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习题练习：Physics Unit25: Optical Instruments
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 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  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 isjpz. jyl,a 2p7 open and the film is exposed in a camera is determp pzjj7y,.la2ined 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 -v7z; *x zoy : e wd6z3jfjlex-n)dh7preaching the 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 th6.(f) fdo yycde lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pictureo)yy (c.ff 6dd 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 9sqewg 0bi v31view that corresponds approximately to that of normal vision is referred to as ge 19bv0 w3qisa

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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 e;qz43 g( qt j/q0nfvyis 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 viewz2lqwcr 45aj0bjoak 7o83y 9u than that of the eye and through which 3arolao0u 49j2cj8 b5k7 qz ywobjects 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 different from the human eye? w4swr9uzwy)rd1 2 rz6wsk:,z

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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 dqq ssz dp9; a*n96*pt(die2lthe 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 cai8k :f m.gxw fdxd.(c0n 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 objects clearly is8u8rikvvo(o+78 v spe

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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, thewq*aq:el* ; 4nac mx,h person is likely to suffer fro 4wmxe*: lcqqa; *na,hm

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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 wit *t)y9xnrqa /hh

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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 3ieq) t n*zl ml5e4gt(front to back, this gives rise to a vision defect that cmet5let gi)(3lq*z4nan 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 front to back, the person is like qq-lf/w p-(l8uhh+ a-qvgrvtq .s0 (qly to suffergl.-(vftw --uqqvs qhrh ap (/q0l+ q8 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 k7 k2 bho rvp0-fnk5o :+vu rh8rckv;7with

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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 - q0vywio0d gfdv+z+xcm q61 4back, this gives rise to a vision defecodd4 f0-zmq0iw yg61xc vvq++t 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 magnifyi:h,vs32 ret lqedw c;k/n7*mf .st5fu ng 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 l ,a sjs51n/cnnz5obh 6arge diameter objective in an astronomical telesjnb56nh ss ,5zcao/n 1cope 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. 3(vs/cnk pf q:;ck tn*.r kqr*Suppose an opaque screen is placed in fro.qrt/ rcknfs*k; kn*p3 v:q(cnt of the lower half of the 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 thnfr94 (,bked5 t4xc zp9zp7mhe visible spectrum, in which of the followz,dm9pte7phfxbn44z rkc 9 ( 5ing 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 maj) cjb*xds 1 ;ch7r8whve: z;ngnification $m$. 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 seejee8d+j * epy d+ g6pl:jrz6 xv1jfj9) the greatest detail when usy pz6jj eexp) : 6j*ld+fj1dregjv8+9ing 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 frompu)a xpah+ j/(

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro26cjnxpws) q(-. dqkst 0sq :xm

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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 refersro ;pfougx/,9 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 to its resolvh)mc 2aq4orrw.+h te1 ing power assuming that ah4orm. acw + qer1t)h2ll 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 point of 18 cm. What lensf 6 sz1en1at :(:vfrnl7 /axfkc0k2ev (in diopters) will allow this person to see distant ob f z0 lert:afkv:nx n(seva71 6c2/kf1jects 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 power of lens :s i4 .tsr44 mybu7uuszb7(jishould be prescribed if the glass is to b4 ybjs b7.m( tur4: s74suiziue 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 lezu,k//b 0wdg-xvh 1j- *jm7vyah1d aenses have power of -0.15 D. What is the person's far point if vzgd-m*uk1a/v ,hj1 b07hjew d-/y xathe 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 farsightedness where the uncorrected nqua/ob(*u e82n ,( a7dfjxa ffenf7q xe8,*/2f(ab(a of udu ajar 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 farsighted person is 100 cm. S*mhenw 35+tqm he places reading glasses close to her eyes, and with them she can comfortably read a newsnh*5qm+ wem t3paper 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 e0asi ol3qv.i995u1dz* o elican read a newspaper held 25 cm from his eyes, if he wears glasses of*q5 ul iovdi.0elaz 1o93ie9s
+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 lyfz4 vd69f wj:ength of 10 cm. A person has a near point of 25 cm. What is the magnificatifdf:9wvz 6j y4on of 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 fo,m lhzupb;h8cs b;t;0 pz2js)cal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when th0 bsm z)p;pb;z;2s,luc8h thjeir 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 magoq mj,3pyqxuz e 5-q)(uj6q 7tnification if the im jq z5u-(76oxp)qymq,e3t q juage 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 focal length 5.0 cm as a ma/lsmo,+ vs*xm2jw + qvgnifying glass. What is the maximum qsjm wms/+ +,olxv2*vpossible 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 focann8h(mwo80pes2 3d;h ljc4e zl length 5.0 cm as a magnifying glass. What is the magnification if the person's e4en;sl2j0(h eh38cmow z ndp8ye 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 lengths 2.0 01 zy8z/u 9raysug1q scm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to u/ 0suaz1r u1s g98zyyqse any two of these lenses to build a telescope, 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 ofvn 5gcxyt(qz-ptq z(-dy)9ukfivx z,bs)* /( focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to yc*z- uzt )(ts/ -zxkq gfi9)(bq py5xn,(vvdbuild 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 focal5pn;ov5/; wzfxj6bi ze4 asj9 length of 200 cm and its eyepiece has a / v 59j6fbxe pas4ojz;n;5wzifocal 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 astronomic 5za3avdh-hy2al telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of -h352dvzyaha 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 asth)cb.cm0wy0o+f se/ 7xa d f-kronomical telescope with a magnification of 10. If the telescope has a converging lens of focal lengthbocd aefs0xy w-h/ )cf.+07km 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 telesc fu)-oipy:6q wope is limited to a length of 20 cm, what is the approximate focal length of t6p- uq woi:y)fhe 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. qfpy l/ /jzr /rkd8skml;,0w+y:j(bs4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. H+ : l,s(8dkbsmf y//w0jk ;rp/yqjlz row 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 lengm iq-kk7 x8i;pth 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 pxiqk-i7 ;8m kis 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 dv*6aqew/* xw- kz4kxan objective with a focal length 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 k4-wzx q/k6a*dex*vw 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 length o.wf/xqgp r6 /zm+:6rvsq8p zc f 8.0 mm. What is the focal length of the eyepi66frq/p8xq+: gmpzvs c wr/.zece 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 haob uga1*:xuq. yjfc 05s 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) telescope that can just resolve the two 15a.gcxyfo quu0j:*bstars?

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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 objects12uyuh5chl i 1 which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength ofc2 hil1h5uuy1 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 axh *blxcqo 2,/s the illumination is increased. By what fa2/x*qx c,bolh ctor does 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 Hubble Space Telescope has been placed into Earth orbit ,. u/n*hiz u r+1qvx8 h/y/kva-qvigkby the space shuttleu.vqzv,ky1 /- qinia8*v+gr /hukhx/ . What angular resolution could this telescope achieve if the wavelength is 500 nm?

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