1znoz./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, wvn2x4 brywltl5t307nhat happens to its resolving power assuming that all other factors remain unchanged? Its nrvt52ly0 xln734t bwresolving 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 1wsp8q,s r;rz ;8 cm. What lens (in diopters) will allow this person to see distant o wr szqp8,s;r;bjects 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 awq*edjd +nh0o 8ay. What power of lens should be prescribed if the glass is to be worn 1.00n h qed*djo08+ 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 power of -0.1qyh6))p wh;t d5 D. What is the person's far point if the glasses wqh))p d;th6y 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 uncorrectss,3 bycvu:b6 l*9hfmed near point i: *m,bhvs us l6cfy39bs 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 reading glasm3 2/la wpr2nmvh6we;5whqk2iii ea)zw-r 4+ses close to her e w/ae i2;2q v pw54ihwzelr+k2)ir -w6hnmm 3ayes, 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 newspaper he j(3 d p2ebsd/dyd0 tvr*wd5a6ld 25 cm from his eyes, if he wears ge3w2ry6 sj dt5d a/bvddp0d(*lasses 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 1 qz(zkjz. h/4f-gtr 4kjgh)t10 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 / .khh gjzrgztq44fz)-kjt1( 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 person has a near pr-fy/m* r;ietrh-*f,tkf:g ; xkz5taoint of 25 cm. What is the hk teft; zki,*/gya* mf-;fr- 5rrtx: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 ;czs(d ktn3n k.zydi73pmbst 9-7e)gfocal length of 7.0 cm. What is the magnification if the image is)tk7-zm k3bzs( s3i;7 ptcd.nd y9gne 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 lengthf 8e ef1.fyn4grvpn ,t-2 ux-h 5.0 cm as a magnifying glass. What is thenpf,2gvnhfy4 e1r. fx-t8- eu 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 conve 3znxa-c5ay -srging lens of focal length 5.0 cm as a magnifying glass. What is the magnification ia 5naycsx--3z 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, 4.0n8kmkdq/2 .7 gx uam37pl-phx cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is tkp/877paxd.n2mm uqx3- hl kghe 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 u.hani2+ec-*z.dxr p 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 telesc+ue.rp -cihndx2. * azope, 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 cm and its e lq8+ f-j)mjjmyepiece has a fj l+)m 8mjfq-jocal 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 telescope with a magnification of +e- pd*sb*8mjoyou n( 10. If the telescope has a converging lens of focab8 op+e*u*m y(sd-j nol 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 teler*hh81(g3gmn;i yw fz;j jox(s ga+;oscope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the 3 y ;+mg;ogj1 zgwxi*8fj(s aoh(r;nhtelescope?

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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 uiq ,dmsqc15kk.lrre--q 8 l/ is limited to a length of 20r r.5k8-, lesqmdu-c/q lik1q cm, what 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 eyepiece os) y2*+fl0x89y3ags bqui f zpf focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plac3 *+i8p 9b l0u2sgyfas)qxyzf ed 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 znn/ve+/q 3rxiyvnf+wt3. s 4mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm 3v n+q/ 3 sirnny t+fz/.4ewxvfrom 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 len0ogu e+qhfc rft1+rrlq :hqq..(4,v j gth of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separateq olq qeh4g,rru c0+h1j(: rv.t+.qffd 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 +4pj.,w fhs rxu9k rx)18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 2xrw .f4 r p)s,j+hx9uk40?

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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 constellatifot2s 4b9v(ko(; pxg v2mrjf 3on 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 a2 v;jg 4ovx(t f p9kmfb(s2ro3perture (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 rtddrri2.h7 o dpxpfudg 4dh +i47z /7,esolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengtfgu /d,p7dzr poiih7+ d x.htr4d472dh 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 3.5 m,/7h p idxiyn2m to 1.5 mm as the illumination is increased. By what factor does the minimum an7/ py,ihxi2 ndgle 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 n3(6 xfw6c/ k v0,ciyuvpzl*wplaced into Earth orbit by the space shuttle. What angular resolution c 6wc / c(*n,ylf0w6vxkuip3 vzould this telescope achieve if the wavelength is 500 nm?

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