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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 8c kenihdi2 a;9 6nfostx (8h,in a camera is determnh;9x (f,anci82sh k6oid t e8ined 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 thyvy6:q,6olq+,gz,o8cczvr ylp-8- .w b ylq me 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 may be oloz* lu8bd -.8 3surhvaried by sliding the lens forward or backward with respect to the ooz8burh .l*us3d-l8 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 shv t-whpj2kui,y7v67x: ,nk view that corresponds approximately to that ofxv 77t,:w,uhv h2in- pkksj6y 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 magnify imag+* yqqply1l 0pes 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 a1l-:qkjz 4a4zn 5.y xwpn6+znc :rxzy wider field of view than that of the eye and through which objects appear small+pxzq16cj4zwy 4nz-xyk5zar .: nln: 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 followingh0j1avn t,flv;y*ij 6 ways 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 l5r/.ubnm +i; 6n hredeh :-agjight 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 see objects clearly i qk 90ooxja q.:9unb/ns

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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 9 ojgcn q/ef:4aut8 b r)+:jmvobjects 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 li01 n0uet)j7xnupt;-cf)a9yi fp;k y z kely to suf1-ut pf;ij0t)pka;encf9 7n)yyz xu0 fer 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 corrected tnl:b,/g)s j swith

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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 a2h.y 1gym t5 2c(q6uoolh:p qgives rise to a vision defect that can be corrected by using6qh l:.ph21og5cy(yu a2ot qm

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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,uv,vyws08mr,1 ( vvib the person is likely to sufferbv w ymv8r vv(u10,i,s 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 comm: z5o12juv q g7pus8rrected 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, this gives rise to a visiot hpo+k dr4qd;5y81ydn defect that can +o1p d4d rty 5hqyd8k;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 glassb41b 3 6n)nwd gt9+ idpa,hkkz?

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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 od3t( 4vwvv5mrfkn59 )vnx :ssbjective in an astronomical telescope isr(sf4vt9 5:n5vdsmnwxk) v3 v

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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 opaque screen itk1fz,+umb 2ej+h- n( go:bueo d: -ufs placed in front of the lower half of t fm-j:2kgbd-utbn efh(:u,oz +e u+o1he 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 uniforzf 8(c7 em;gxxm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spacedx m;xegz7( 8cf 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 magnifium i.9+ky1gzr cation $m$. 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 eqb)u(f ):ywk9e8 ikf hxpect to be able to see the greatest detail when usfybk9)ueh8k :wq i() fing 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 suffer fr(o52q -3ya9h0xdx g/fyyrxtgom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromi6lfja5 k4r8e cj9k q/wt 3z6j

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power c zb;e jo0ki-g;4j8j lof a microscope 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 artvqwu )6c8 tj.vwcydi51,j9 radar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanivt6vy9.j1 w8t q)5ucr,wj cdged? 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 lensve,c l eks9mvqf7wth4o08mpbgvjg; :y 9-t 8+ (in diopters) will allow this person to see dis 8+vg7v,m;h e: vbo9kq 4ep8cs w-y9lg mt0jfttant 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 objj drm3k1 vpu2,a4e.tlects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm iv43 .ermplju d1k2a ,tn 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 x,6 velf.6la dx(u*l swhose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to th x (l*6x.lef6, vlsaude 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 the uncorrect( dule0dz*k;.md2it;x z scz3ed nei3ukc*z 0dzdz.;eslmx; t(2 dar point 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 farsighteiaw gye6 qjmi10e.4 3wd person 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 lens power m 03egqij4i y.e 1wa6wis 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 ey,*y* : kafepecpjy8b 2es, if he wears g:*a* p,k cbe8 yje2pfylasses 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 has75wd7v qi.d/nj.o al;oowb: f a focal 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 io;o.7daf qo:7j vnl bw.5d/ winfinity?

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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 poin:qiwdbzej3u+.e i*r auz(sqx 9yv/3h 3 :g 9frt of 25 cm. What is the magnification +g.rz(iqe:r3buuqwd s93* ieaxv/hj y3z:f 9of 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 of 7.0 cm. What is thewsjdq(3b+ +-u 9 ia8pdsmi5ue magnification if the image is viewed by a rela+mdi wb89qd-iseuja(+u p3 s5xed 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 r: - gei;ofz0ka b3/mkas a magnifying glass. What is the maximum pos-mkez k;3/ rao:g i0fbsible 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 cmn0 7l:y sm9gy 7hfr0ts as a magnifying glass. What is the magnification if the person's eye is s7f0gtry hms9:n 0y7l 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, tmo. m +4;imt 1xavwnnn0;ycyv6qa -;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 nv .y-at+im;o;xm;cv6aymw qn410tnachieve?

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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 cmj 8usjijo,t s/ 6hx9s7. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnifications78i9t,6su/oh s xjj j 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 tele;dqwmq g823hx;(pbf*) rae( otx4xnbscope has a focal length of 200 cm and its eyepiece has a focanq( t * m)xq3of;g2a x;b4rbxedh wp(8l 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 telescop /t w8l2nnrd-gz,pa.ze with a magnification of 10. If the telescope has a converging lens of focal lez pwd an.z8n lgr,-2t/ngth 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 with a mag vjlpu7vz2 /)unification of 10. If the telescope has a converging lens of focal length 50 cm, whatvzvu pj/2)ul 7 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 telescope is limited to ahx)5 krxt .sa -2ahgn0 length of 20 cmsga20txx kh-.nr5)ah, what 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 focnvnc/ey f7f2 b1g+gq6al length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apartq2 1yg67gb /fc ev+nnf 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 anzh2ea,.-r virt t cpe- u;;eah6h7qw* eyepiece of focal length 20 mm, h*z27we;epaue ht ;6-rh.-ta, cqivr 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 le r)z 3cw(nn 47najn*tangth of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnific3)n(nnzjt w*nc 7ara4ation?

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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 object4hb3hw1gwv95b +6y lu3tsawirp 7id 5 0c)crnive with a focal length of 8.ylig5 970 wcw ) phvc 3rhnu3b6+d15sbart4iw0 mm. 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 in the constellation Orion . orie04ca :rmhas an angular separation of 10-5 rad. If the wavelength of thrmr 4.oea0: cie 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 resolverd 5bb7q28xep objects which are 0.010 mm apart. If the focal length of the 8ep bbq5d 27xrobjective is 4.0 cm and the wavelength 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 chanvjtyc39:c w-zges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of9ct: c-yvz jw3 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 Earth or hqxwfi i m kz9,3s;)krits1m1,s*6pwbit by the space shuttle. What angular resolution could this telescopp9k61 h*ktr; mis3 mw w1sfsizx,q),ie achieve if the wavelength is 500 nm?

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