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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 the shutter is open and the film is evjhzenc 7+lt4-fhj w ,vqn::(xposed in a camera is detevnt 4f -he7vqnh+ c::(wzlj,jrmined 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 determibo19/(cdvis hd h i:6.7eokvw ned 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 may be varied by sliding+l5iboss0qnhovi + n int4.*9 the lens forward or backward with respect to the camera honn 9ho0osi bi45iv+t.+ l qns*using. 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 corbdh(yb*a , bx6responds approximately to that of normal vision is re*bx(bhby d a6,ferred 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 referred to vt+ r*y9xj ggm07k,zc(ow) jqp;zp5xas 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 dvz:8eg;q-7o d2vh4rv a1+rpfx i+f i that of the eye and through which objects appear smaller is referred to g x pfa v7o-i errfvdd42;++q8z1hvi :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 camera different from the uodz :eu apz83-g u*n: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 eyejp: w23p cpo:b 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 e;.osb l)hhiu/q4f ll dft0 22g8hh(d m;q-louye 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 clearl g5/02fy8sf1wgn6 a ficxyv e;y 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 l.,ej)syeg2xm 7eol(s8+ t xcbikely to suffee s7mx.oxs by,c)2+t j e8el(gr 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 b k*1b) ty gkynq5nph*+e 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, this givegshm ,m2ek/6rs rise to a vision deh,rmeg6sk / 2mfect that 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 eyeball9pzlbkj, .o rz5;t3vx2 dk-vw is too short from front to back, the person is likely to suffer fro9dokr,2;x zt vk v5z3bwj l-.pm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually -/yud; -ceedzbe 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 short from front to back, 2.n7 -sti2o hu lslsh8this gives rise to a vision defect that can beh l22- o ints8.ssh7ul 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 isf ta5 n,4ngjw5oz2-5*c xziqy 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 d1h,,crrzo(r* /jpgw using a very large diameter objective in an astronomicalgr p *c,r(d oh,z1rjw/ telescope 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 opp; uvx(+kub7z aque screen is placed in front of the lower half of the objectiv+kpvuxu (bz; 7e 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 sensa49yqx +fyx1zitivity throughout the visible spectrum, in which of the follyx zaxf +y914qowing 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 has a ma o z3bfme692d,hptk.ygnification $m$. 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 lighta vo.qiof 7 s-0e.dn0n would you expect to be able to see the greatest detail when using a micro -oa.edon.vfniq0 7s 0scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro (4t(ni+lenvi m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff vv,y)zg6mjq 5er 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 microsd4 ig:5/ sgv. h(c/rd cg+jciscope 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 diszy ,c2cin adfc* 0(180xzs ve dv- oc(yz;5wcsh is doubled, what happens to its resolving power assuming wce f8x(( v-c*vy2sy0 ,dz adcczin5z o0s; 1cthat 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 ,us,iye .y q:kof 18 cm. What lens (in diopters) will allow this person to s,usei .yy k,:qee 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 th3h57i kixw95 tuj*bd ban 70.0 cm away. What power of lens should be prescribed if the gtx79 hu3j5b 5ibkdw*ilass 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 powevwf0 qyh *7k2ir of -0.15 D. What is the person's far *7yvwkh02fiq 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 nx)p164s r ya9iirg9ryeeded to correct for farsightedness where the uncorrected near point is s9r1x gr9)iy6p iray4 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 glassewdj(7d w5ds 2ks close to her eyes, and with them she can comfortably read a nd5 (wdkdj2w s7ewspaper 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 rae( 8uwg,) stqex 97ibo1t. zdead a newspaper held 25 cm from his eyes, if he wears glasse)ebw8t i,x s .( utd91qegazo7s 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 cm. A person hc,qdx;mg7p s) as a near point of 25 cm. What is the magnification of thpx,m);c7qgsd e 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 fo5 ah-p*p 7iu +etx9cwucal length of 10 cm. A person has a near point of 25 cm. What iuip 79hcx+-wute5ap*s the magnification 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 hr 4p+p 6s9ffwfe mb2)dzhyf( *as a focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed efb(zmy f6*f4 2 hd wrspe+9f)pye?

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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 *e55d;* w)-zr n3eyrz4cc j :rlpzmqbfocal length 5.0 cm as a magnifying glass. What is the maximzqpj45 rzb)z;*cd-3:en rr ecyl5m*w um possible 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 agk(z1e uvez m8g8 j3l xi0xc)5s a magnifying glass. What is the magnification if the person'gc8zgx8zuex 3e( 0lim 1k )j5vs 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(gtpt5/ eae og;9hc+y , 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 achieve5 pth;a 9egt eyc+o(g/?

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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 lengtsng 4h1 4lin5xhs 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 th 51ni n4gslx4he 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 haswc90w2s2 6erfnhiqswg,67 y z a focal length of 200 cm and its eyepiece has a focal length ,22ys67n9wwzg h r cews60qifof
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 anjncl0: b7p q*v astronomical telescope with a magnification of 10. If the telescope has a converging *qnv 0c:j7 lbplens 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 constructs an astronomical telescope wit2 ntcci 90: cke0m4awah a magnification of 10. If the telescope has a converging lens of focn4c e02kt:ca9wam ci0al 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 lx/ac4m)b pjh5j8/ i if.7 yhm10X telescope. If the telescope is limited to a length of 20 cm, whaj 8p5 jc7)lyb/ xmhfih/mi. 4at is the approximate 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 focal length 1.4 mm and an eyepiece of j3cgi ts-kp11 focal length 20 mm, pg13i1cstj k- 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 lenxa,iaod2m7+ ;hfj- sl/u x,qbs of 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. What is the ov2foa;sdm,a l,i 7-q +u/ bxhxjerall 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 ;dnw (,h.idv sof 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, w v,dnwd.sh;i (hat 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 ba cug:ig(g-0p upl3lq8 rrel and an objective with a focal length of 8.0 mm. 3:(c pggg lpi0luq8-u What 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 inbz3hdq3lw(d/wi2rk4; ng1ia the constellation 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) telescope that can just resolv 1w bgw3nii2(3aq zl/h4 rkdd;e the two stars?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolve obje2z.l e ,.nuuxucts which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of u,xu zlu. 2ne.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 changes from a diameter of 3.5 mh )qg)xoa1-c hy/ gpw0m to 1.5 mm as the illumination is increased. By)wo- gx hy)acqg/1hp0 what factor does the minimum angle 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 Hubbl.ppv8u1bgnx) e Space Telescope has been placed into Earth orbit by the space shuttlvpug8. pbn1x) e. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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