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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 and the film is exposed inqf i+ tpocmm ; jx6 x-w200mjq0(xtp2q a camera is determinedo2 q-00pmjjq0xq+p tf;mcm(26 itx wx 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 fil 0ud0w+f 4b5almvqio:ywi+ 8 am 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 camea hc 12(wll5eara the lens-film distance may be varied by sliding the lens forward lcew (5hla12aor backward with 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 cov5hak /gkucrlr,v0:0bo; - pvuzt 1,fvers the film with a field of view that corresponds approximately to that of normal vision ib5; r/art-g ,0,pluzc kov01vvkuf:hs 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 refeuj9c3 t k1cw:x9j3ctr,ti nmn9 wrr8 )rred 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 fielq yfi:f5vx ;-tb7jj1rnt-9(sz a 0roud of view than that of the eye and tjtb0rz iuj 9nrsx-qv(ytf 5f :-;7o 1ahrough 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 followh3ws-ui6 1*agvg de; zing ways 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 lil )*l yqd r977wn9fktgght 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 caxgj h;du2 umt6tlc;07 n 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*6z e:jb fsuthhl(v*6uj atqj 44e q8. can see 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 issg n* 7vug 20dsc(d1rr too long from front to back, the person is likely to suffer froru7 dgs*(cv10r2n dgs m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually agnq5,ovp na7h2y( )tbe 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 lj+6ni btlh1*vd3 b( auong from front to back, this gives rise to a vision defect that can be corrected by usingh*(tn +bda6b3 u 1jliv

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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, thuv5 h-7etwq 4ce person is likely to suffw-c4v 7qhuet5er 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-uf ylh1fezng7n b7 +pn)vi++ 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 toogffj5lwp) :9swb e3o/ short from front to back, this gives rise to a vision defect that can be corrwo e/3) lp9 j:sbwfg5fected 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 a3zmd.b ky5 jdqvx(gsl *l 8t 7ut4f65h 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 for uiq8naw 69/fbj e7m( znsing a very large diameter objective in an astronomical 987fib/mq nj( 6w nazetelescope 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. Suppose ant 1 fy6mkjnhx21aym2- opaque screen is placed in front of the lower half of the objective lens. What eff6atmmh2fyy 1 kxn-j21ect 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 sens0*dkts1vugb7f7tn r+oro -) fitivity throughout the visible spectrum, in which of the following c1gks ur7n) t70+ovdf*-rfb otases 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 asi,1cxee2 0kx magnification $m$. 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 greaten hmlqkk;:0vh z3w yz:2+issh l oq),-l)u.bqst detail whenq;qsizq+0ll: hz:kvh o wbh .usy -, k3l)2mn) 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 fromrpi)+6j- rew r

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferj+ 33-:iixi,-iln6gwoyek ka6h 7r gx 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 refers to the aemvly4oa3cx)-t*h +r,x h- a vbility 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 happ .n.nvr. oxk*bd 90ikg3+ikx fens to its resolving power assuming that all other factors remain uncxo0n.kgr if. 93 xv.kbn*k+i dhanged? 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) xo vhgylq l* 9o-)+fe6at*.wd q8ryxw5dw40o will alloolx *yqv -dwt 45wqo8e*09)hy6xfodwral+ .g w 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 o.s n7o30 abzmibjects more 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 theos3ba.z0 n m7i 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. Wha k5+ 4i36p wh1 wmji/w(vcnhaht is the person's far point if the glasse1 wamhi5j wkin+h36p( v/ 4whcs 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 farsight jtkrdq:)pxfc* u ,j85edness where the uncorrected near point is 75 cm?tc*8:j 5 udpfjk ,rqx)

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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 farsightedzl4 j 1 (0n r(1kw3uir+btrviu person is 100 cm. She places reading glasses clos1i3v4+(1jk blr(0ruui twn zre to her eyes, and 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 a n 0xrlv-d1b yv(h-ckl)ad7q 4u ewspaper held 25 cm from his eyes, if he wears glass)l-vr -bl 07av4u d1y hxdkcq(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 ofbei o)3.8u,efw7o lj(bin k0m 10 cm. A person has a near point of 25 cm. What isjen miikf 7)b,0(8u ool3 .ebw the magnification 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 focal length of 10 cm. fm y4j q)zog tut139.kA person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes oyf9qzk)t tgm j4 3u1.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 h; uouf5gk;apys2 v8p4fz+ ej3as a focal length of 7.0 cm. What is the magnification if the image is v+op; j vaps fkug253ezyfu48;iewed 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 m1dz.a 1y6t0fl5 eyf,o0vdc hjagnifying glass. What is the maximum povfft.zo0lyyd,a11j05he d 6c ssible 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 a magn -c smxu4b 5gfwaq7x-l2s3xtgdu9d2 6ifying glass. What is the magnification if the person's xs lb- d9u2tx67g34cxdu -gqs2f5awm 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 lenmxvt2r /9y z*d89d l4e i-yowmgths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any tmdew2diz8/o y -9x vl t9my4*rwo 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 of focal le ac 5*ps0vzn0oy2hl)u t1hdag2h .fofygr (*6ngths 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 magnification 2 f 026.0)ufl(gyp1or*zovc sa t5ya*dnh hhgtelescope?

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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 ttz4erne g iq.-oly 0w8jz0 24m**wcpu elescope has a focal length of 200 cm and its eyepiece has a focal length et0g0nmjeq wz w u*4c4ol *z2. pi8-ryof
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 anch( i3 z5lx(ec-rvvs9x0 a; o pmmbb22 astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of m2cobar(px5iv29;sx-e3c bm vzh (0 lthe 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 ast7(msywhpxlsz-h ze) e:k1 64 aronomical telescope with a magnification of 10. If the telescope has a xa e zls47 hyz-1h6p)(:mekswconverging 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 limited to a length:lfezh(w c(rx.l890kih y vg . of 20 cm, what is the approximate focal length of the objh. l(hec 8z g0lifwyv9rk:x. (ective?

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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 0zx5 7 tdn 2qle8sxpq5an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fro7 2xq5z eqpt80l snxd5m 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 length 1.4 mm and an eyepiecu 7v6 kt )h:gt1cwgx;n4crqb1m u; 2qme of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnificaqtgm;xh2:14 um;t 1u v cw)76kr bnqgction?

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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 focs0;zeqgm7b p3 al length of 3.00 mm and an eyepiece of fo0gb;3s7eqm zp cal 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(8(auj e zuiv;e.bax3 and an objective with a focal length of 8.0 mm. What is the focal length of the eyaji3eb .;ax(u u8( evzepiece 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 constellatiom:e8-4 7r-r+g 6mtwirv( i(wwtjakun n 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 aperturum 7+igta v4j(trn8r6:wkm -re-iw(we (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 desizqgd*or-e.mx *if7 9eyg u* *pgned to resolve objects which are 0.010 mm apart. If the focal leg. po*-9* rd*emiq 7g *yzxeufngth of the 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 eye changes from a diameter of 3.5 mm to 1.5 *; :nkv8 y+;xpwl9iq jbwuf ,bmm as the illumination is increased. By what factor does the minimum angly:ip *kvfw ;ub+; qw8,xlbjn9 e 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 Hv,- spgquc+igx17sk8;h 5 mt zubble Space Telescope has been placed into Earth orbit by the space shuttle. Wg7khi 8-s ;+qpt5m xg,cvs1uz hat angular resolution could this telescope achieve if the wavelength is 500 nm?

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