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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(; xt 6.fs+fc wykll0 gyz3:ge and the film is exposed in a camera is determined by 0cz ( ly3.ge ffl+ty:skw x;6gthe

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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 camera is w+tdd-jwutj6/ja6q )x7aweov7 f .:udetermined 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 reflexbmcj;2m4f ih: camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera hf:mh; m i2jbc4ousing. 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 corresponds approxiec gjx,25 ia(qmately to that of normal vision is referre5 a(cqxjig,2 ed 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/9fyaxqhv- r5 ts 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 the film with a wider field of view than that of thep.p0/t:nb8 owa4xx dg eye and through which objects appear smaller is referred to as:/pgxpbontw8 4d. a0x 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,ftl vldtujoym9x r17 d5 -s+ ,3n+cpqpqc3y6 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 oo 0f v6w4sq7rbf light 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 object ,ql,(akwfew .s 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 objects clearl*t ok kovx-hm5m()gas,o*h8lv3 dm- trr2;bm y 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 likelnr.u 6)7t9tpj e4m jdmy to suffettdr jujem. )6p74 9nmr 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(ajv2l3vr5k p 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 gives risebxd h; o(uok rce g2-xo*(i(j8 to a vision defect that can be corrected by usxx(;oj((bg 8o hedri c kou*-2ing

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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 isp d3kgdg 1o6hjl-x :0a too short from front to back, the person is likely to suffed0 h :lo 3k-pd6jgxg1ar from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can uopbb+wl0 x- , qh+(kc3)x0kj3ltc nqjsually 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 frontmjg q-r (/)g4muh8ela to back, this gives rise to a vision mg -uhj( mrle/)a8q4gdefect that can 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 magnify;dosom6;4edg t41 ,vcyl4um ding 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 fosf4ov xrvh l5*/n*x*q r using a very large diameter objective in an astronomical telescop fl *hn**/os x5rxvv4qe 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 fom *t1bh4rf rot7i )pp 3o5vsy*rmed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this*rtrt pyo m p54v)3 fo*i71hsb 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 unif9g)) +s .grq-eolsylxorm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish betg q9rxs.yegol-ls+) )ween 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 magnificatii 0s moof)fd + p4q.+ de5 +qpadj*ac9wt3rxn7on $m$. 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 wogaad0yj.-h2 sg9l oe/uld you expect to be able to see the greatest detail whena lehd/g 0asj-o.2g9y 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 fromn hl n;mep9 kgia)27)n

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe;+khn -to9s frr 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 ) tc,os;hkel( ugg v:6refers 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 h/08fod( w+go g34 hegpd.c3cc0javrg lg,p6zappens to its resolving power assuming that all ochg/0dew a3c4vog3jdgo gp68( l+.0 ,gcprfzther 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 point of 18 cm. What lens (in diopters)yp w-myr)fhg) f5( -nv will allow this perf nyw- (grfvp-5)hym)son 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 m1sr(pa gy 3l(sore than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of gr3sys1 (lp(a 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. Wh+at/ijii5pz l- 9e1t zat is the person's far point if the glassiliteai p1-tzj9 5z /+es 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 th (aevua6gz jus qxugn 7w z::4ly7j;+*e uncorrected near point is 75 ug+ xzuyj4ejsga(a u:7w nz7:;qv* 6l 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+iyf5sewlp iu0p (uh51 05fya is 100 cm. She places reading glasses close to her eyes, s0 lfhupu5 w0i+ (yai5p1 fe5yand with them she can 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 ase jxq-oi2++ hp vn9*s newspaper held 25 cm from his eyes, if he wears glpsx j2sne v-iq*++ho9 asses 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 bfrnsaic.) cf8 lb *;+10 cm. A person has a near point of 25 cm. What is the magnification scfcn)*8+i rl;b.afbof 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 focal length of 10 cm. A pv-bqcl4 i+) crerson has a near point of 25 cm. What is the magnification r)q4+-blcv icof 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 the ma31cj d mndarq732 iib+/d n9xhgnification if the image is viewn3/bd729rxdcj +1 ndha miiq 3ed 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 focal length 5.0 cm as a magn.qwa sjq8i;,q,- dychifying glass. What is the maximum possible magnyqcq.as ,i 8jq;,d w-hification?

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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 le2dixolqre xq5/(r2 o d1o-k/z38j yr nns of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxed( ke 1dlr2r/52 iznqqooodyxx8j r-/3?

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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, cyb0 8c+u mvc7yk/xkg9k(8ohand 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magni 70cky8 v/x(9u+m khkcgy8o cbfication 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 cm. I78 fs7hu,ha skf you were to use any two of these lenses to bui,a ukhh7ss f78ld 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 ha2znrqe4 v51vqor5 t7 hs a focal length of 200 cm and its eyepiece has a1n4h zror 557 vqte2qv focal 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 gw:a;i8og4 dj1*qx lyso 4/ekan astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the *:g41o/ydo ex4i qlgajk8;w s 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 astronomi)igxi6l7 v 5zycal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lengthy xlgz v7)6i5i 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 designingmrv m50uhx0+m sh n9a- y/oko7 a 10X telescope. If the telescope is limited to a length of 20 cm, what is the axmomkovs0 y r um7- ah0+95/hnpproximate 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 yxs oe(sf ci99sc.24xkf .k 1p1.4 mm and an eyepiece of focal lengts499kfs2.x (kcf iocep 1s.yxh 20 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 lens of focal lengp+8k5y .thpk8 re5r xdth 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 the58p rk keyp 5t8h.+xrd 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 3.00kqbl5 ldd(9:q8 (mrmp mm and an eyepiece of focal length 6.00 cm. (8qr9pmqd ld ( bm5l:kIf 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 lndqwrf6 6 mi/d 98ah/hength of 8.0 mm. What is the focal length of thq8 69wh/dm ri6nadfh /e 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 constu +mdl1s8e9w+a7 umutellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) tluum9s+ uaw d+e718mt elescope 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 desileod.q7i 5cau2dw t; /gned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what dc u2ati; we5 .odlq/7is 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 dirl)da edj:lpw r bbc+2ks/,:5 ameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor do:b +)pb/dwl ar:5el 2js,c dkres 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 Hul,z -l2oln zge41wsd aj20h6fbble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 5d4 g z6whlejl2o-n z0sfl1a2,00 nm?

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