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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 exposed in a camera 3y/ :10 nj8(uxs mowljczgmd8is determined m0sj/8gm zx 8(onl:d1uyjw3c 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 reachixqg7wj5wsz7 16ddv4mo- e0 v.a f1 ylgng the 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 ma (qc t-cwbn 7/ 8zsh0/mtf2rlky be varied by sliding the lens forward or backward with respect to the camera housing. If, with sn/c r-zwckm0f(t l h/q72s8 btuch 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 cover9 ounwec8st:9j4mwr7 m,uc h9s the film with a field of view that corresponds approximately to that of normal vi u94,eu7mwc htno :9mr9c8wjssion 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 magnify images is referrn 8)pnp;8e p+arhw/uf ed 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 oxu)n in;z:br.:+ k jdthe film with a wider field of view than that of the eye and through whi r:.+dkox j u:bnn)i;zch 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 different fro sj 96.npby:x2gvww c6m 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 the eye ,q,p7sg d(gyn 8r t9r hv,z6ctoccurs 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 whichbm 98 (upy3yee 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 sem v*kkxc r8:y6 2ku(sae 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 4 tf 86ryhqp1p2y/qqe is too long from front to back, the person is likely to suffer fro4rfh6 qy8 qy/2ppq1t em

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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 correct u-d8w *8 jxpxtud8qg+jco4q 2v1i/yred 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 fro);y ybg )kov( cemg (hxw4bk)9ylk:o(nt to back, this gives rise to a vision defoelw b gyg4 :;xk(kyco)(y)9h )vk( mbect that 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 short from front to back, the person is )1q foicjjhc-:lq lq(gqv1) (u vfn ,-likely to suffer v :qlg)f-c , oq)hvl(n11q( uji-j qfcfrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualu;m++wvy8tq975r bxlx2 ai k ruewp1 4ly 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 gives rise to a visiobb)bv v5soc8 4n defect that can be correctbsvc v 84obb5)ed 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)nz8yl,tmbe9:yhj 3e ,2ebr ac( x 9nj magnifying 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 diamnbqkv61 1bdb*owb 7 795iq8(eqnsseneter objective in an astronomicalq se9i(b 1qvnq5s 77b6*nw8d1b e oknb telescope 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 refrac4w8lfi7u)+ --i vl z3pebzrlelc3p 6k :w/pfjting telescope. Suppose an opaque screen is placed in f+kef8jl /plw3r3-u7l4fz )pclwve 6 z-ii:bp ront 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 uniform sensitivity throughout the visiblaftd yrl .4h1jdl613t u/v5fre 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 telescope us153l r6fdtu/raf4 j.hly 1vdted.)

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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 maz l8 7qo9 +/3pvdqfcsggnification $m$. 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 ,s nbw 0ldiq, vs9y-;ysbw9m5 to see the greatest detail when using a microscopnwy 59qdbs m;swby90s-liv,, e?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fuk2 20 .bv0w b6gb rrqdhq:i6rrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro4 f0z(qdkvbb y ktsm0f:uy:,.m

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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 t ipl ed i4ht(of*5k8r;he 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 radjq 8ed:jd0civ-6xt 42wjxyz *ar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolvingei2yxqw*d 6jd: 0 ztvj4jxc- 8 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 lens (in di0oya;ta 5s7 qiopters) will allow this person to see distana7i5as t oq0y;t 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 moregaqhj ommkxd) ,p8z(.j-o 48f than 70.0 cm away. What power of lens shop )mfj4-azoj m(d,k oh8.xq8guld 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 lense y(mc bjb ;ztf/r.x8ner s8(+cs have power of -0.15 D. What is the person's far point if the glasses( meztf. c88yrjb;r+(/ xscbn 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 farsigsnpx- ga : e:o462 r,;ajtvmzdszsl3,htedness where the uncorrected near point is 7r2 3 sge6:tnsa ;z :- vsxjp4a,d,mzlo5 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 farsii +ok(kot+:c 9pi/7l b 2.v.oxn rvahsghted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortabl(7kbc i p+tor.9ax/k2 lio.so+hnv : vy 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/v)m;rt rumyzk 26coe,b7,pf from his eyes, if he wears glasses ofk2 m ozt 7recbp yf,ru;m/)6,v
+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 fd q z,q.q1/vfiocal 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 eyesd 1i vfzqq,/q. 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 foza**43dqt)n b kb b*pocal 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 eyesd3)b** bnb*p4zkoqta 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. What is th/ d7;eu*y j2nnqyamb2 e magnification if the 7uqe2 mjn;bn a*dy/y2image is 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 magnifying glass. Wlq*u q,)re: rkhat is the, uq)rqk*lr:e 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 myc htqady:azt*;3- j.agnifying glass. What is the magnification if -t3 d*.a;j:qythz ya cthe 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 5c(7dgu7fr a0 u8cw1i n7klrilengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you d71 8ac(uru7 nfg k wrci0il57were 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 l xu f i5e5zdyj/.)nk.uhxv0d ;enses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses touh5 uy5x ;.vxj i. k)0/fdenzd build a telescope, 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 4(3q*ag,s5dwqs)y xcsc 7 ag3t4 euuvlength of 200 cm and its eyepiece has a focal lengss x5qvwyc 3g,qta4eca7sd 3(g uu4)*th 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 astrono.( tjfvm9d)r bmical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 c(bj9) m.v rfdtm, 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 10. If tycx1c/2l3uow8)tf sk-g/:d dod;owg he telescope has a converging lens of focal length 50 cm, what is the resulting length of the tele/3gwy-od; fd:8c d/uw1s to lgckx)2 oscope?

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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 3- x j c*wj/t-a;fvck-madi+gja5jj +to a length of 20 cm, what is the approximate focal length of the+j-ig +aajmj wc35*c atjj kxv-f-d;/ 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 mu kr,*3h8l 5ekrkzr5lm and an eyepiece of focal length 20 mm, adjusted for r,5 zklr5ku*ehr3 8lk minimum eyestrain. A blood sample 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 objl;rexx7fg-b ,ective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm frl7r;- f,begxx om 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 foca 5k-9e1qrhgxsu8i v b3f7w;zqq/ *q unl length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are sep;qixqfsk* 5u9 / z8q eqr3bwh vgnu1-7arated 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 v .27 zjtqh2glp0p7v(ozx-d s2v:bs oobjective with a focal length of 8.0 mm. What is the focal lengt ot 2. zvo7s2qj2(pxp vgv0zb7-hsdl :h 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 constel8uwd 06n1ygono39b j +tdyxw,auo* f +lation 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 aperturea o0o* d6n38y+fju xyt 1owb9,dugw+n (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 microscopelju g st.*:c(n 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 ligh*jtcglns . u:(t 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 chaguh *)uow;0lnfa08 h2npj8i z nges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mi ahjun8pz*g0 20now; u)8ihfl nimum 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 Hubbleiq+ ,nov1wi1v Space Telescope has been placed into Earth orbit by the space shuttle. Wh+ 1vo1, qinvwiat angular resolution could this telescope achieve if the wavelength is 500 nm?

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