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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 sh;r wbl /b 4.g tn.yiqwet01e,hutter is open and the film is exposed in a camera is determiybwteg ,wq;4nr eb10 l.it. /hned 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 reachv azz .kr9o*4ning 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 the( .nngj1ahj 38j:bm hbgc(bn8 lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a 8jm:( nb h jg3n(1abnc jg.bh8camera, 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 correspoi9z9t c5t km .dx1cx+nnds approximately to that of normal + zx9cx1. mcit9 ndt5kvision 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 roa1sez/6 zm0th1 6c uleferred 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 oktm,,kelb 9)film with a wider field of view than that of the eye and through which objects appeam)t,k9 eob k,lr 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 hum+ms3igh)09u s/rh began 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 g uw6bznd1m0ng5 xc 6 07mt+s9dvwm*pby 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 objects clea, kn. ;/nha-b6ctz 5bc2 owvvhrly 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 eyexa .og kkq4x* *nx74d)xn3whf 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 is too lx ;6y1ho1qhjx ong from front to back, the person is likely to suffer fromqhox6j1h y 1;x

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually bkzgs 4var/6qwc-);c w/nw* u he 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 gives rise rirucd32;smb s-9 9:iz gyf 4u4jv z/tto a vision defect th 3zitub4 :f9zysc4gm -v/r9rsdj ui; 2at 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 from fronj 3mfgqyd ,f3 lv+:r +5 (31s(lc l+gpnlhiqcut to back, the person is likely to suvc+ nqhfl5dy(pg fi jg(31:ql, lm+c +3lsr3uffer 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 coyds)s(ylwuk5. ;4 z ;v/h.uihtlkl+ h rrected 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 front to back, this gives rise to arbw jfaaf75u7e +.q 1e vision defect that can be corrected 7aj f5f 7weu1rea +bq.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 1hv*n3jup9 7se hbg)jn; g3pta 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 diameter objective in an astronomicadi 31ck8qf q:(gck,dvl telesco,d:q(cvqk 1k f8 3gcdipe 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 telescop *rb:vt+v:nip e. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will tvb nr+ipv* :t:his 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 tf*14ktr0cwcq -ozq h*hroughout the visible spectrum, in which of the followic14qw-*cztkof q * h0rng 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 magnification iz6ce+ w.d1qs $m$. 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 greate);h f*nhr*tsu7 a ty7ost detail when ha*7y sn 7 *;ftr)otuhusing 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 sufferj-4m3 xr (2jacukw7jmf -gb 6x from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suqp 6 )n ca2-j6q +sjj.,wyumnbffer 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 mic+j(e8e m9e uvdroscope 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 to itspfk nd6 ,x4ui3 resolving power assuming that all other factors remain unchanged? Its resolvix ,346npfdi kung 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) wilbzx;ff a0ii*8 -oa4zel allow this person to see disixzae;8 iao0b4- z* fftant 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 more than 70.0 cm away. What pow hou,e26ej9s:qnw,u wer of lens should be prescribed if the glass is tw j noq9es6 ,euhu2w:,o 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 power of -0.15 D. Wha:g f/rq:h1 twyt is the person's far point if the glasser:q1ghy tw /f:s 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 farsighted x46xa, 00a*ar vfjxhsness where the uncorrected near pointsa,hxaj x r406fx 0a*v 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. She places 8ygz.+g l p qkut 35//kzaw+lxreading glasses close to her eyes, and w lw gp8t yg++l qzkakx./u5/z3ith 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, if he wea vbfk *tq 3vj-ysq,s ,(9kt6 6l.zrmutrs glass.y6(,9j3fts -u, tzm *lsrq6 qtkbv kves 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:fzxrj rf 0 k:4c4pk6c a near point of 25 cm. What is the magnification of the lens for that perszp4:k4jr0:6f kx cfcr on 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 foc):j*urig+yn ;ko2 kq p1c;pc gal length of 10 cm. A person has a near point of 25 cm. What is the magnificaroq;*ccp+n2)j gguyk :1k pi;tion of 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 rls .orxv)75n 8qdr +oa focal length of 7.0 cm. What is the magnification if the image is viewed by a l+r oos)5qxr7d .nr8vrelaxed 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 a5a lh4ja0y elbx7vjg2t2a *6r magnifying glass. What is the maximum pba5vxlj6 4yhjtegra 0a 7 2*l2ossible 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 m jolh 58:29 am4h(rjqza4ctfj agnifying glass. What ij4( hja:tca9fhozjm r5l42q8s 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 le+sg6uf( a+b kznses of focal lengths 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, kz(+bgs+a6u fwhat 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 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm.7/fk*6i jzk)o w2f;tvonq gi8 If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnificatioko /6w;8j7 tvi2)o fqfg*nikz n 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 lengthf(cda urqp;zwj5kxo8-z1 z9mhf2m -8 of 200 cm and its eyepiece has a m (;u f- wj ozzar891xh- pfk2d58qzcmfocal 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 aszcxkpk6/;b-c9l86agdh ) ew qtronomical telescope with a magnification of 10. If the telescope b zdkg6l;chewp/k9 a)qc-6x8 has a converging lens of focal length 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 astronomical telescope with a magnificati sm,;th.kl 6ieon of 10. If the telescope has6mi .l ;ketsh, 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 lf,d(x /- qahr .tmr:eaength of 20 h/ref,qd-(a ax.t :mrcm, what is the approximate 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 1.4 mm and an eyepiece of f*3vc+gjow nfz3 z e(vgev3+2k ocal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 (g+wze*kc 2fn+vv 333v oegjz 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 length 1.4 mm anp8cc,(;bh +.t+s/thw cird lvd an eyepiece of focal length 20 mm, adjusted for minimum eyestrcbc(c+d hsl+rp/t, w8ih;t.vain. 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 an objective with a focal length wj ltc. ki0j l...5renof 3.00 mm and an eyepiece of focal length 6.00 cm. If the two len w ..j.tk.0 nlelcrij5ses 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 vbyt0u*m 6*g qand an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total mag b*q6*gy0uv tmnification 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 has an angular separation of 8 /xftfw/la+sidm m3510-5 rad. If the wavelength of the light from the sysmxa mwd+t8l/f /f53i stem 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 designed to resolv5y* f7fqvo mr7u -8ilve 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 is the d oyfr lu v85qm*7i-vf7iameter 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' )(fa,, jibkycs eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of),fy i ac(k,jb resolution change?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble S:ax*/( amkbi. jyh0 llpace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could lbmx(.:alj ihk 0 /*aythis telescope achieve if the wavelength is 500 nm?

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