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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 shutt:+s1gx ;a/m,j y:fka5pns gbjer is open and the film is exposed in a camera is determina/pgsg:m1+y ,ja:sn jf bx5 k;ed 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 lk.4ir4 guqwj,b - i/jnmo0u.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 distancezo8fn;k4e y- g4x1 ;hkt9swj p may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pic8yk4 whnf je;1k-9tsg4;z xo pture 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 thaeb z7ce7a .og,t corresponds approximately to that of noo,7 bg7.caee zrmal 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 images is referred to aslfy;pqb+9j 1r) . 3bjwz,3f rc (eg79vjllexa 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 of the7 ly8ux rd348wce .nqnm z3zr) eye and through which objects arxlcu.w3 dyn7 8z)rz3 84n mqeppear 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 yx1 v0s 9f qsx):dwn*qways 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 em:3i: d244f8l0v cbxt dqrhsgye 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 clearlv4s 42 dhh nv-te/nkmt-/ jfa)y 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 obje 0qg2wwguo924wcd8-o5p qqc a cts 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 gr*evxt7qsic9n d b 0c i849o-7smwd7 is likely to suff* n sdc740imbwxdv9tqe 9s -g87 rio7cer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can sgov .yo*x.ql ;(kzapu hoyt)o5)xi+j .cz66usually 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(mcua:-1muw qt .sof1k, this gives rise to a vision-.q m:o1(mu1wsfuc ta defect 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 short from ki7qpyq5htw2 - trq8) b(1ush front to back, the person is likely to suffeu 8q(bqhqw2s 5k-p)7yti1 tr hr 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 corrected wita0*lpx :ygqe qv3l7j5p z.qu7d h )3hth

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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 foaq/9,/vpwui7 ou* lqront to back, this gives rise to a vision defect that cao9 l *7p,u/wuqqo/v ain 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 gc1dnrx0+idll/i *km p(w: , 6)drsim jlass?

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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 objectipz)k ;dd8yi vyyk*1: xve in an astronomical te;y:8yd kvi zxkpy*1d)lescope 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. Supdy:f bcg z5(da;nkt4; pose an opaque screen is placed in front of the lower half of the obje c(4 kfbdz;5:ntgda;y ctive 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 throug m04 .f2rq1gt6lbit* y7uxci ghout the visible spectrum, in which of the fcq2gbr74xl0ym1if u .gtit 6*ollowing 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 me 1v-gdx*gwa. aix73 jagnification $m$. 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 see the greatest detail wq)qq57ca ia9g;2 hp .rx/kkh4j; yfou hen us;quqrh2/5q)j 9fpyoi.k k4ghx a;c 7a ing 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 suff 6jk7rffwepab4)z g-9er 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 frov3 2-ca(dlgy7xyi ke .m

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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 micros0oprbl8l ,n(9 f 0iiercope 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 dishp6hza9zm8gh4cu g p,rsu87 )i is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolvrgs8gahhucp8 )zi9p z6m,7u4 ing 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 kow:n vqug3 /w;ao 9-hlens (in diopters) will all3 -g ; wqvna/uwkooh:9ow this 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 objects more than 70.0 cm away. What 2 1r,5hr -ncq :ymzbsrpower of lens should be prescribqmz hyc :,r-2rsn1 r5bed if the glass 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 whos *eu4+l;ids ed)dcdxj*8j3r ge lenses have power of -0.15 D. What is the person's far point if e dji+el gu*)j;d*8d3s4cdxrthe 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 farsb *qrhb i-89f 3ncq+shightedness where the uncorrected near poq3shbhq+nr 9f8- *ci bint 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 isk59 7on( tjams 100 cm. She places reading glasses close to her eyes, and with them she camk (on7ja5t9 sn 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 news) g/s/ ckicph5paper held 25 cm from his eyes, if he wears glasss 5ickhpcg )//es 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 9g bd amq(33uz:c qd:aof 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that personq9q a(3:3buzc :mgad d 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 foc6ucflb (w1ijm:f*ae 2al length of 10 cm. A person has a near point of 25 cm. What is the magnificatfelwf:u c12baji *6(mion 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 has a focal length of 7.0 csv* ef3 mhv;d+m. What is the magnification if the image is viewed by a rem vhds3*v+;eflaxed 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 conve.+h 1 u vcfh)k :bkd;(96xlhzdnnn,bc vlc9r:rging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possibld hhnf.rc vkb6ul lh9n1c+d:b k;cx(,9nv): ze 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),sp7y.lblt, jrb nd8ga6* ; grk3iof focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxe,8*,b f )lo. 3niay7gj;kgslb dr t6rpd?

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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, a/5lth: 9bs94w8dr crgmg q3p m2ty7dpnd 16.0 cm. If you were to use any two of these lenses to build a telescopt7ydw q blr mp299m/5gts3d8rc :gp4he, 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 foca- af41 : fxr9houjvi-(3wzch4l v+jxbl 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 magnificatzivh ua-v+x :fb c4lrxj9 41hjf( o-3wion 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 7o9bx2,ybh u )kimi7ut0 f ie/of 200 cm and its eyepiece has a focaltf 0iki7 ui )m7b,uohb29y x/e 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 lrriaejf *fpyi5u3e-ey-.) ,magnification of 10. If the telescope ha-lj3 e,ayir*pfy r -e5eu .f)is 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 constructs an astronomical telescope with a magni pwzwxcs -hk (j.w +4y8ha3ud6fication of 10. If the tyspxaz-cw w+j.hk hdu6 483(welescope 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. If the telescope is limitedl 76jpvq tbj i146fnds) h:ouyxfs(*4 to a length of 20 cm, what is tn6s( u1ho7 4v* bsilf6fx:)jy4q tdjphe 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 len rf*g)e/8gresk*)ejwdj - b/ggth 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. How farkf eg)g)j /bgere-j*w/d *s8r 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 o 1 a*x1vl.en-pm hofq )qd9hi5f 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 overall magnification1dm*h q)fi9p.v - 5nelo1haqx?

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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 obi:qtv );w /mldox,- pdjective with a focal length of 3.00 mm and an eyepiece of focal lengt /) :-omwtd;lqd,xpi vh 6.00 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 has7 y(l m xpdu25z2*aass a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total (l*y7m xazs2pd2sa u5 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 constellatisuz+2cpr v. /da )ke f76ur1cuon Orion has an angular separation of 10-5 rad. If the wavelength of the light f)/7k1r6cuu c s+vufrad2p .z erom 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 areapni/ /u+pr++4s z zcf 0.010 mm apart. If the focal length of the ob 4/p+ s+fzauic /nrzp+jective 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 changes from a diameter of 3.5 mm to 1.5 mm /ppz w,l6x: fmabo69ls au.k+ as the illumination is increasedouz,mp 66 .kbf:9x l+pwl /asa. By what factor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has beeaf8 y;2o lgvi+9l(ktjn placed into Earth orbit by the spaceljltgof(ya892+ v; ki shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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