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习题练习：Physics Unit25: Optical Instruments
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 作者: physics  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 aqe;n(ckdan g d7, gx5n6+; oicnd the film is exposed in a camera is determinediq ;g6oc(eg7,n5ka; n+dxn d c 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 du:2d+(lc w-eeb*u1jlpu05xel qzs *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 lenst f )ric)r34bwmy.:8q *h imqd-film distance may be varied by sliding the lens forw tqr.mrd bc4q* wfihm 8)i3y):ard or backward 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 filbyzfgq otcr+0-x2 s*2m with a field of view that corresponds approximately to that of normal visirzb yog2+x sq- *c2f0ton 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 magn2 )e:wqqlk8dmk(9kinify 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 ofefo 54r-wnc8o;le3 syxy* m ,j: 4ypbw view than that of the eye and through which objects appear smaller is referred to ax3-5yfl4; o 4yycr8* j:s,w eeonm pwbs 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 the human2nt kp28c i (x9lvc 6l4zudkt3 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 oflpt*pxg nnmf: 6-yg5wia6( w 5i/4xli 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 se)j 00kbij x-zte 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 9s j(7j0mmxr2vv4gbi 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 too long from front to back, the person is lilcus) .hdo4)d z;jc d7mcal/.kely to suffej7ucdhad;) cz ..o/4dl )cmslr from

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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 correctef82 w55snlftz d 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 s7fi :-llcc um (p02silong from front to back, this gives rise to a vision defect that can be corrected b- cfs2i(7c l 0simu:ply 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 tob ;cut91-yf -qdzy ku4o,8tmt suff,t kcz -u tyqbf-to819y;d m4uer 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 corrected 2xs ryq3fpu8zx mz, 00c8r0av;k u9wywith

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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 sgw8 f7r vvzpqr9 *l18whort from front to back, this gives rise to a vision defect that can be corrected by usingrqr1vww7g9*p vf zl88

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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 glass?,c.8kcn p2zp2h xt: *1ldqxrd

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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 diammdj:2j aej-o vopl*1r, o1q*y eter objective in an astronomical telesco1eod ojm,o :ya-*qpl*r2j1jvpe 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. Suppose an opaque scxwjk,fay k.a)7*gw f6 reen is placed in front of the lower half of )*,fkka w j.a7 x6wfgythe 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 hasm*haox2cu,0 (q n;uq.k9xen v uniform 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 9xmu qo(k;huqvna., n*x2 0cethe 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 has a magnificatijcej+ig 9v 7 excz3u4i 1jka+-on $m$. 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 desal1rzoza.lezzo .b5v j+/ k)y(/ t +rtail when usingyl rs a( +kozz.at./e5ov z/)b+j1zrl 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 f6dlcxq0 -0cq:n z z2htyf+ix,rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro ejw0 x :ive.8wptg-w1m

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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 toi p z;.d.dlrfghd1(-d 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 rar-00nas0h lucc(mz pa 824tlvdar dish is doubled, what happens to its resolving power assuming that ala c8(v04tarmnz lp20ch 0l- usl other factors remain unchanged? Its 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 point of 18 cm. What lens (in diopters) (ltwkn h+*- cmwill allow this person to see dist k cl-+n(htmw*ant 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 lma654rbm8 we;q. unca ens should be prescribed if the glass is to be worn 1.00 cm in front w um m5;8ra .c46ebanqof 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 af2 e v*6gnvk5power of -0.15 D. What is the person's far point if the gg5k*f62vne va lasses 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 correc)hhspcn8ha) -n xv2 i5t for farsightedness where the uncorrected near point2- cip a5hxn h)8nvhs) 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 100 cm. She plac gr sa,*/dce,tuz4 ezyo 4xl()es reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What,zzylxs* ,( re/ tcu ge4)d4ao 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 eyes, if he w8m13u w;/ ,fyrwsrwfw c(b w:years glasses yw 1wy3(wub;s fr:/8mw ,c wfrof
+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. A person has a near poininibwsal2 /g:-:ba1uuhv,*dyt k,l)t of 25 cm. What is the magnification of the lens for that person when their eyes ar h2td 1bnyw ib/:alga,k )uuiv -*,:lse 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 near point thx3btx9ep/(n (2njws5/rh oof 25 cm. What is the magnification of the lens for that person when thx5/j(n/ x btwr9he (st3pn2oheir 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. What is the magnification if tq5q0e7g*gnos6gpd a go 6m4 38qpvkm/ hq68gdpmp o5 4m7*6aggvkg es q /q3n0oe 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 cdre7-fpgfo2p l7.z:e hk8 yo( m as a magnifying glass. What is the maximum possibr7yz k p-(l do.h2fe87po fe:gle 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 m7lu,e:m py6k0 mjii)3xxkx+tagnifying glass. What is,p+xxl603j kym7: )utkx e mii the magnification 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 lens (bspm:gq/q ,pes of focal lengths 2.0 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 maximumms pb/ qq,g:(p 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. e 7hfxt t)0l)c If you were t0txthc l f7)e)o use any two of these lenses to 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 focaq cz m9:mbo7t84r.lhn l length of 200 cm and its eyepiece has a foca9m4r l8zbtnh .mq7c o:l 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 magnificatijvui3pq6 kr(vs,cvy m:xhdu7/w: ;k8on of 10. If the telescope has a converging lens of focal length 50 uvqp76k dcjk/r8v :sw3v:y uxi,h m(;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 0 r1rligh:c 45)tubuo magnification of 10. If the telescope has a converging lenbt:h ui5ugo4 0r1rcl )s 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 mtwu, mga)qyp07mxaa-94cq2a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objecttc w-mam a 7a4)gpu ,29ymq0xqive?

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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 eye5a2bumzr uf)tq)0;h a piece of focal length 20 mm, adjusted for minimum eyestraiqr ah2t 0u azm5)fu;b)n. 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 objective l6vl,1 l(rdvzp0nb kw cr)zn:0 ens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1: lp,01bzcwrkl 0z 6)dnv rvn(.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 lent 5 gv);uhgr )an6(quhgth of 3.00 mm and an eyepiece of focal lengg)tq an hvh;r(6uu5)gth 6.00 cm. If the two 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 with a foc,0;z aovopwd+f 6e5 6 rh9raxdal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification o,;oae z6dxw ro r96p50dafh v+f 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 ile32jzf ,/mvan angular separation of 10-5 rad. If the wavelength of thevml2 ze,f 3ji/ 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 raj z.lr2 rz5)besolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of ligra . j2)5zlbzrht 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 mm to 1.5 mm as t)e)a 1q/.dk;x 8rsil gb 6exqthe illumination is increased. By what factor does the minie8;rex t)6 g/sqld kax1qbi).mum 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 T/ vn 9ot.z 7+ b.hm9kyinlai0eelescope has been placed into Earth orbit by the space shuttle. What angular resolution could /i7on h09.ykemzb.+ 9tlanvi this telescope achieve if the wavelength is 500 nm?

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