题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:Physics Unit23: Light and Geometric Optics

 作者: admin   总分: 126分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月28日 10:53  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Reflection, refraction, and the formation of images by mirr p+3y ynfan11qors and lenses has beenn3n y11+afyq p successful described by the

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The angle of incidenc6gcm*l ri)js -e

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle on which mirrors work g,y ajc *fmdky,543q tis

参考答案:    

标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A plane mirror forms an image tt6 h olzi2*i1w0:vmw wul+sbr57r4re hat is

参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Plane mirrors produce image4yiq .1dm zho.s which

参考答案:    

标记此题
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An image formed when the light rays do not actually pass through the image 8rg sj.a l.96olz2 ggmlocation, and would not appear on paper or film placed aggsrm6 z o8 l9..jag2lt that location is referred to as

参考答案:    

标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An image formed when the light rays pass through them t- -wh0 vvj:vlu-(zh7- zdeso,(ev m image location, and could appear on paper-v(e-h-v-e0 (w t,vhzz ujmsold:7 vm or film placed at the that location is referred to as

参考答案:    

标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Is it possible to see a virt;k :z7e (coftbual image?

参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A spherical mirror on which reflection takes plh8c ) bd:un) e;el,zuface on the outer surface of the spherical shape is referr:,e)uz hneu;)d8lb c fed to as a

参考答案:    

标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A spherical mirror on which reflection takes place on the inner surface of thezx vq5.uawt3r1 f. roqq z(6s9 sphere is vz q3tr.qfs.xu6w(9 z5ao qr1referred to as a

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the radius of curvature of the concave mirror is r, the focal len c6td)8q3zp fq olbm27gth is

参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A light ray, traveling parallel to a cong-a3x 2pew,x e3msr2b cave mirror's axis, strikes the mirror's sur3e bgmrx ,a3 2-xwsep2face near its midpoint. After reflection, this ray

参考答案:    

标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light arriving at a concave mirror on a path parallel o o6j1zg.k5ntto the axis is reflected

参考答案:    

标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A light ray, traveling obliquely to.u 7zcr,;h +g rswa7so a concave mirror's axis, crosses the axis at the mirror's center of curvature before striking t7 ,oa;urz.rw7c ss+hg he mirror's surface. After reflection, this ray

参考答案:    

标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light arriving at a concave mirror on a path ulr3jb 8 e6o;zd8n /brthrough the center of curvature is ref6ln3/8 rru bzb;d8oej lected

参考答案:    

标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A light ray, traveling obliquely to a concave mirr gn eema /p 2w*yyl0z,(x/uwqzgd-x9 :or's surface, crosses the axis at the mirror's focal point before striking the mirror'lyqpw: /g(,wem 2dn9 -u/x*zezx0 ygas surface. After reflection, this ray

参考答案:    

标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light arriving at a concave mirror on a path through the focalrbxg6 xbph7)d pd h h.u:0.p4n point is reflecte bp )g h4ru0n:7 hhdbx.pxdp.6d

参考答案:    

标记此题
18#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State how to draw the three rays foy * .lmw3 81vyskwd mry:24uour finding the image position due to a curved m momy.21du4*lr v y:wu3ky8wsirror.
参考答案:    

标记此题
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you stand in front of a concave mirror, exactly at its focal poin/ ruhr6u7pv7, b9 zmrbt,

参考答案:    

标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed at a concave mirror's center of curvature. The imag:pgw2uu5*bj+sqk9*h x/j lh te produced by th us**wl ux5+kjbth pg/:hj29qe mirror is located

参考答案:    

标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is positioned between a concave mirror's cyxtpi 9. l;jv *5ovje6enter of curvature and its focal point. Thxyt .*jv6elpv5; ijo9 e image produced by the mirror is located

参考答案:    

标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is situated between a concave mirror'(n oazxa56rg,+*,gab-kedct s surface and its focal point. The image formed in this case a*rx (a-gk5 d,ntazg, +eob6c is

参考答案:    

标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you stand in front of a convex mfojwzbx (jnikf 2)q.-u(74 dzirror, at the same distance from it as its radius of zf4df.jki )uw qo2x7-jz( n(bcurvature,

参考答案:    

标记此题
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you stand in front of a convex mirror, at t2gl 5km(u;d,c-8on3ye: dxyozafa o /he same distance from it as its focal lengz:o,ocal8n f2 5k mg( yoxa3ud;d-y /eth,

参考答案:    

标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sometimes when you look into a curved mirror you see a .smfl,*l io :kk*sgpdajac6l9+x )b7 magnified image (a great big you) a9)km*sb.ll, g6a* sfo:+px aik7 dlcj nd sometimes you see a diminished image (a little you). If you look at the bottom (convex) side of a shiny spoon, what will you see?

参考答案:    

标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Concave spherical mirrors p ng 71e+ny pzkvay3u)p1 .l4rqroduce images which

参考答案:    

标记此题
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Convex spherical mirrors produce im9bn xop7 ztula,c-()a ages which

参考答案:    

标记此题
28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single concave spherical mi uh(zrji6o0h 1rror produces an image which is

参考答案:    

标记此题
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single convex spherici10b l,a,mvl 65rlcglal mirror produces an image which is

参考答案:    

标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A negative magnification for a mir539aam6/dz 8n2,rlthmpk bp bror means

参考答案:    

标记此题
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the image distance is positive,e/(ce5qtqm0 p the image formed is

参考答案:    

标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the image distance is negative, the imab l)uf45zl5lol3+o/*/sv f -ouh+jp.u zj cilge formed is

参考答案:    

标记此题
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the magnification is a :y*+6u cxpzjs positive value, the image is

参考答案:    

标记此题
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the magnification (cdfmsu f 7g 1ll/0ln5is a negative value, the image is

参考答案:    

标记此题
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the absolute value of the magnification is largxdi8e :w )( wix+um,p)z+llvbkt.5moer than one, then the image isxvpx+)w uol8 . debm :tw)i+lzk,m5i(

参考答案:    

标记此题
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the absolute value of thecvk*0dwy7 f h, magnification is smaller than one, then the image iy,w 0fdvhc*k 7s

参考答案:    

标记此题
37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the absolute value of the magnification is eq3)s d 4op6pvox ,-jtwbual to one, then the image is

参考答案:    

标记此题
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light travels fastestavrbn t8e* :7k

参考答案:    

标记此题
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For all transparent material substances, the index of regr,4 q-sp/m+ az qtru,fraction

参考答案:    

标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An index of refraction less than one for a medin r6.44q9j jr7ii u,bfkfim t;um would imply

参考答案:    

标记此题
41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The index of refraction of diamond is-lm9a6r a+lz x $2.42$. This means that a given frequency of light travels

参考答案:    

标记此题
42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The angle of incidenclt ax) ,w;7v8vvra9 koe

参考答案:    

标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light traveling at an angle inbri/8g+n7afm io wt; ;to a denser medium is refracted

参考答案:    

标记此题
44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light enters air from water. /(:a3 zrsc) ko0fe9mny+x jlmThe angle of refraction will be

参考答案:    

标记此题
45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light, which is traveling in air, is incident on a glassdb 9g s5x.o57urmf0gq plate at a $45^{\circ}$ angle. The angle of refraction in the glass

参考答案:    

标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle on which fiber optics is ba 9anz3pudk *gi.g 4 dck7 m(qace*m.(dsed is

参考答案:    

标记此题
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The critical angle forrx35khg:-uk,vm(lzf - okcx1xdw +; s a beam of light passing from water into air is $48.8^{\circ}$. This means that all light rays with an angle of incidence greater than this angle will be

参考答案:    

标记此题
48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle on which l dj ,a4-uy.cihenses work is

参考答案:    

标记此题
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Lenses that are thickest at the center c* p7f f :ha,t;8gmppvsalled

参考答案:    

标记此题
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Lenses that are thinner at the center than the edts+c /p9 w4fdg0gy)l ;yaap)jges are called

参考答案:    

标记此题
51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Lenses that are thicker at (7q v,i)gt8yiyk )/x1n i ngcrthe center

参考答案:    

标记此题
52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two diverging lenses are similar except that lens B is rated at 2+6pll (1sj 3keedve ;*uqd85btsgk : w0 diopters, whereas lens A is rated at 10 dioptks5: b q +s*e3(ewgu6 jkdle18 pdlv;ters. The focal length of lens B is

参考答案:    

标记此题
53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A light ray, traveling paeg qs:i0qqtg5w* vg*.rallel to the axis of a thin concave lens, strikes the lens near its midpoint. Aq sq*05:.eq*vigg t wgfter traveling though the lens, this ray emerges traveling obliquely to the axis of the lens

参考答案:    

标记此题
54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A light ray, traveling parallel to the am)9 fijfvvfv mk .v6vd7(5z a;xis of a convex thin lens, strikes the lens j; 96.)5vk av immf v7f(vfvdznear its midpoint. After traveling through the lens, this ray emerges traveling obliquely to the axis of the lens

参考答案:    

标记此题
55#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State how to draw the three r4;uv il;m;wq ft 36jfkays for finding the image position due to a thin lensljm 6;3f;fqvuk t4iw ;.
参考答案:    

标记此题
56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens has focal lengt -j wp6 dbw+p10p8 ei3snb1luuh $f$. An object is located at infinity. The image formed is located

参考答案:    

标记此题
57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens has a focal length7 7)m dhwwj ucb5+g n+,ean/lr $f$. An object is placed at $f$ on the axis. The image formed is located

参考答案:    

标记此题
58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens has a focal lent/lt3c 3kvhyjq8 ,k 5lgth $f$. An object is placed at $f$ on the axis. The image formed is located

参考答案:    

标记此题
59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens has a focj(9y8/ce xpivtoq 1 7b7b0a qqal length $f$. An object is placed between $f$ and $2f$ on the axis. The image formed is located

参考答案:    

标记此题
60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens has a focau s..uu6xd04makri6. (ma joll length $f$. An object is placed between infinity and $2f$ from the lens on its axis. The image formed is located

参考答案:    

标记此题
61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A object is placed between a convex lens vn0 yz9 af36e5wblyn vl0 vo(c :d jz2*xu*fq4and its focal point. The image formed l b cz0az(fy:l y35wvq0f*2v69 nv4xon e*ujdis

参考答案:    

标记此题
62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The images formed by conz1 6n6mm wofcq :g.3qri o*bg,cave lenses

参考答案:    

标记此题
63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The image of the rare stamp you see througg y7jm:m8 jou20 +5zxks)p naph a magnifying glass is

参考答案:    

标记此题
64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A lamp is placed 1 m from a screen. Between the lamp and the screen is placed a sh ku2lc7nf0- converging lens of foca hnuf7k s-20cll length 24 cm. The filament of the lamp can be imaged on the screen. As the lens position is varied with respect to the lamp,

参考答案:    

标记此题
65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin lenses, of foc2q w ,6hoh- yik0whk)pal lengths $f_1$ and $f_2$ placed in contact with each other are equivalent to a single lens of focal length of

参考答案:    

标记此题
66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin double-convex (convex-convex) lenses are placed l,tn d;o76vr5l8zvf uin contact. If each has a focal length of 20 cm, how would you expect the combinativ fr7d6t5l vu8,o;lnz on to function?

参考答案:    

标记此题
67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diverging lens ($f = -4.0 \; cm$) is positioned 2.0 cm to the left of a converging lens ($f = +6.0 \; cm$). A 1.0-mm diameter beam of parallel light rays is incident on the diverging lens from the left. After leaving the converging lens, the outgoing rays

参考答案:    

标记此题
68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A laser beam strikes a plane's reflecting surface with avmjzmb/ny+lne4v, +ca ;;+ xmn angle of incidence of n4zmnx, cm+ ve+l+bvj;/amy; $52^{\circ}$. What is the angle between the incident ray and the reflected ray?

参考答案:    

标记此题
69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is located 2.6 m ingoo eajan,i*4 ;yy*p7dtu28g front of a plane mirror. The image formed by the mop4y2atjodn*yg * 78a,i ueg;irror appears to be

参考答案:    

标记此题
70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far are you from 1h8j ik 5j/4hwxcbk(i your image when you stand 0.75 m in front of a vertical plane mh81whkj(c 4kx/5ijb iirror?

参考答案:    

标记此题
71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How fast do you approach your image when you approach a vertical po/3;bmk 5h xuclane mirror at a speed of 2 m/s 3;/5xmucob hk?

参考答案:    

标记此题
72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A spherical concave mirror has a radius of curvatu c t /jx5d7cq*jqsjlj/x+ u7 -q71lzihre of 20 cm. How far from the mirror is the focal point located?* ijtxj 7c7+q-lds q1jxchju/z/q 75l

参考答案:    

标记此题
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A concave mirror with a radius of 20 cm creates a real image 30 cm from the (tjb*o 8nt)ho mirror. What isot()t8 nbhoj * the object distance?

参考答案:    

标记此题
74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A object is 12 cm in front of a con+n2zb u3t):cyeesg+naltd;e w5 t ;(xcave mirror, and the image is 3.0 cm in front of theucte :5dw yl t)tg2z +;n3be+esaxn; ( mirror. What is the focal length of the mirror?

参考答案:    

标记此题
75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 10 cm in front of a concave mirror with focal )peet9 9upf*olength 3 cm. Where is the imago9eeptu p 9)*fe?

参考答案:    

标记此题
76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A concave spherical mirror has a focal length of 20 cm. An ob;ap2yg/ssva -ject is placed 10 cm in front of the mirror on the mirror's axis. Wgs /2aasy-;vp here is the image located?

参考答案:    

标记此题
77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A concave spherical mirror has a focal length of 20 cm. An objft 9 oawfqhhsu c+(3:*ect is placed 30 cm in front of the mirror on the mirror's axis. Whecw* h3s a+9: uffhqt(ore is the image located?

参考答案:    

标记此题
78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 5.7 cm from a concave mirror. The image is 4.7 cm tall, and 10 b(p0v ni,4scxcm from the mirro0n,vb(s x4i pcr. How tall is the object?

参考答案:    

标记此题
79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed 15 cm from a concave mirror of focaqr rb5fg uwf*f3 s, 493x+nrlotlxn1 :l length 20 cm. The object is 4.0 cm tall. How tall is th13xw ufqx+of tgnr,nbl5s 3*:r9 4l rfe image?

参考答案:    

标记此题
80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 47.5 cm tall. u4 o ytdm5vi),/xx, hb The image is 38.6 cm tall, and 14.8 cm from the mirror. How far is the object from the mirro5iomdy,4 x, xbu/t)hvr?

参考答案:    

标记此题
81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 1.4 cm tall object is 4.0 cm from a concave mirror. If the image is 4.0 cm tqf c04yx 6z2bgall, how fa2xgc bq yfz460r is it from the mirror?

参考答案:    

标记此题
82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed 15 cm from a concave mirror of focal length 20 c*mplp:; / mra d6,ngxqm. The object is 4.0 cm tall. Wher6 /;:p mqadgx*nm,lpre is the image located?

参考答案:    

标记此题
83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a person stands 40 cm in front of a cosmetic mirror (concave mirro k;mo/a84ymxlql9wt p3xzr22i 4t )j dr), the erect image is twic;ydj 93pril/xtm 28wkl4xm) q24zta oe the size of the object. What is the focal length of the mirror?

参考答案:    

标记此题
84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person's face is 30 cm in fro nc2c5o r;ed,pnt of a concave shaving mirror. If the image is an erect image 1.5 times as large as the object, what is the mirror's focal lengc, rpnd o;c25eth?

参考答案:    

标记此题
85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An image is 4.0 cm bei 9l o +dzr;snf3py(*ohind a concave mirror with focal length 5.0 cm. Where is the object?+ i9oyrol3*z pfsn;( d

参考答案:    

标记此题
86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex spherical mirf,m7 +j21xv df u9ear6h0ibtf 4x tt*qror has a focal length of -20 cm. An object is placed 10 cm in front of the mirror on the mirrtt*if2hr ,uv1 6+qdefb0ft x7am94xj or's axis. Where is the image located?

参考答案:    

标记此题
87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex spherical mirror has a focal length of -20 )h ntk r0mtq7r. *wrt(cm. An object is placed 30 cm in front of the mirror on the hm t k.rttw7rr*n0q)( mirror's axis. Where is the image located?

参考答案:    

标记此题
88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 14 cm in front of a convex mirror. The g5f *egt+g61pt ;9tg:y so 3 rw+yyxygimage is 5.8 cm behind the mirror. What is the focal length of the mirror gfr 3gxts: t*w; og9561e+gg yyytyp+?

参考答案:    

标记此题
89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 8.90 cm tall. The image is 7.80 cm tall, and 14.8 cm from1 hdz5zg72pye )irq eu*,ef3j a convex mirror. What is the mirror's focal len*3 zejzr)52hy g, e1qd eifup7gth?

参考答案:    

标记此题
90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a material has an itbj yn: np1mo(u4-.frndex of refraction of 1.50, what is the speed of light through itmbn.-rn yuo( tf1 j:4p?

参考答案:    

标记此题
91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A light ray in air is incident on an(:rye29s xdkc air to glass interface at an angle of $45^{\circ}$ and is refracted at an angle of $30^{\circ}$ to the normal. What is the index of refraction of the glass?

参考答案:    

标记此题
92#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light enters a substa /h493;v, n8eydmjy:plaickzor.9f v nce from air at an angle of $32.0^{\circ}$, and continues at an angle of $23.0^{\circ}$. What is the index of refraction of the substance?

参考答案:    

标记此题
93#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light passes from air to water. The incomt6qnz 8ay gbqo.th ,po u1fy, 1qz70fh*fi-p0ing ray is at an angle of $17.0^{\circ}$ to the normal. The index of refraction is 1.33. What is the angle in the water?

参考答案:    

标记此题
94#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An oil layer that is 5.0 cm th 1+m 4qcfh l2.2 bfw:crxhil(nick is spread smoothly and evenly over the surface of water on a windlefix2.cl:m h lwfrh+cq 41nb(2 ss day. What is the angle of refraction in the water for a ray of light that has an angle of incidence of $45^{\circ}$ as it enters the oil from the air above? (The index of refraction for oil is 1.15, and for water it is 1.33.)

参考答案:    

标记此题
95#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diver is 1.2 m beneath the surface of a still8u (zuo;ga;b: xpkv x wle;6 0znj1of+aq;: sd pond of water. At what angle must the diver shine a beam of light toward the surface in order for a person on a distant bank to see it? (The index of refraction for l(;0w1 g zav uk x;;szb+qejfox: :p u6ndo8a;water is 1.33.)

参考答案:    

标记此题
96#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light, traveling in air, strikes a plate of transparent material +lz+.kwusl e+8yks vqn /tb 4*at an angle of i4 ntqluw s8+ yb ++/vle*s.kzkncidence of $56.0^{\circ}$. It is observed that the reflected and refracted beams form an angle of $90.0^{\circ}$. What is the index of refraction of this material?

参考答案:    

标记此题
97#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light traveling in air is incident on a slab of transparent matv nwhumko 3ghg9o0+;;erial. The incident beam and the refracted beam make ang0; v;ow9ghuhomn k +3gles of $40^{\circ}$ and $26^{\circ}$ to the normal. What is the speed of light in the transparent material?

参考答案:    

标记此题
98#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A substance has an index of refraction of 1.46. bh0b97ldp x uyl6k94i-ac(ug Light is passing through it at 4i lykud7clb0 hg6xu9(a p9 b-$53.0^{\circ}$. At what angle will it leave into the air?

参考答案:    

标记此题
99#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the critical afm:z;aj,g n*xxw)9o jngle for light traveling from crown glass (n = 1.52) into water (n xfa;,z:x)m*o9g jw j n= 1.33)?

参考答案:    

标记此题
100#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Lucite has an index of refraction of 1.50. What tx)*yb43ta h 86woncg is its critical angle of incident nhxw)6a obc4y g*83tce?

参考答案:    

标记此题
101#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An optic fiber is made of clear p8sjg+typ9+-h m 4*ht5g ld mo1phxzc6vhhp 10lastic with index of refraction of 1.50. For what angle of incidence will light remain within the plastic "vjpo yhp68mp dtgg lx1*z m91+t405h+h-shhcguide"?

参考答案:    

标记此题
102#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The critical angle for a substance 7kk .9ynb)j7gy(lei *r)whogs-i+g h is measured at $57.3^{\circ}$. Light enters from air at $45.0^{\circ}$. At what angle will it continue?

参考答案:    

标记此题
103#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light enters a substance from aiyj;iqi zu w98ma78-w ,vom f:yr at $30.0^{\circ}$ to the normal. It continues through the substance at $23.0^{\circ}$ to the normal. What would be the critical angle for this substance?

参考答案:    

标记此题
104#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An optical fiber is 1.0 meter long and has a diameter of 20 mm. Its ends are p e w/pb)g8tzg4erpendicular to its axis. Its index of refraction is 1.38zg)4 gbt/epw0. What is the maximum number of reflections a light ray entering one end will make before it emerges from the other end?

参考答案:    

标记此题
105#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed 40 cm in front uc+hoyd o942vh9 r 3lkof a 20 cm focal length converging lens. How far ir 9ouo3+v 9k yhc4hl2ds the image of this object from the lens?

参考答案:    

标记此题
106#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 12 cm in front of a converging lens with f-. g5x;yz 9 brkhu.xwiocal length 4 cm. Where is tubkxgi;x.h5r -z w y9.he image?

参考答案:    

标记此题
107#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 15 mm in front of a converging lens, and the image e5mz 2 .v 1*otyiu4r*0pmfxax is 4.0 mm behind the lens. What is the focal length 4a fp 1ri2ov m*u5m.yxxet 0*zof the lens?

参考答案:    

标记此题
108#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 14-mm tall object is 4.0 mm from a converging lens. If t9 uo lc ;l;q e3rrvzh.k,pra87he image is 4.0 mm tall, how fa3co9hk8, r;peru7. lq z;ralvr is it from the lens?

参考答案:    

标记此题
109#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When an object is 40 o1 pm w kmt;jsb;5spug ws6h5+yz+g7,m in front of a converging lens the inverted image is half the size of the object. What is the s;,pgw+57p1ujy ws gk+o6zm5hsb ; t mfocal length of this lens?

参考答案:    

标记此题
110#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An image is 4.0 mm in front of a s ye,yb i7*bwn 5d79yeconverging lens with focal length 5.0 mm. Where is the 7beyiwy yb,59*7 sndeobject?

参考答案:    

标记此题
111#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 4.1 cm tall, and 10.3 cm from a converging lens. The imay7jfzx;kj5gvqm;wymjjdx* 61 h1x4 ;ge is virtual and 6.2 cm tall. What is the focal length of the mj15fjv y;1gy7dxj x*qz m 4 h6;kwjx;lens?

参考答案:    

标记此题
112#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 15.2 mm from a converging lens. .y .u+b3 1yc 6dh67dslbllroy The image is 4.0 mm tall, and 9.0 cm s7 uy3d lh.y 6o+d.rbclb6y1 lfrom the lens. How tall is the object?

参考答案:    

标记此题
113#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When an object is placed 60 cm from a converging lens, it form 2 ;6 7ac+okmbutn,omwvp(q l;s a real image. When the object is movemq;,ko(;7n2w 6+ toaulcvpmb d to 40 cm from the lens, the image moves 10 cm farther from the lens. What is the focal length of the lens?

参考答案:    

标记此题
114#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed apmr /y p,c5szp2o7cu3t a distance of 30 cm from a thin convex lens. The lens has a focal length of 10 cm. What are the values, re/72cmrc, py 5soup3 pzspectively, of the image distance and lateral magnification?

参考答案:    

标记此题
115#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed at 30 cm in front of a diverging lens with x lws-zje 7c*0u5p/cy,e :4hzy tw) xia focal length of 10 cm. What is the image distacwz0y4: h xy /5 lx*) tuz7js,iepc-wence?

参考答案:    

标记此题
116#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed at 30 cm in front of a diverging lens with a focal lend4maow8a qc0r, r ffh5:) 9(mxa6inr (t la7pygth of 10 cm. What is the magnificaqr4r7p,6c5law9 :tn8 xfahfi o d0(ar( myam)tion?

参考答案:    

标记此题
117#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 10.4 cm talws- br53uxd8+n d:a col, and 4.8 cm in front of a diverging lens. The image is 4.0 cm 8dsan- u+cw3 r5:oxbd from the lens. How tall is the image?

参考答案:    

标记此题
118#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is 6.0 cm tall, r5:owm:w ks5)1 tx:i vse p,uband is in front of a diverging lens. The image is 2.5 cm tall, aw v:xbiemostw:sp:5)ku1r 5,nd 7.5 cm from the lens. What is the focal length of the lens?

参考答案:    

标记此题
119#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An object is placed at a distance of 40 cm from a thin lenspxk8,kd,hj3:rdq-sk6qxnm6 . If a virtual image forms at a distance of 50 cm from the lens, on the same side as the object, what is the focal len6qhkpk ,8d-xj3 ,rx 6ndm:qksgth of the lens?

参考答案:    

标记此题
120#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far from a lens of focal length 50 mm must the object be placed if it is to xgsfcda ;5 0w)form a virtual image magnified in size by a factor of three0agd;)5cf xs w?

参考答案:    

标记此题
121#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far from a 50-mm focal length lens, such as is used in many 35-mm cameym8 hbti9 69cdi6isu sl,1h : s8jndi-ras, must an object be positioned if it is to formhi1dy8ts:8 69bi, sm 6hld ic9j-nsu i a real image magnified in size by a factor of three?

参考答案:    

标记此题
122#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two very thin lenses, each with focal length 20 cm, are placedm 4okp9 :e70)xeqdg(p,o( xv,jds uz:8nygdq in contact. What is the focal length of ,9qpo7(:gx,4d jx e k v :8o(znq0pg)dyues dmthis compound lens?

参考答案:    

标记此题
123#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A double convex (convex-convex) thin lens has radii of curvatuc/ wa 3hnf,sy6i+znt4re 46 cm, and is made of glass of index of refraction n3t6nci/s4w,+f y az hn = 1.60. What is the focal length?

参考答案:    

标记此题
124#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A double convex lens made ,) q iklym-vyja. 5ugpdcvj,*(6c1* p4zgxlyof glass (n = 1.50) has a radius of 40 cm on the front side and 30 cm on the back )l45d mjvc i*k1pu.g* z(v qy,gja ,yxl6y-c pside. What is the focal length of the lens?

参考答案:    

标记此题
125#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A biconvex lens is formed by using a piece of plastic (n = 1.70). The ra(:je : kgqlvby6g :vilgnb (0+dius of the front surface is 20 cm and the radius of the back surface is 30 cm. What is the focal lengt:g: e0 j i(yl:bg+g vbn6lqkv(h of the lens?

参考答案:    

标记此题
126#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A plano-convex lens is to have a focal length of 40 cm. It is maz 1/n56hg(2 rfiiz garde of glass of index of refrahgz 2ngr6 fzr1i/5 i(action
1.65. What radius of curvature is required?

参考答案:    

总分:126分 及格:75.6分 时间:不限时
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 126 道题
本平台(https://tiku.one/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

浏览记录|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-10-3 21:00 , Processed in 1.194748 second(s), 274 queries , Redis On.