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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 (g ez2zi3/)( zpt i3s ibtm8ss,xez -aopen and the film is exposed in a camera is determined byx2 git),a/t s( e-i zesbm8z3s( i3pzz 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 t1089 tc xyi r46cyaq*mvi0cn 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 refl5qs-uh:e f8 dmrmkf68 ex camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera houmm8kfe sdhrq:8u5-f 6 sing. 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 corr)f 5fkxt1.5kg/ 5;nli0c mwjya t4 wjjesponds approximately to that of normal viknf jymk j1wcg j5; fwittx0 5a5l./4)sion 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 i1kp /+fhan03uaxthz4r:/ s) 5k xtbtas 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 yaav2gl zt8q6 sc*efs*c -3ua / *(nrdthat of the eye an rq*f s ays-t 3* /d*g62le(u8aacvnczd through which objects appear 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 differeexlnru.5yk 0k/ 2.iydnt 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 occurs at tz 8uk,lpvxi/nb 6k0h4he

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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 whi6e98d1 h/ gnmtjsxnn*ch 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 see ompwiz217n( vmbjects 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 tolsrj96y0zspy.)uzo dsnp, (8 back, the person is likely to suffer .syj,9lrd(nzoz s0p 6)up y8 sfrom

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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 wi1fyq 9zh2 hd,mth

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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 tofqqy)2f;yc :b 6qe um7o long from front to back, this gives rise to a vision deyy b;q:6qf2m q)f7cuefect 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+r 4 unioxviybb/(*aqf:j c35 short from front to back, the person is likely to suffer fro oaj43iubbn xv:if(5y+qc *r/ m

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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 corrergbfl 9 r 8o7c(kv98v-xysmd -cted 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 t, 54 ks:lkp9l1bxglr short from front to back, this gives rise to a vision defect that can be corrected byrk xbllpt1,54s:kl 9 g 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 magd.+nfkpa 1pflz d7tj.-4 zb 8snifying 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 objective k 0k16 ury;bw6 pi0:drfnn4lmin an astronomical telescope0b0f6il:dn mrk;r6 k 4n 1yupw 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 ws6kdkadeyz o 425po4w 09mjn,u: og+a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. a9owokuds :p0nekd 25wo,m gjy+ 4 46zWhat 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 throughout the visible spectrlc rqgjb8(q9ub*2f :num, in which of the 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 us*gbl :f 8q ucrj9(qn2bed.)

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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 magnificationy va*f 1h/ ydnv0 pdy/y)zznvfor.- b 9nv33;n $m$. 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,xq iuh45 jd*pdvf((b9of2 hl expect to be able to see the greatest detail when using a microscope?5ivp x(ul2,j(qhdf* bhfo94d

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer0y r:vlnl2 )gp/ i;hsp 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 fro1)fq fq 9;n:m l10uipfzs7cy km

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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 toyr( fnt3b7v im4h7 9ke

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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 doublt7 z3xp8g64qn.i f caphxl*w0msz 00f ed, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving powm t030p pwa0s8h7xzl.cz*6 q4fgfixner

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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 fnwynq x71 7ox8g1en2war point of 18 cm. What lens (in diopters) will allo 71nn 2w wxn1xg7oqey8w 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 /k3 y-tu5fki.zdk h, rcm away. What power of lens should be prescribed if the glass is .zi k-3k hd5yf,r/ukt 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 power of -0.15 D.7dbtwny+ : h,h What is the person's far point if the glasses are very close to the eyyhhw 7 t:,b+ndes?

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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 w0ol,; g 3ndlh9zprr2x5o s*t where the uncorrected near point is 75 cmx z,gd2 0 n;*r35ohlswr 9otlp?

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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 farsightedubxtht9yx00ka )4;8lw1 fivei o w7m7 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. 7bxt 0k9t 4hl7ewii0 o8f1x y)avm;uwWhat 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 4s(k9 dfbqck i1mt2g625 cm from his eyes, if he wears glasses mkt cq9k24sg (f6bi1dof
+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 h ft t2m52h8zrquee,x ed 3k,9mas a near point of 25 cm. What is the magnification ofrfxmuz,t t9d22hkem 5,q e8 3e the 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 fobo ikb+3 fj69acal length of 10 cm. A person has a near point of 25 cm. What is the magnio6 b+3fbkija9fication 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 cm. What id szubjl2 .-,d0htlc 9s the magnification if the image is viewed by a relax stl9 dd,-b.l0huz c2jed 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 convergx0 b2 8 zb7yd*zqxa+sag z.h;king lens of focal length 5.0 cm as a magnifying glass. What is t a dbxz y+zxh.8a2 *bzkgs0;q7he maximum 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 as(m qe6lnvi z40e(jq(- pev3vg a magnifying glass. What j- l 0v(vn3ge6m(4e pqzi(eqvis 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 length(oj r.0mu;43 )yrkfmj aa/ dvws 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 t u3)adoy(mmv;4j r./0w j frakelescope, 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 b; k3w67-emhohzcd3 *l * dcwscm, 8.0 cm, and 16 cm. If ym*;d3 w-sd chb kwoc6 z*3le7hou were to use any two of these lenses to build a telescope, what is the 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 has a focal length ofq jwf;;b tn.*8 js5fjr 200 cm and its eyepiece has a focal lenwrf 5qs n*j;.b ;jf8tjgth 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 gmxf6wl ul8k0n-5.qt a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is tu 8- l0kq.nx 6wml5gfthe 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 astronomic4x)6 e+rz(s uf,vhfz xal telescope with a magnification of 10. If the telescope has a convs+ r( zv x,efx4uzfh)6erging 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 telesco,(ehzt- lnp e/pe is limited to a length of 20 cm, what is the approximate focal leltep (zh,e/n- ngth 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 ofocm8c.*fe a0 .r6tldm1q8tbu focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from .8mcf 01 o8ea. 6rq*bltcutmdthe 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 )i(v2qq2uaj ts8r-* *ylssdi +mjb 3tlens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for d- mv y2qi8r2ajsbu)q+s*j(i3*s lttminimum 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 m jwget,*siy9nm6jpoin )2;m/m and an eyepie j; o6in92w i*ty,pj/smm)n gece of focal length 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 has a 18-cm barrel and an objec2;hku 5 .kjkpbtive with a focal length of 8.0 mm. What is the focal lengthu ;bj5k2kp.kh 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 has an angular avj x3)ez1ki(i w5z8iseparation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smalle zii )3jiz(8xk1wv5a est 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 0.010 mm apartcbq+/fi x lcpl6 0dn a+tc1:+t. If the focal length of the0qd+xc1bla+n 6:icc +/ ttpfl objective 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 apr7 lb -m;4*t/6c 5rd jlopgaeye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum atp/olg4pa a5c7rbr*6ml -j; dngle 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 Telerzak7f :71etdyzq9t y: 1-fe.(elqj bscope has been placed into Earth orbit by the space shuttle. What angular resolution could this tr7tq y-ebl7: zfq1.jfea19 zyk (:edtelescope achieve if the wavelength is 500 nm?

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