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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 ec,e )pp +f;zdh/j.koshutter is open and the film is exposed in a camera is determined c)+, e/opdh.;jzefpkby 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 filmf 6 x0m/o+ha qmfj 0s4nb8cjr-n m4ved7h ry/5 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 diqn0/ mp 3t.yxnstance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means that0t .3q/pnxn my

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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 corresponds aoqin;q2r*k fk( +sx 5ipproximately to oq(*q5ixk+ fri2skn; 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 ac sj/:gjlb5 ly1ts like 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 th*-s5 *hrdqn ;jk*z9m*dnfo3as t(r pu e film with a wider field of view than that of the eye and through which objects appeaka9(d -s;o rs rpfhq**tm3 5dj n*n*zur smaller 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 camera different fro-liw sjde)* a:m 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 oc)2 0fqheildwkl(om 6*biv9- tc 2p k7lcurs 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 c utc4h,62ui tx+e e(duan 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 objecbsu,z( 7p bmm 14howx,ts 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 hjmlh.1z(elxu 06dn0 person is likely to suffer fr 60(n dxljuz1he0mlh .om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually )z;i c j.rzm nftd+di*j2(j- fbe 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 baz+7u 7iy x,roaash+nq0s s ku88dew)+ck, this gives rise to a vision de+ahoy+unsk7xde , uswr0+a8)s q7 8zifect 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 eyeball is too s: x7)vkvpx7b z*miz6k;o(k jrhort from front to back, the person is likely to suf k6mzko)7b(v *;k7 xvrjp: xizfer 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)6 0qv;crl-xfoh6f zdke h c2x mg((g5 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 short from front to ba x01xz fwm4s,uh vft18 phga94ck, this gives rise to a vision defect that can be corrected by usinw1m8u4hhs9 x0,f g14 tzpxfva g

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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 magnify7pgy w65 +5jhy0subny 1w* vwting 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 objk4q *fkh 7k(odective in an astronomical telescope i (kko *hqkd74fs

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed1b+miwdx2e)ycp:g o( by a refracting telescope. Suppose an opaque screen is placed in front of egoi d(2 1)xwp+bmc: ythe 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 usj *olf*-zw ,xaed has uniform sensitivity throughout the visible spectrum, in which of t,*af oj zwx-l*he following 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 aznfqey( ; jwq:.i3+uk 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+two uodr ;xx+.: ;lqs you expect to be able to see the greatest detail when us+ wxd:oo .x qr;l+u;sting 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 suffg2bs,jrnm 5s8er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf*x.irq ;)3en gx.zj qqfer 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 microscope refers to the ability totq 6qrft23diki knp3)t( 71xz

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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 its resolving 2 ue s 60b4rhv*x lgwxtr tu.dv9+prt;e86u(rpower assuming that all other factors9rh.x r6 tg(v *40vrwx 8+ utb6 u2trplduese; 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 -lrp(;if h(zu cm. What lens (in diopters) will allow this person to seerpi- fz(;h(u l 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 cleari(+t5;npsds(*d wbtv ly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 t(5 *b dtv+ni(;wpsds 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 wearh2y;g* , khjobs glasses whose lenses have power of -0.15 D. What is the person's far point i2b y khh*jg;,of 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 u6n *ujn/yii2for farsightedness where the uncorrected near point is/*nuijyi 26n u 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 place)6bo4( 1xobeh oz2rbms reading glasses close to her eyes, and with them she can comfortoxbz)6bb m1h 2oe ro4(ably 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 r( 5usl hly;y(( 5t;t3el;4x c slke e1dnkf2this eyes, if he wears glasses of e;(5eulx2 (ky ; 3tls enhrc;dt4 1stl5y(klf
+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 fwra*;z w(3vvc+my,l,ogyf 6kocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infini(o 6ly kyr,avwgc ;f,zv3*w+ mty?

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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 o):ejktrr(b: jf 25 cm. What is the magnification of the lens for that person when theib: :)(jtjrr ekr 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 (/5a mqdiv*hsrgc5u3tc 3i55 mdghvsua qr/*(he 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 4 mo:cx)1( 00k5iwxzedhbl wnfocal length 5.0 cm as a magnifying glass. What is the maximum possc1)l ed40 h0i (:w 5xzkombxnwible 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 mag,n; qrcab3ane7-nf 93shhb l+ nifying glass. Whh3ar7eb+ n-lqa ,n;nh f9 bc3sat is 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 lenses of focal lengt4mbw7nx w-w1 mhs 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, wx nwm4bm 7-ww1hat 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 lensesj8b efqzyn +o: hwyc-tn723+h of focal 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 magnific yhb-h :yf q+3nc+jt w28o7nzeation 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 andy0 p95jb,ybr6 jqrr9j its eyepiece has a focal lengt6r5 r j9jy,y0bqb rjp9h 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 magnificatsw7j i 2(bhh,p1etx.bn 3v) vpion of 10. If the telescope has a converging lens of focal length 50 cm, what is th hv xips.3vw)t( 1be ,hbjnp72e 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 telesc().g/lkdnfbpd -(uqe 2v, p)t +ju 0hjnr7x koope with a magnification of 10. If the telescope has a converging lens of fu7 +2)k ufl (bxnredg(h /,0p)qjd-kpnt voj.ocal 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 10 fopsn46; p8lmX telescope. If the telescope is limited to a length of 20 cm, what is t 64ofml ps;8pnhe 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 f0r3d3ba 7uuws ocal length 1.4 mm and an eyepiece of focal length 3 udur0a 3wsb720 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 lensil 6 9teu(vx5s 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 ou tleix6(vs 95verall 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 adcab:3sw k: nz5u u*s)( wm/bind an eyepiece of focal length 6.00 cm. If the two lenses are separated by s /am k*ud)(wun3bwz:sibc 5 :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 tye9*e:l zj0,:m vk5xi. kzfobarrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnike*ji:km 0 o:yz, l.efxt9v5z fication 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 thyxt47+vn;0 5vy u5:nw v khlwke constellation Orion has an angular separation of 10-5 rad. If the wal57y04 yk+vxvn; t5nh vwu :kwvelength 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 designed to resolve objects which are rn 5n*cz(du8 f0r ,qbv0.010 mm apart. If the focal length of the objective is 4.0 cm zr8r(,c0 d5nv*nufbqand the wavelength of light used is 550 nm, what is the diameter of the objective?

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教师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
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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 diameny scq(r(c c4ea( 6z3wter of 3.5 mm to 1.5 mm as the illumination is increased. By what 3 6s (czccew(n(a4 qryfactor does 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 Telescope has been placed into Eaep/celui(5-.tf u/ e byj .w+urth orbit by the space shuttle. What lep/utuu. ei5y(efb/wj.c-+ angular resolution could this telescope achieve if the wavelength is 500 nm?

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