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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: 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 is open/3jde) ni3ask and the film is exposed in a camera is determined e)a sij3kdn3/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 t1xy,bpxn7. g)j3l ys dhe 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 the lens-film distancql 98* youw)ucr0o+1uh: zulth +r-rxe may be varied by sliding the lens forward or backward with respect to the camera ho uuol9hhw )8q0rx u uo+r:lz-*tyr +1cusing. 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 withz yg(m3* wg(q/1w f p(e,jvbjh a field of view that corresponds approximately to that of norm/f1ym3hgw zeb jjgv ((wpq *(,al 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 i;)t 0agqo1)0ufi( ef0 hygumgs 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 filtf qsp l(n0-/nm with a wider field of view than that of the eye and through which objectsnq l(/nspt0f - 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 diff1+hvv+ llcbu:l w 6/; m4j(zkf2l nokferent 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 o2veq1ac z7 +vdccurs 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 casd tb6xs3m6ja -; r.4tc eh-bin 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 .nmr9s6n5+coakuo/ mamw6c b0ti0 b0 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 likely to sufsp 3s)-a1 tp cim4 j0nto+3mqffs-3ppo1c 4fsjq0n i 3)mattm+er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual7/tqaugqf 3h8n y7p g1ly be 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 tzjc;a)o c8y ww6-75tgu /sliq+e (fet oo long from front to back, this gives rise to a vision defecy s8-c(6eu zwgj ;/ af)to7leci5 qtw+t 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 short ftyynylxj4-fse05 9aq p 24-yfrom front to back, the person is likely to suffer from9fxyf4jn0s- pe4lqa ty5 y2 y-

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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 corrg6,1 b2pq aqckected 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 7 jp-1udn c,*rpfk;yatoo short from front to back, this gives rise to a vision defect that can be corrected by 7aj r;1 - ucknydfp,*pusing

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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(rqidvo g- 5,y a 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 using a very large diamkbcw6 gr p)m1-eter objective in an astronomicalbm6p)gwk1 rc- telescope 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 tele)pu2oa:h gfkp , s*k+tscope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Whatf )+:p*takhkg, osp 2u 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 sen( ixjgi,twu-b7 sd f;+sitivity throughout the visible spectrum, in which of the following cases would you be ablxjfit7guib sw, -;+(de 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 mqa iicy1:qo7- agnification $m$. 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 8v,c:f vswy3avbb5pwks 9 ,j) expect to be able to see the greatest detail when using aa ,:bv yv w95jcbs3pfsk,w8)v 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 fromj:3jo eh(t53yp j ukzj);n 7sn

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromfqhv1lgxe 6w vdbhp03 ,cd 995

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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 tq cr :;d eq 6t)v:n5q *hcfe4y42p/xtjvtqy7ihe 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 hf ,l4)qbmk:el appens to its resolving power assumin),l4 lqmef:bk g 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 personn ba -an.k;t ln9o1kv3 has a far point of 18 cm. What lens (in diopters) will allow this person to see distant objects clearlya3n -1l;o. nnv9kt bak?

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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 objehqk5 l.0k y6mvcts more than 70.0 cm away. What power of lens shouldk m5hlyv0q .k6 be prescribed if the 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 u rcd),n-(xnw have power of -0.15 D. What is the person's far point if the glasses are very close t wnd) rn(cux-,o 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 uncorcd 8biuq2v+ 7orected near point is u78icb+vq2do 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. She places reading gladzzn5 rzgae:ls0kv2 .i0ns6hfw1-e) sses close tosfz5n )0 2-zd.wknh is :z61vr0lgeae 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 newspaper held 25 cm from his eyes, r z.x (ils ;7*ehvq9hqif he wears glasqihvh rq;.s79* elzx (ses 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 kf(sc u4ymbao d:+.(5myk9f7u gs ncf2 80d rxa focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focus7ducy.c ufy0s: (x m+8sm9rf n4odk fb(g5ak2ed 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 person hzy ikxy35/h rg4yg :sy(8g4zxas a near point of 25 cm. What is the magnification of tyr34 zgyi:y4h / xg8zskg5 xy(he 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. z/oj i+(;wgc f What is the magnification if the image is viewed(/zc+foj i; wg 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 magnifying gws(;ihma;exb -6t or0lass. What is the maximum possiblemh; axeos(; -rb0i6wt 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 mapyy:l des:k.. 8h, ayepex2)ugnifying glass. What is the magnifhx e:.e) a ksep2puly,:8d.yy ication 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 lengths 2:mk4n tw,wcg tl-yt2yz0c+ g(.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use a (tz0-+gtcgn mw4 : wl,yt2ykcny 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 of focal lengths 2jg4t5bvne,f e.b0d( i. 4ua vm)2gl oj.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two oa.jdgog v4fljb5m4nt (2 .eb0 ei,uv)f 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 leng gwq6zt1nn -vs 4o*4vfth of 200 cm and its eyepiece has a focal lenw qfz1- v*4sgn ntv4o6gth 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 magnification oft6q* et+uc9ix 10. If the telescope has a converging lens of focal length qe*+tic6 x9ut 50 cm, what is the 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 ast-n rsp*fu.n l+yt+( neronomical telescope with a magnification of 10. If the telftu.ny (r++*lp- sennescope has a converging 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 7 uovy we,2gk4wz)ox- of 20 cm, what is the approximate focal l )4v7- w,kuz ogwyoxe2ength 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 ale j/h77kfl( gn eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm/lk77ehl (g jf 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 length 1.4 mm and an eyepiece 7 b/x-u 9duufm)1 uwlnof focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1n/ 9bm1) lwf 7uuudxu-.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 mm tv5( 4, 9up-oe xqlpqoand an eyepiece of fol p9o ot-xu(p4, qqe5vcal 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 oi9mkdyhk o -81e4rn 4hbjective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 2408iokdmk 9en14-4 h ryh?

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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 theyw+kc q 1bjqpx3 j5nfvz3 8hb-/b 3i6c constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the sma x yw -3cvk nfbq35b/3h8 qjcb6+1ipjzllest 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 d u 3tle3hi ebng72 )j xvxhe;,/8,tefqesigned to resolve objects which are 0.010 mm apart. If the focal length of the obti8/h,n 7 )xqfhexgutb v2ej,33; elejective 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 mm as the i8evej1 lov (h7llumination is increased. By what factor does the minimum angle o817hjo ee lv(vf 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 w/*xkc16f4 3tgl omapinto Earth orbit by th6/ct4pk*ofg1a 3wxm le space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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