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习题练习:Physics Unit25: Optical Instruments

 作者: admin  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  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 theoc p)*qyv wq34y(q cjmm w3,k9 film is exposed in a camera is determined w m3mq ( qowck,y*jv 4py3c9q)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 reachingjh lg75*sa 2a/cp0q:/ xlpjcu 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 may be (z1 a 7pis*)b.-f4 mwzcy pctu gqp0f+varied by sliding the lens forward or backward wi)pg0ib7pf-tfz4 (1acp sy+q.zu*m wcth 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 cofis+n/wdm 40a3 lov2s* n1vga w.zgs(vers the film with a field of view that corresponds approximately to that of normal vision is referred to as avlw( / sn1mg.d*asn3g0 zv2fi4 w+aso

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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 referred to as a5 +apxl+3 ht)jok0p hlhcqav;ft/ 16d

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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 wide q/r p;no7me* /xmh4v/hz9gxhr field of view than that of the eye and through which objects apph z e* rhpn o/;7/mh94mg/xxqvear 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 wayisp. h+2kd 7slkk,6bgs is a camera different 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 light by thky9zw rn /j-n5e 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 eye0pr3l) t+m 6 jfsjzt(l 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 clearly is (,i pco3s xm;rygxu,n ;oj;v6

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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 lo ggeav+wb.iy h ofuc anv,+9t) 43a0t/ng from front to back, the person is likely to suf+ag gatt,v. aifu3bn / v4coh yw)0e9+fer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallovw7s o4fop)tg*e)u6n wlk1 2y 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 rise to e/u;; mfn)3 pb fiu;d -/cgngxa vision defect that can be corrected b)fube ;pg3inguxm - d//;n;fcy 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 fro;cb*c zf; 1zjhm front to back, the person is likely to suffer fj;chbc*z 1; fzrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usua +az0)diu.dk plly 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 ah()w h2ow1vks ap-nz oj2e,7q vision defect that can be correcte p a)s7v eq- (hj1w2nhkwoz,2od 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 g )f1vy qv:fww gb)51lglass?

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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 usaj.(fv fp8g(o ing a very large diameter objective in an astronomical telescopef .f8(pa gjv(o 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 d8*j cznr. ul4uz:w/ wb+ +wwjtelescope. Suppose an opaque screen is placed in frontudzw:uc b8n*w4.lj w z+/r+wj 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 uio 82dcj;b.pna5)e jlniform 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 lje8c;)dl2 ponb.a 5 jiens 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 hasf7c6 :udpl; (wv1hj oi 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 ablhg*ncz l fh 6j5.jq5d(e to see the greatest detail when55z . ch jqf*ghjn6dl( using 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 suffer filts8s5 ar6du1-i h*arom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffi laio n3-b374o4cbax9rp, vcer 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 the2z xh+ i7+tbjs 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 doubledkd dbkl rskb( 09 cv5mk*r8ps. qhh;(8, what happens to its resolving power assuming that all other factors remain unchanged? It h0 pr8(bdcrd;v9 kqkh5ks *( sl.8bkms 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 pointouiw*h (zo94 g dm3it9 of 18 cm. What lens (in diopters) will allow this person to see distant objects clearly?oziiu9943 tgwdo*hm(

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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. What power of lee uy:hh2hgu(8ns should be prescribed if the glass is to be w:(he8h yh 2uugorn 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 wea a1 wt;(sb w58vyhvk(ars glasses whose lenses have power of -0.15 D. What is the pers ;ahybw5a 8svv (1(ktwon's far point if the glasses 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 needed39ud-:kp 4oi +vllivk to correct for farsightedness where the uncorrected near point is 75 cm? o:v-liui+k9p4vd l k3

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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 c7jm-1df67k u/y e zbpum. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is ru61k7 j7b- zdumf/eyp equired?

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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 vrn szw6;s1p725 cm from his eyes, if he wears gvs 7 sn;6rwz1plasses 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 focahmr/.(us+mr4 j cyt1zl length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person wcmtjr +41uz /(.hyrs mhen 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 10 cm. A person has a itkf/r) -s3n2t+ pmqtnear point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at+)mtfi sr3npqk/ t-2t 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 the magnification if t: ,,va ykks3-2tzyigihe image is visa:k,-v32,y ii yktz gewed 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 mag* tpv85jbl uw:tunf0r ;h d-o8nifying glass. What is the maximujo5*-t;:lpw 8hf8tr 0 nbvu dum 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 )w : /dbyhanjac5)oq19mpll8 focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye iod j:la p/w9abn8yml)51c) q hs 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, f 2- w d4uuhgryzvwuw7-v49)m4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you cdz2y -)wr v4m-uw fuug7h 4wv9ould 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, zl5e 5 oa*b.ndand 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telescopeboe*z5ad n. 5l?

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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 telescopeuz vq2h)xx8m 2 has a focal length of 200 cm and its eyepiece has a focal2q2)xu 8vmxhz 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 8oua( bl1qxiv 6 2ezygj2qw.8 astronomical telescope with a magnification of 10. If the telvw2l az1q6 yue.jb qi 8gx(82oescope has a converging lens 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 bd jlpe(l, .2han astronomical telescope with a magnification of 10. If the telescd ,(p2ljl heb.ope 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 designing a 10X telescope. If the telescope is limited t /q u0ys 3;e(a4npgaec (a0iibo a length of 20 cm, what is the approximate focal length of the objective? (apgqs3 / aciei40y0 eabun;(

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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 an1nyuty3z+8 r s eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objy3 z+r1sytn8uective. 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 1ahbot((g)mjx (1, mbv .4 mm and an eyepiece of focal length 20 mm, adjusted for miamvm(1hj ,g (bb tx)o(nimum 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 objectiveocd1 ng8v+n2 x with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total mag2doc+ 81gnxn vnification?

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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 objectiiq:(bltm b *g5ya 26gw,q,xb*,po rkave with a focal length of 8.0 mm. What is the focal length of aq:56,i*r(bgo *ybq,k2g , mp lta bwxthe 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 tvf1k9x bjtzg 0b f9n+7he constellation 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 (diametebk jxbtg +9fvzf7019nr) 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 microscopebjk a3.ia.h.zt :0jos 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 diameter of tjhs.tak 3b .oz.ij :a0he 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 perso8kkta :5hx n3 s.dl+kos/zz5cn's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does :5k/z3 lx s8 ck+.t noh5aksdzthe 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 Te4d*t 2swy4)iynifu; pe m) 7iolescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope se)f p7 t iy4iy)owim ;ud2n4*achieve if the wavelength is 500 nm?

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