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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 cat8;sohm /-juy t3tc 3wmera is deycuojst 83/ hw3tt -;mtermined 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 camera is determined b38pzc)3nh* n h)wuwuay 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 distan9r9,f3lc.dgpnm+ uak ho u4y4ce may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picty9 u 3g4hp.r,+u of4lac9dkmn ure 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 f wt-5+o hpcc3a fbvnu2)x75clield of view that corresponds approximately to that of normal visitch3c p- +fluncoa7)5 bw5x2v on 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 referr 4 vv -n2o-y3*kppj35ikjb,b0jarofb 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 the film with a wider field of vijy d)qb9q m5o )ku19lwew than that of the eye9 ok j)qq1bld9wuy 5)m 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 follo a1* tdnf+*g93ed;ppos- gsjmwing ways 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 the eye occjumwx6ov: s wky27hw x,,k(/ours 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 atw4gel7emp );)t 6s hun which 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 s5q ayxj);0huewy px9 3ee 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 too long from front to back, the person is likely t4,l4ao2jgbextgw v*:ql2ip 4nvu:l/ o suffer t vu4 4pwbnv :qjg ll:x/iao ,*l2e4g2from

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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 correc 2meza2u4ua) .nrg9uuted 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 ba)yv 3yj +7ixaxrpn.hi92. krlck, this gives rise to a vision defect that ca) ix9 +l rk.yvrx2aj7 3hip.ynn 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 58y5 itutxv;:-1vbjt hsjs 3eperson is likely to su uy-jest5ib5;: v xs38jvt1th ffer from

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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 c.*w utwq66x f, ep2t2yf abyz9orrected 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 v.8/w,zistr tm9 nao (-dkxzh8ision defewimt-,9 /8ns.r8 (o zzxtahdkct that can be 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 a0(8l yawgeauwm67d 9u 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 diamet)me bzj *op-p.)uo+moer objective in an astronomical telescopmo jz*e.m-p))upo bo+ e 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. Suppa( j pqriwdbw9:g/r2 8ose an opaque screen is placed in front of the lower half of the objective lens. What effect will this ha:rw(pb8w dg2rqai/ j9ve?

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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 thro7:2f24w2r ozecrm rgqd95pag ughout the visible spectrum, in which of the followinp 7fr2za o:g9g2 rrmd5cwq4 e2g cases would you be able to best distinguish between two closely spaced stars? (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 telescope hasu (si/;b-o d6mr )fcxip1si 3s 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 greatztuxr. n 7h+.zest detail when using a microscoh.x+rz7nu zt .pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from -8nl9c6edyf05jts qq

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frbtl7a k8. .qpgom

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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 tov+3 d- qw*gn 79lpxuy 4b2njvo 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 dish is douol io zt-72zma12:ldhbled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving powetz- lod2 ihm21oz:7l ar

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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 diops841 (y l myjeb8hg+erc )r-gx v-qqn4ters) will allow this persr( 14)8re -xe + h8n-yjlmvgybsqgc4qon to see distant 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. What power of lens /p- e n7mxkyl(should be prescribee7 /n mpkx-l(yd 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 haok/u/;mc -:lq /lhy ykve power of -0.15 D. What is the person's far point if t/k ly-koc ;u/m/ yq:hlhe 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 needed to correct for farsightedness where the uncorrect e9:kxz*c2vkp ch;;qyeu w 4j1ed near point is 75 j;;ex4y 91cczh pqwu:kv*e 2k 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 fars472l z(jevqb18lqm5lir( 2mlpyx +zmighted person is 100 cm. She places reading glasses close to hex 5lmq2p17 m rz+q4zl(2me(bj8ll v yir 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 newspaper held 25 cm from his e7x-t 3as yih3eyes, if he wears glasses 7yai-h33xsteof
+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. Akh dn5u3 3sl/3ypa1elpo u9f/ person has a near point of 25 cm. What is the magnification of the lens for that person when thespdfa1he 3lul59/o 3pk3un/ yir 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 af+1qgpjj-9 5njrq.h m near point of 25 cm. What is the magnification of the lf9q -hn.gr 1j5qjm j+pens 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 b(l8 tf bv,lq.of 7.0 cm. What is the magnification if th .blvf(tbql8,e image 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 magn.pneaxupfg7;;ekrq r7 1 * nq. vxn;6xifying glass. What is the maximum possible ufgx76en av; qpx; k;eqpn r.*n 7x1.rmagnification?

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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 lez . av19ryn +mro./pgxngth 5.0 cm as a magnifying glass. What is the magnification if the persog1yrrom/v. .x pa+9nzn'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 ykm0t em c71:fw r.y9 yhbxg/)cm, 4.0 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 could ac rm7h) 1c/9ybyymkg x0tfe.w:hieve?

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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 (no2;n/m j odw8inaia;f 47z ocm. If you were to use any two of these lenses to build az m2nfia(o;ia/8wn d;o 7jon4 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 length of 200 cm and its eyepi 6dkl ehuom/*)ece has a focal length ohul kdm)o 6/e*f
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 we2k3 prxai-z)xyr c)wo:, 9prith a magnification of 10. If the telescope has a converging lens of focal lokcay, p-r) 2zi3r): 9r wxpxeength 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 telescope with a magnification of c zj:p,409;vunwq jftgdw7j810. If the telescopjd :v 78t9w,wcfu z0nj;g 4jqpe 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 t*eb1hy7*0l +db zdogo elescope. If the telescope is limited to a length of 20 cm, what is the approximate focaeog ydbdh17l **z0o +bl 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 of fo j-e/l2zph( ab65wejvcal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective.b2jevz- hpl5e a6w (/j 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 ofl947ql rbca hm b,hy(:s.3r fs-jdcy, 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 from the objective. m d r7ahc qlbc b3(sy .j-,,frs4ly9:hWhat 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 focalelr11xz0mi0fa ,nz5 n 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 magni ziflx15ezmr1,n 00na fication?

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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 e05zv1*sxi sak mm:8j2hh :f lan objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of j:h :5*xkf 08 eissmavm1l2zh240?

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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 ao yri*tju9; 0ungular separation of 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 starsyr0ji u*u9;ot?

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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 resolve objects which aypsb;ptw..9 q jxyi 31i7rp 0cre 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of l pi;rp jwys7x .9cyip0q.1tb3ight 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 hboe6 +j2br )bof 3.5 mm to 1.5 mm as the illumination is increased. By what factor does te)hbojb6+ 2b rhe 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 Telescope has been placed into Ea v./4i2zxyv:gnwji1 yk4s-6 g3kry xq rth orbit by the space shuttle. What angular resolution could this telescop isq yxgjv 4v2w/rizkxy y1g6.4: 3k-ne achieve if the wavelength is 500 nm?

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