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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 i+n -aiykef2 ,and the film is exposed in a camera is determined ,f+n -iaky2e iby 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 came8t( s9s y(tv (qjsy2nrra 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 vapzq4 g ev);rz 3d5 daotaj *4r).guev+ried by sliding the lens forward or backward wit3+g *o 4e4 )jger5 udqda;)vtvzp.z arh respect to the 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 the7 *z25ooa..qxfhn mv x film with a field of view that corresponds approximately to that oov7h5.*faz 2.nx ox qmf 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 images is referred to5*l vtxzks*u) 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 utc3pb*0- 7bn fw9vvxwith a wider field of view than that of the eye and through which objects appear smaller is referred cnt0x 7w*v -vp fu9bb3to 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 d9wgm + 5b,)jk4jh oftdifferent 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 tg.o dn.z 4b+wnhe 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 dq+/jttvul65;lz0mzkio92f c8b z )lan 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 safk 42)zj1 ljnsaj3 )hee objects 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 ttwgclqo ;px.6t(z;59demq r )oo long from front to back, the person is likely to suf p.zo;;xmc(gdqt5e 96t)rq wlfer 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 ppm.6+*s+oxb qdo1d,;og;fkuf0 hn jbe 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 g7gx8 8kgf k7pgives rise to a vision defect that can be correcpk7x7kg8 gfg8 ted 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 front to back, the person is likelztwzix mc/t0 +7p+1,iod 1fkv y to sc ,++ zi/1viwptfom0dk 1zt7x uffer 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 correcrg)gp7 mib b95ted 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-:lvc3vc4tny too short from front to back, this gives rise to a vision defect that v-4 n:ct3 yclvcan 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:pt(rrbpc,k( 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 feg(n29t4 p5sp sd- cpmor using a very large diameter objective in an astronomical telescpgt pcd9-( m2sesn54p ope 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 refrpbnx,iyoj 1i6+s5 kir) sk6zw//ca gde 99f6tacting telescope. Suppose an opaque screen is placed in front of the lower half of thepi o95 r/kz69ei6,d6)s1xbtncai+ /wgkys jf 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 uniform sensitivity throughout the visible spectrum 5yw+mbgd aj9hwy,;s*1 v s8rs, in which of the following cases would you be able to best distinguish between two y wh1r8*bvad;mg9sjs 5ws, +yclosely 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 magnibvb i2+bh i59x*8 k+yi/jn albfication $m$. 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 detf(x ey+- rd ki +i6y;l(eqnv2hail whev+f (n e+ql-xrk(2 di6; hyeiyn using 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 zz(y/z f2wq/z 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 fr v9wbhghdi;k.- qe,: on r,9zpom

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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 microscopesi7kr) f+2/f,4pysy g y+j vz5p1tiu m 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 dish is doubled, what happens tqn*ha0e9 a oyv1p0zp 2o its resolving power assuq0zao1n9 yep pav0h 2*ming that 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 pointpg, gp px)1w;n 4ru/5leibixs6k), hx of 18 cm. What lens (in diopters) will allow this person to see distant objects clxppsw)i n46)gpxrh,1/eubx kg5,;l iearly?

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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 qsv:sr i(c jvx8g . q6t+i:xvke 3e4e(cm away. What power of lens should be prescribed if the se i(vrs :(:8 qkvceixex6jvq+4.3g t 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 whose lenses have powerpnfrgp - di36 ma(7:rq3/gjne of -0.15 D. What is the person's far point if the glassenfgaenpr-6/: i( qmpdjr g 733s 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 farsightedness where the uncorrected waq hr9c7m9/snear point isr7ms99hcwq a/ 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 10*)jfzb-naa9 vw5s9aii( u/ g c0 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 f*iwnic gjv95 9(- s)/aaauzblens 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 frod.-l(ncxf06ux8ccjo4 :ksd zi jk1t )m his eyes, if he wears glasses8 6jd)xu(ocf4zcl:xj i. t0nksd- kc 1 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 has a nearg9; ;tuv(z r( +vjruxa point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at ;a z9vutgu( r(+r; jxvinfinity?

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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 of 25 -we gofltpr+)w7d9b /cm. What is the magnification of the lens for that person when their eyes are foew+9 gbd)w/ofp-tr l7cused 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 magnificatidr4: 0d:wdm2te3wn chc j/3* ycm dz6eon if thd4r 6nm/ce20mwc d:dc:jedthy*z 3 w3 e 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 2qzw krs w1 q51m*zq. nhy1a1zfocal length 5.0 cm as a magnifying glass. What is the maximum possible magnific.211z 1kwq z5zhnq qry 1asmw*ation?

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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 z 4js0i.1hk5la tia.2xlalu( focal length 5.0 cm as a magnifying glass. Whaszlt 04k.x .5uljhi(il a aa21t 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 6 cek8;s s:gy +vl+iielengths 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, what is the maximum magnificat:yes 8 sglvi++ick6 e;ion 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 cm, 8.0 cm, and 16 c zay t-7oab2(2pqfibentws0 r/+q.+c m. If you were to use any two of these lenses to build a telescope, what is the lens separation for e o-nr z.+i0(f7bqsaqbc a/ w +22tptythe 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 lengthpv)i. k2hz kg5 of 200 cm and its eyepiece has a fikg zhk.)pv 25ocal 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 ma4swk2xc;c, k rgnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the ey2xcsk;w k,r 4cepiece?

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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 tel n68 *p3br in oiw1j--bnhpah8 .rkxj)escope with a magnification of 10. If the telescope has a converging lens of focal length 50 8wpkj 6ii-8a) *rxhno1bbnj-hrp.3ncm, 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 ewa5x 4jh4 fmms98z9xpe is limited to a length of 20 cm, what is the approximate focal lengx mz9jas fx4hm85e4 w9th 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 o scxyr0e,*,s dbjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyer0*ds ,ec x,ysstrain. 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 objectphdpe;;9 tcvf i .p7:w .u)hrgtm6+wedp22u cive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. :;iwhu e. gmtdcp9.r ep;26ch)p tfw2p7v+ud 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 aivs(c 7:n e-7u5 2h kbhiwnp1qn objective with a focal length of 3.00 mm and an eyepiece of focal hn7(h v1 neqwk:7up-cbi5s2i 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 objective with a focal lenzd. pv3av)0 kb*. om yvszwjfu,(7e rhm1g b48gth of 8.0 mm. What is the focal length of the eyepiece to giv m bwov fv8gb,dj .yksha*rpu7.043(z z1mev) e 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 cons)1 yv*f/u2g b gizrks7;w1 ivstellation Orion has an angular separation of 10-5 rad. If the wavelength1)gzyi / 2i1 r7wkf;gs*uvsvb 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 designpk ju 8g fqh v/sdi149wcxwz /7bm4q .4i;cl9qed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 u/iqg 99/c4q 7 m4j lh4sfbz 1;dc xwv.pikqw8cm 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 fromry 4dys. nn xahez:4)yqq8uw r40c,5h a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By e4d4u)ry swy.y qh8 qn ,ah:r c540nzxwhat factor does the minimum angle of resolution change?

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51#
 
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  The 2.4-m reflecting Hubblqa4v/k ( i51 x)k, aqiebtv8llw-tq.ee Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achie.5)tqi a-t b qkeq(ka4wl18xv, /vileve if the wavelength is 500 nm?

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