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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 is ifey:8a6di ( udet ei8f u:ayid6(ermined 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 f7:pi3 ry -oyd kn;c;cwilm 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 refle5z)-1zuyr t;wt odci9 ms *pl+x camera the lens-film distance may be varied by sliding thewd-suy p*5tczli) +rz t19m;o lens forward 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 film with a field of view that corres u)vx16ojv9;yet7j ioponds approximately to that of normal vision is referred to as oejo jt 7;u v91y6)vxia

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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 magn-ooy/r2ln +b yify 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 co+xzv: s suxd qv287*aqvers the film with a wider field of view than that of the eye and through which objects appear smx2a qzv7q d:su8 +svx*aller 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 camem7yp4 hz+ihlov-2g8 vra 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 brz(zd ::e km6wy 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 +; hbrh25b: q**pig l,gfhrunwhich 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 see objects clearly i,wi5x ssb)g6j4h5upms

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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 tx6agrra3d *o 9o back, the person is likely to suffer frr 9g3a6*x aodrom

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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 cobz i 3qo/)wd73yiky1vrrected 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 a visiok;-;xln ,( ecly2y n.dnic/s rn defect that cadens .lky(;n /x;,r cc-iy2lnn 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 isp/: bl2t *mith likely to suffer fb2/ml itt p:h*rom

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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 wit 8z8nv2q +b+xi mp :nkxq9onk8h

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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 adsa-oj;y;az 6 :ja(d c vision defect thajj(:;6asdc;dayaz - o t 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 a magnifying 2r-m(8vrq: jvhb84c .zot xn rglass?

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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 objective in an astronomowx7 /q* vq :d/etelf2ical telescope :ex/2f7tqqedw*vl/ 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 telescope. Supzbl u;ufn:wf4 s8w cd82;gnu 5pose an opaque screen is gnzludnu :2 fw4u;s5wb 88;cf placed in front 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 so/y kc3gz;a q)ensitivity throughout the visible spectrum, in which of the following cases would you be able to best distingu)qk/ g ;z3aoycish 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 has a magnificatom3ln+ )fyulw6io )4p ion $m$. 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 sboexc2 2w1g,n r8qm9v ee the greatest detail when using 19ov,rc2gnx q8w2eb ma 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 opr i+ykf+d/g iqft./1 3oyt*from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer:7 lo9wc9d+;xy gmm co 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 microsca*) picsip:: yope refers 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 d7mvd/ier +2fx8e0h8-nhuq lr ish is doubled, what happens to its resolving power ass+ h7 80/q 8-xve n2dlhuermfiruming that all 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 dzuzu00r. ww (aiopters) will allow this person to see distant objects clearly?( wa0w0zu.uzr

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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 o vg6 ccn-,pd4j(hc-m pf lens should be prescribed if the glass is to be worn 1.0pn,ch g(m-d-v cp4c6j0 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.wj)dt8g,te8c lzre* a (c*rz615 D. What is the p8re( ag l*8crzw,etc j)6z td*erson'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 needed to correct for farsightedness where q9 vz k+f0pqtao;i3p-)x3r jkthe uncorrected near point qz9q j k+x;3 iorpfa30v-ktp) 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 wou(n*-om71+ d lz49uybhlkvperson is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What len-lw7nuyz h4vk od(u19bl +o *ms 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 helv0c*rh n/jc/ ud 25 cm from his eyes, if he wears glasses cunh/rcj/ * 0vof
+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 ha- z3yt,,vxq :ci4xk;4 ck tivts a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infiniq 44kt3k ,:ic zt,;yvx-vctixty?

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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 poiu:gosjz(* ;m x. gu5qent of 25 cm. What is the magnification of the lens for that person when their eyes are focused at tsu:mq.5 (* geuxgzj o;heir 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.s5nx6 hw 19hdpjh 6an*0 cm. What is the magnification if the image is w 6n nh*a hs1jpx96hd5viewed 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 lemfftn 2-x .erwtr+c;x z-n. +sta2c+ dngth 5.0 cm as a magnifying glass. What is the maximum possible m+x-2adn trrf+wms;- +ctfn z.2ex.ctagnification?

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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 magniq vza*np2awt3)2syu3fying glass. What is the magnification if the person's eye is relaptqsza*3vu32n)y aw2xed?

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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 16.0 cm3r)jaj7iz:jwt z:9mv. If you were to use any two of these lenses to build a telescope, wjamzjv9it3: rz w)j:7 hat 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. nf e-mhn3ga4o; pzp+5 If you were to use any two of these lenses to build a telescope, what is theg+p- m5zn h4pfen3oa; 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 tm*oaam) +i xlps3v4f* elescope has a focal length of 200 cm and its eyepiece has a focalvipfo43a**+ l)axmsm 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 magnification o4ikv1)1fnsq ma )ii5a f 10. If the telescope has a converging lens of f )ka 14mafqn)1iiisv 5ocal 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 an astronom8jjqg e*m lsb g./,/evical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting len.j8ebg* l/v gs,jq/megth 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 10Xcnkmyy fl -,,fial02zk: h)tw+)*dkp telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length :npz dlil)f) t0kya*h-y+m2cf,w kk, 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 lengtheeudhm+j 7wxs /uxcnw(y- v5,7r6be2 1.4 mm and an eyepiece of focal 2wxh -ny,b 7je+ m(c vxws 67ee/du5urlength 20 mm, adjusted for 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 objective lens of focal length 1.4 mm and an eyepiece of f 6*w0gvqwa,/qkm lyg7ocal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.7,lwa */vkq q6 gyg0wm5 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;*rm)kz -sw6qy18 eq5knmasp focal length of 3.00 mm and an eyepiece of focal length 6.00y-mnpaks8w6; q1 se)qk5m rz* 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 obje s et3y7)6qh2qudapw;ctive with a focal length of 8.0 mm. W uead6qt2 h37w)pysq; hat is the focal length 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 constellation Orion has an angular separs6l b *6pr3mqa:i: p+k;q ktgsation of 10-5 ra3a gs6 rt qp;:+pbq:* msl6ikkd. 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 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 des4b* rt6qh:mi vb8:osr igned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength o*r ro648mqhvb :bsti :f light used is 550 nm, what is the diameter of the objective?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye change6podpp2 u112osxa 6pi5 bg;v xs from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angpo ou 15dp2;6 svxpa12big 6pxle of resolution change?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telesdaav6 ;wp3 lo1cope has been placed into Earth orbit by the spacepa3; v 6odl1aw shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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