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F>1 G  F>1 G  d G߿ G߿ G߿!$F*UHH  G߿  IM IT   11ff HG111aNormal11MKff!03-04年高考物理仿真試題 >宋体宋体ff> 永中宋体Times New Romanff HG111aNormal11L?Kff一、本題共8小題；每小題4分，共32分.在每小題給出的四個選項中，有的小題只有一個選項正確，有的小題有多個選項正確.全部選對的得4分，選不全的得2分，有選錯或不答的得0分. .宋体宋体ffV. 永中宋体Times New Romanff HG111aNormal11L?KffX1.某種金屬在單色光照射下發射出光電子.這光電子的最大初動能 .宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?Kff*A.隨照射光強度的增大而增大 .宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?Kff*B.隨照射光頻率的增大而增大 .宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?Kff*C.隨照射光波長的增大而增大 .宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?Kff'D.與照射光的照射時間無關 .宋体宋体ff . 永中宋体Times New Romanff HG111aNormal11L?Kff<2.做平抛運動的物體，每秒的速度增量總是 .宋体宋体ff. 永中宋体Times New Romanff  HGF111aNormal11L?Kff!A.大小相等，方向相同 .宋体宋体ff . 永中宋体Times New Romanff  HGF111aNormal11L?Kff!B.大小不等，方向不同 .宋体宋体ff . 永中宋体Times New Romanff  HGF111aNormal11L?Kff!C.大小相等，方向不同 .宋体宋体ff . 永中宋体Times New Romanff  HGF111aNormal11L?Kff!D.大小不等，方向相同 .宋体宋体ff . 永中宋体Times New Romanff  XH111aNormal1L?Kff如圖所示是一個由電池、電阻R與平行板電容器組成的串聯電路，在增大電容器兩極板間距離的過程 .宋体宋体ff,. 永中宋体Times New Romanff HGF111aNormal11L?KffA.電阻R中沒有電流 .宋体宋体ff . 永中宋体Times New Romanff HGF111aNormal11L?KffB.電容器的電容變小 .宋体宋体ff . 永中宋体Times New Romanff HGF111aNormal11L?Kff'C.電阻R中有從a流向b的電流 .宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?Kff'D.電阻R中有從b流向a的電流 .宋体宋体ff. 永中宋体Times New Romanff HG111aNormal11L?Kff4.一帶電質點在勻強磁場中做圓周運動，現給定了磁場的磁感應強度，帶電質點的質量和電荷量.若用v表示帶電質點運動的速率，R表示其軌道半徑，則帶電質點運動的周期 .宋体宋体ffN. 永中宋体Times New Romanff HGF111aNormal11L?KffA.與v有關，與R有關 .宋体宋体ff . 永中宋体Times New Romanff HGF111aNormal11L?KffB.與v無關，與R無關 .宋体宋体ff . 永中宋体Times New Romanff HGF111aNormal11L?KffC.與v有關，與R無關 .宋体宋体ff . 永中宋体Times New Romanff HGF111aNormal11L?KffD.與v有關，與R有關 .宋体宋体ff . 永中宋体Times New Romanff X H111aNormal1L?Kff根據玻爾理論，某原子的電子從能量爲E的軌道躍遷到能量爲E′的軌道，輻射出波長爲λ的光.以h表示普朗克常量，c表示真空中的光速，則E′等于 .宋体宋体ffD. 永中宋体Times New Romanff111L?K1aNormal111HGFEFffA.E- B.E＋ .宋体宋体ff)物件??xF2xdd ddjhdfj dfjc@~@q@@s?AAffff UWEAAa Picture. 永中宋体Times New Romanff. 永中宋体Times New Romanff.宋体宋体ff)物件??xF2xdd ddjhdfj dfjc@@?A"EA"Effff UWPA"EA"Ea Picture. 永中宋体Times New Romanff.宋体宋体ff. 永中宋体Times New Romanff 111L?K1aNormal11HGEFffC.E- D.E＋ .宋体宋体ff)物件??xF2xdd ddjhdfj dfjc@@s@@t?A"EA"Effff UvWA"EA"Ea Picture. 永中宋体Times New Romanff. 永中宋体Times New Romanff.宋体宋体ff)物件??xF2xdd ddjhdfj dfjc@F?A"EA"Effff UvbA"EA"Ea Picture. 永中宋体Times New Romanff. 永中宋体Times New Romanff HG111aNormal11L?Kff6.已知在單擺a完成10次全振動的時間內，單擺b完成6次全振動，兩擺長之差爲1.6 m.則兩單擺擺長la與lb分別爲 .宋体宋体ff:. 永中宋体Times New Romanff HGF111aNormal11L?KffA.la＝2.5 m，lb＝0.9 m .宋体宋体ff   1F+1F+1111.宋体宋体ff.宋体宋体ff   1F+1F+1111.宋体宋体ff.宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?KffB.la＝0.9 m，lb＝2.5 m .宋体宋体ff   1F+1F+1111.宋体宋体ff.宋体宋体ff   1F+1F+1111.宋体宋体ff.宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?KffC.la＝2.4 m，lb＝4.0 m .宋体宋体ff   1F+1F+1111.宋体宋体ff.宋体宋体ff   1F+1F+1111.宋体宋体ff.宋体宋体ff. 永中宋体Times New Romanff HGF111aNormal11L?KffD.la＝4.0 m，lb＝2.4 m .宋体宋体ff. 永中宋体Times New Romanff HG111aNormal11L?Kff"7.一輕質彈簧，上端懸挂于天花板，下端系一質量爲M的平板，處在平衡狀態.一質量爲m的均勻環套在彈簧外，與平板的距離爲h，如圖所示，讓環自由下落，撞擊平板.已知碰後環與板以相同的速度向下運動，使彈簧伸長 .宋体宋体ffd. 永中宋体Times New Romanff  HGF111aNormal11L?KffHA.若碰撞時間極短，則碰撞過程中環與板的總動量守恒 .宋体宋体ff. 永中宋体Times New Romanff! 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H1G11aNormal11Kff . 永中宋体Times New Romanff@ H1G11aNormal11Kff . 永中宋体Times New RomanffA H1G11aNormal11Kff . 永中宋体Times New RomanffB H1G11aNormal11Kff . 永中宋体Times New RomanffC H1G11aNormal11Kff . 永中宋体Times New RomanffD H1G11aNormal11Kff . 永中宋体Times New RomanffE H1G11aNormal11Kff14.如圖所示，MNPQ是一塊截面爲正方形的玻璃磚，正方形的邊長爲30 cm.有一束很強的細光束AB射到玻璃磚的MQ面上，入射點爲B，該光束從B點進入玻璃磚後再經QP面反射沿DC方向射出.其中B爲MQ的中點，∠ABM=30°，PD=7.5 cm，∠CDN=30°.試在原圖上准確畫出該光束在玻璃磚內的光路圖，並求出該玻璃磚的折射率. .宋体宋体ff. 永中宋体Times New RomanffF H1G11aNormal11Kff . 永中宋体Times New RomanffG H1G11aNormal11Kff . 永中宋体Times New RomanffH H1G11aNormal11Kff . 永中宋体Times New RomanffI H1G11aNormal11Kff . 永中宋体Times New RomanffJ H1G11aNormal11Kff . 永中宋体Times New RomanffK H1G11aNormal11Kff . 永中宋体Times New RomanffL H1G11aNormal11Kff . 永中宋体Times New RomanffM H1G11aNormal11Kff . 永中宋体Times New RomanffN H1G11aNormal11Kff . 永中宋体Times New RomanffO H1G11aNormal11Kff .宋体宋体ffP H1G11aNormal11Kff 15.(13分)如圖所示，兩塊垂直紙面的平行金屬板A、B相距d=10.0 cm，B板的中央M處有一個α粒子源，可向各個方向射出速率相同的α粒子，α粒子的荷質比q／m=4.82×107 C／kg.爲使所有α粒子都不能達到A板，可以在A、B板間加一個電壓，所加電壓最小值是U0=4.15×104 V；若撤去A、B間的電壓，仍使所有α粒子都不能到達A板，可以在A、B間加一個垂直紙面的勻強磁場，該勻強磁場的磁感應強度B必須符合什麽條件? .宋体宋体ff. 永中宋体Times New RomanffQ H1G11aNormal11Kff . 永中宋体Times New RomanffR H1G11aNormal11Kff . 永中宋体Times New RomanffS H1G11aNormal11Kff . 永中宋体Times New RomanffT H1G11aNormal11Kff . 永中宋体Times New RomanffU H1G11aNormal11Kff . 永中宋体Times New RomanffV H1G11aNormal11Kff . 永中宋体Times New RomanffW H1G11aNormal11Kff . 永中宋体Times New RomanffX H1G11aNormal11Kff16.如圖所示，兩個電阻器的阻值分別爲R和2R，其余電阻不計，電容器的電容爲C，勻強磁場的磁感應強度爲B，方向垂直于紙面向裏，金屬棒ab、cd的長度均爲l，當棒ab以速度v沿金屬導軌向左勻速運動，而棒cd以速度2v沿金屬導軌向右勻速運動時，電容C所帶的電荷量爲多大?哪一個極板帶正電? .宋体宋体ff. 永中宋体Times New RomanffY H1G11aNormal11Kff . 永中宋体Times New RomanffZ H1G11aNormal11Kff . 永中宋体Times New Romanff[ H1G11aNormal11Kff . 永中宋体Times New Romanff\ H1G11aNormal11Kff . 永中宋体Times New Romanff] IHGaNormalNM1K1J1ff . 永中宋体Times New Romanff^ IHGaNormalNM1K1J1ff . 永中宋体Times New Romanff_ IHGaNormalNM1K1J1ff . 永中宋体Times New Romanff` IHGaNormalNM1K1J1ff . 永中宋体Times New Romanffa IHGaNormalNM11K1Jff17.實驗：組成串聯電路 .宋体宋体ff . 永中宋体Times New Romanffb NMKaNormalJIH1G11EG 1ff按照電路圖從電池正極開始，依次連接開發S、燈L1、燈L2，最後連到電池負極；也可從電池負極開始，依次連接S、L1、L2，最後到電池正極，注意連接過程中開關應該是斷開的。 .宋体宋体ffT. 永中宋体Times New RomanffcaNormal1ff . 永中宋体Times New RomanffdaNormal1ff . 永中宋体Times New RomanffeaNormal1ff . 永中宋体Times New RomanfffaNormal1ff . 永中宋体Times New RomanffgaNormal1ff . 永中宋体Times New RomanffhaNormal1ff . 永中宋体Times New RomanffiaNormal1ff . 永中宋体Times New RomanffjaNormal1ff . 永中宋体Times New RomanffkaNormal1ff . 永中宋体Times New RomanfflaNormal1ff . 永中宋体Times New RomanffmaNormal1ff . 永中宋体Times New RomanffnaNormal1ff . 永中宋体Times New RomanffoaNormal1ff . 永中宋体Times New RomanffpaNormal1ff . 永中宋体Times New RomanffqaNormal1ff . 永中宋体Times New RomanffraNormal1ff . 永中宋体Times New RomanffsaNormal1ff . 永中宋体Times New RomanfftaNormal1ff . 永中宋体Times New RomanffuaNormal1ff . 永中宋体Times New RomanffvaNormal1ff . 永中宋体Times New RomanffwaNormal1ff . 永中宋体Times New RomanffxaNormal1ff . 永中宋体Times New RomanffyaNormal1ff . 永中宋体Times New RomanffzaNormal1ff . 永中宋体Times New Romanff{aNormal1ff . 永中宋体Times New Romanff|aNormal1ff . 永中宋体Times New Romanff} NKaNormalJIH1G1F1E1ff"18.測定動滑輪的機械效率 .宋体宋体ff . 永中宋体Times New Romanff~ IXHaNormalOGDJNM11KJff<從圖中可看出，s與h有什麽關系？S= h； .宋体宋体ff1 .1宋体宋体ff .宋体宋体ff.宋体宋体ff. 永中宋体Times New Romanff IXHaNormalOGDJNM1K1JffE若不計摩擦與滑輪重，F與G有什麽關系？F= G； .宋体宋体ff1 .1宋体宋体ff 1.宋体宋体ff1. 永中宋体Times New Romanff IXHaNormalOGDJNM1K1JffZ若圖中向上拉時是不計摩擦的，則由F與G的關系可求出滑輪的重嗎？ 1.宋体宋体ff1.宋体宋体ff1.宋体宋体ff1.宋体宋体ff1.宋体宋体ff .宋体宋体ff. 楷体_GB2312 楷体_GB2312ff IHaNormalOGDJNM11KJff G動= N .宋体宋体ff1 .1宋体宋体ff1.宋体宋体ff1. 永中宋体Times New Romanff IXHaNormalOGDJNM11KJff爲什麽必須勻速向上拉才能測准拉力?爲什麽靜止時機械效率爲零?爲什麽重物下降時不能求機械效率? 1.宋体宋体ff.. 永中宋体Times New Romanffffffff aHeaderff ff aHeaderff ff aHeaderff ff ff ff ff aFooterff ff aFooterMff@注：本實例僅用作示範，不涉及任何商業用途。 ff aFooterff ffA%aA@?@11111,J11a!111@ff5 F.9FG .a.G GR.i.GRG.1.GG.a.GG.i.GG.1.GH .a.H H4.i.F)1)FG .a.G GR.i.GRG.1.GG.a.GG.i.GG.1.GH .a.H H4.i.F.3FG .a.G GR.i.GRG.1.GG.a.GG.i.GG.1.GH .a.H H4.i. 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