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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  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 thniux ss:l 4m9qk:e2jv1 vq;8ne shutter is open and the film is exposed in a camera is detei mnqqlj2us4x1;: nesv :k89vrmined 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 reacrhub 82vz: bm,w ek7 8(jjvm3ohing 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 m7j ne t)ma 1gcx2x8cg4ay be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a cameratcxcn42egm)xa1j 7 g 8, 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 r,94jtk+dl,6+4v e b jnbj;;eb f txlnwith a field of view that corresponds approximately to that of normal vision is referred d 4, bn,v+;e 9 j;+t6 jt4rjenxfklbblto 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 liz(a)3zd7 p-7ehxhx cj ke a telescope to magnify 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 of view than that o ck87v g4arbe u0h33no(b;05pzpjecy f the eye and through which objects appear smaller is referreebrpn b3ga00cze84y3cu h(ojvk p7 ;5d 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 wayiep,g-m y1i-k, na 8uxs 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 occuruktd 2ml15szq8u1bt).ngsw6u, gme1 s 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 at7 es 33kl2v y5zmipk9s 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 sec0cj7 kaf x7j4s3yoa 4e 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 tptm* wx3-j*h1 yenrt*tg :;rto suffer f*:txg y-m1*rtj phw nret; *t3rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuall02unjd ad72k cqa)1lm y 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 bac-lgah o8gd (cy-(mad*k, this gives rise to a vision defect that can be corrected by usi-(-gy*add8col am g(h ng

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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 q/hhvy4jwk- 66r ae*h person is likely to sufw-/*kvjyaeh hq 4 6hr6fer 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 cor ru3/w( w yywjo1kt2in5j-u*erected 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 fromtb s1)mhf /7aw front to back, this gives rise to a vision defect that can be comh71/tb) s wfarrected 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)-nn f: sjxjodv.dj0 8 a 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 diame+g kk:8 ivxeb m9rw,n6ter objective in an astronomical telescopex v9wi:8 bkn6 grek+m, 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 refractd 7y-wj5gy 5o+;d smiring telescope. Suppose an opaque screen is placed in front of the lower half of the objecdg 5+ syry;wj -5diom7tive 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 sensitivity throughiwrj)a r3n9hekc(d)7 y*nb. uout the visible spectrum, in which of the following cases would you be able to )* nwej ()u rnahbyk97i.3rc dbest 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 has af v11i;k-c mip 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 e1.yl3r+nyj 3 wvp rkio6+l;hgxpect to be able to see the greatest detail when using a microsco1pl n3 h gjryw;ikvy++ r.3o6lpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frfgxva9ot r14)e13 ofqo+z,kq om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr 3q93l pywkp;nypw*) 6o *kkmoom

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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 the abi36pt1s)ky h0 iuha 3hzlity 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 itl*7gn 2n a 0m,uecq:-;gvfjkks resolving power assuming that all other factors remain unchanged? Its resolving powee20lgja*-n u 7 nkmqvgf:;c,kr

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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 poine; +j1d / f7p98/xo. t/i dfpoktxahott of 18 cm. What lens (in diopters) will allow this 89o1k etxp.d;o/aft p/+7tx hfdji/o person 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 objec0w is:mgid4eexk5 q 9t6q;1 / 2bqjlejskoj93ts more than 70.0 cm away. What power of lens should be prescribed if the glass is to be wob g j0q j9ilm5 /ieswe;d2xe 946tqk3:jqs1korn 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 -i2b9 f4e42aa*ig q; jqofpwq0 0.15 D. What is the person's far point if tfb 4qep92iaqg*wj o 4 q;if20ahe 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 w,qq:ctns ) jff+ 4xkl,here the uncorrected near pointnl+tfqxf:,jk qc4s ), 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 places reading giq- xb9n5g2k q ( j) pxrshba)d*-3bdelasses close to her eyes, and with them gb 2(j- aqh)xdbsnk p3di9*5- )bqerxshe 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 eyes, if gmm:xmjl4* ;mhe wears glaslmm;*mjgx: m 4ses 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 kf fb2ldpi415 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for pd5 12 f4lkifbthat 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 of 10 cm. A person has a near point of(i+:o+sp,cr j wo* f.),et fr2yjm zee 25 cm. What is the magnification of the lens for that person when their eyes are focused at tcm t.o,fw2zee,s rf)oji(: +pr yj+* eheir 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 ha wa-ka c2t7z,fsc,gd0s a focal length of 7.0 cm. What is the magnification if the image is viewed byd,as 7a2z0c,gkf -t wc 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 m3 cq- o hoije+ujsvz1 6,;z/hgagnifying glass. What is the maximum possible magnificati/zj 1sohj+z6o;h 3gcuv-,qi eon?

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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 magnifying glassg*ooya7 m* ;olue0km4. What is tho k uy7og;o *lm*e40ame 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0;7gs b)gnh a gosqd/3+ cm. If you were to use any tsaqhg/;b d37gsnog+ )wo 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, andrq /pwr)c2:a d 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation r )/c:rad2pwqfor 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;6 ,cyeoyx2 qs eyepiece has a fo6,xyco2ysq ; ecal 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 constructsz4xkoq c g2q87) 3mftr an astronomical telescope with a magnification of 10. If the telescope gcz) kxo 78rmqtf432q 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 constructso0cs zee/b;j :wla-t4 an astronomical telescope with a magnification of 10. If the telescos:;lw be /0tcoa 4ze-jpe 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. g r/kv,y xfglps( *b g0s+/8cfIf the telescope is limited to a length of 20 cm, what is the approxkfp/*bgy8 v( 0x ,c sgsfg+l/rimate focal 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 fosiq1 2qb6(jdxyzi6x: :w,p 0xx zzq3scal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plx6:2siz zwx i0y xjq31x (zsb6qp q,d:aced 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 foae e9vw42lx1 b eb989peg7q hyuyy- q5cal length 20 mm,5e-y7ebge9h 8bqy 92y4 vqwlp u1 xae9 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 has an objective with a focal length of 3.00 mm and anrag flapj),eyiw9 8ukwe8eia -(2netv 0;c77 eyepiece of focal length 7ce;i,-8)7y 9eg 0ti (vwpu ae2wf8aale jknr6.00 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 az0zlez(pm m+ 3n objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of mpl3(0e+zmzz 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 separation ohj k x;mqie-(-f 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 ki- - ;qmex(hjthe 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 y/)jt43feag pf5v+vg resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wave g5fvy+fv3g/) epat j4length of light 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 rc+njyls;- 0zdsd3 )het2y4c mm as the illumination is increased. By what factor doe; t0 34d) 2drjc esys-ychn+zls the 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 Telescop:n ur132q6i yd tm5kspe has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nmu rtnm62k1q5s3yp: i d?

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