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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 camerjww9*k zvk)sg8 2 5pgtcmf:7la is det:c *kfvwk8 lz 79tj )g5mwpg2sermined 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 deter1 6b( iesfft73p5wacx mined 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 mcj7kkxjm1d/(k; fcm)ay be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera,jck ;x(1m/)7c dmkfkj 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 wm*)lb3k- 8yu)ts lrgthat corresponds approximately tokg *ltylw rsu )3)-b8m that of normal vision 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 magniffo2-rdx4 5ulj x, veq6y 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 thet*zfydj xou3a l,e2*: film with a wider field of view than that of the eye and through which objects appear smallo*:y xufj*,3ta dzel2 er 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 camerbsy (zja*ofd; /onf ifnqd*(z6sqp2;h ( 1h0ba 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 lightgn:u3 ; j;1 .qkdowwtv 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 bkgca),+ukx,g4vkj9 , ni4 j xsee 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 1fzx:3 ;qqdus an eye 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 eyebalxnvuk-;zcf9zu in)mxc4o .e; +sa+ 9hh+l) yfl is too long from front to back, the person is likely to suffer xf+ o )hn- )+;ccuzzufnhky xme4;si9 la.v9+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 pjjq8 .)v;kwe 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,aug0r57ow wm vc( (mh0ad 2 -omtl30ej this gives rise to a vision defect t ch0 3gwmaalm70mo2(veuo0jt5dw(-r hat 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 lye+ 4k1nzvr )m6nq xy-ikely to suffer froxr6 4ezvmk1yn- )+q ynm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualvwl5x(j:+rpwk n63 ng ly 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 s;cfppjm kk+5iqwdcgt9z / . 9-hort from front to back, this gives rise to a vision defect that can be corrected byiq 9kdzcjkm- f w9t;5cp/ .+gp 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 magnyb8z .j1n3 gzr)4f*ggqwygk d7/ s+rb ifying 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 diameter objek*0l, 8h gqtafctive in an astronomical telesco,t 8q*k fg0halpe 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. Supwq8j 7;(j:2 fp ps xdv.awqz7xpose an opaque screen is placed in front of the lower half of the objective lens. What effect wix vwd.j7qs7jq2wpf(8a; z:px ll 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 t gz3zp;ax5 :zks+*wmn3nh c, 5h1rzvzhroughout the visible spectrum, in which of the following cases would you be able to best distinguinks;* zp+g3ah, wc 1:zzmx5nh 5r3zzvsh 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 b5 v)4byn)ist8j gejy-f*sg,,rpb ;o has 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 thh d+l-adjew7ztv 1*:ee greatest detail when using a microscope* edz+: tweh1l7djav -?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer ffw8.v3fal1s orom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer (nkv *,1z spsrfrom

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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 / kle(49.tzxj yw *i +zjrgq8orefers to 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 doubled, what happens to itss5etb(8ug c) )ina.re: ,wqj h resolving power assuming that all other factors remain unchanged? Its resolving pc 8whb5.gj e n,s)uea)qitr( :ower

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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) wi s7(jge(i2qmo )+iv0mvi dg 0dll allow this person to see distant objects clearly?2vdv) 0qdgs(o +0mim i7iejg(

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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 tha(u4f87h;y0 aaarj gx jn 70.0 cm away. What power of lens should be prescribed if the glass( 0uajfj x 4r8aayg7;h 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 have power of -0.15 D. Wh6sivpd j ;m0 bf:dvm f(;,s4jsat is the person's far point if the glasses ;jb 0pj4dsv if6;sd,mm vf(:s 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 farsightjn esx6;c) yg;9o+klmaf3n-b edness where the uncorrected near p+;xs c9) ka;bn gn fe36mo-jyloint 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. oa 7hovl(1f2 eShe places reading glasses close to herofao(7l he1v 2 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 ccn;4 d3/w datlx1 a-waan read a newspaper held 25 cm from his eyes, if he wears glct1;-w4/3anaw adldxasses 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 10 cm9/ erwhvdl7sq 3 l4qz,. A person has a near point of 25 cm. Whale 9ws ,hvr/3dlqq 74zt is the magnification of the lens for that person when 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 v6hak;cx)ey1u 0x-w wof 10 cm. A person has a near point of 25 cm. What is the maxa wkevuw1y 0-6h);xc gnification 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 focal length 50drx:kn gv9 i9sklj1of 7.0 cm. What is the magnification if the image is viewed b9gdxj k5: 10n9lkvir sy 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 convergi4js-6a 4o0qqphu/f 6yh dh vl9ng lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificath hh46o l/adp-vj4 qyu0f 9sq6ion?

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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 frhk y:*l p.nyow2 o 9-sw8d3zwocal length 5.0 cm as a magnifying glass. What is the magnification if the 9o38 wl:y. zywk hr*swpo-d2nperson'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, 4.0 cm, 8.0 cm, and 16.);; b-ayxc 3 wmlz- ix* grqarx)oy,r:kf;3gf0 cm. If y,rx):3 fxf -mac;;)owrz l 3q *yxrig;bk-gayou were 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 lenses of f),44bo3dv/ c * yh u(qimomqyfocal 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 telescope, what is the lens separation for the maximum magn ,m3yimvqchf4y* o)dq(u/bo4 ification 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 eyepiel,jesug6dc 6 n0vy5 4lce has a focal 5d c s6euvj04 lygln,6length 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 telescoxz 2u;jdoqu9mi- v2-epe with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lenue;92jim-qz dou2v- xgth 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 telescopep7l+2bpml 8y7knzy5 dnn28 ih with a magnification of 10. If the telescope haml78zn+d5y7i b nyp8 pkh 2nl2s 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 telescop9 + hmur g+kj+w5hf:ipe is limited to a length of 20 cm, what is the approximate focal length of the mkuf+r +phh: +j5wg9iobjective?

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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.*k911 i*z gobn-*blfhngboi)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.gb* ioglbo* *9 kz-)1ibnhn1f 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 b0 c(;hlk34o ezq(lihe7xzf4 of focal length 1.4 mm and an eyepiece of focal length 2 el 0fbcqo(xh74ez l 34zih;(k0 mm, adjusted for minimum 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 hasd:bf(n12xf 8c 5ttfyc an objective with a focal length of 3.00 mm and an eyepiece of focal length(xy8t1ct f: f25b dncf 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 barrgmc, frviy7 ox0:m1 a2s3) ijxel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnif 23 1 vca)xisij,07gx:ry momfication 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 cov jd9l 8l(:hslnstellation 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 (diameter)8l(9: jds lhlv 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 res k- 5t:un(skpkolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light usk:k5nk(-utsp ed 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 8sa,bn 71cdzh as the illumination is increased. By what factor does the minimum a a8csb7nd1zh, ngle of resolution change?

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  The 2.4-m reflecting Hubble Space Telescope hat;fnk0jq). u ts been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?t;ut )f0 jknq.

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