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高三物理试卷 第1页 共5页 验电器 锌板 紫外线灯 乙灯 黄浦区2019学年度第二学期高中学业等级考科目阶段性调研 物理试卷 2020年5月 考生注意： 1、答题前，务必在试卷与答题纸上填写学校、姓名、准考证号。 2、试卷满分100分，考试时间60分钟。 3、本考试分设试卷和答题纸。试卷包括三大部分，第一部分为单项选择题，第二部分为填空题，第三部分为综合题。 4、作答必须涂或写在答题纸上相应的位置，在试卷上作答无效。 一、单项选择题（共40分，1至8题每小题3分，9至12题每小题4分。每小题只有一个正确选项） 1．在核反应方程 4 2He + 14 7N→17 8O +X中，X是（ ） （A）电子 （B）光子 （C）质子 （D）中子 2．在白炽灯的照射下，能从紧压在一起的两块玻璃板的表面看到彩色条纹。这是光的（ ） （A）双缝干涉现象 （B）薄膜干涉现象 （C）单缝衍射现象 （D）色散现象 3．伽耳顿板可用以演示统计规律。如图，使大量小球从上方漏斗形入口落下，最终小球都落在槽内。重复多次实验后发现（ ） （A）某个小球落在哪个槽是有规律的 （B）大量小球在槽内的分布是无规律的 （C）大量小球落入槽内后均匀分布在各槽中 （D）越接近漏斗形入口处的槽内，小球聚集越多 4．质点做简谐运动，在其加速度减小的过程中，该质点（ ） （A）正向平衡位置运动，速度增大 （B）正向平衡位置运动，速度减小 （C）正远离平衡位置运动，速度增大 （D）正远离平衡位置运动，速度减小 5．不带电的锌板和验电器用导线相连。若用甲灯照射锌板，验电器的金属箔片不张开；若用乙灯照射锌板，验电器的金属箔片张开，如图所示。则与甲灯相比，乙灯发出的光（ ） （A）频率更高 （B）波长更大 （C）光强更强 （D）速率更大 6．一列周期为T的横波沿x轴正向传播，某时刻波形如图（a）所示，图中①、②、③、④为传播方向上四个质点的平衡位置。则该时刻起的3T2时间内，振动图像为图（b）的质点的平衡位置位于（ ） （A）① （B）② （C）③ （D）④ y O ① ③ ④ ② x O t y T2 T 3T2 （a） （b） 高三物理试卷 第2页 共5页 t v O v0 t v O v0 t v O v0 t v O v0 （A） （B） （C） （D） 7．下列四个电路中（各表均可视为理想电表），R1为定值电阻，如果移动滑动变阻器R2的滑片P，电压表和电流表示数会同时变大的是（ ） 8．在“用油膜法估测油酸分子的大小”的实验中，某小组发现测得的分子直径数据比其他组大2-3个数量级，可能的原因是（ ） （A）计算油膜面积时，只计算了完整方格的数目 （B）水面上痱子粉撒得过多，导致油膜没能充分展开 （C）将油酸酒精溶液的体积直接当作油酸的体积进行计算 （D）测量每滴油酸酒精溶液体积时，将31滴溶液错数成30滴 9．带电体A固定在光滑绝缘的水平面上，t=0时刻，带有同种电荷的物体B以一定的初速度沿A、B连线向A运动，则B物体的速度-时间（v-t）图像可能是（ ） 10．物块与水平桌面间动摩擦因数为μ，在大小为F、方向如图所示的力作用下，物块恰能匀速向右运动。若改用方向不变、大小为2F的力去推它，则物块的加速度大小为（ ） （A）0 （B）12μg （C）μg （D）2μg 11．如图，两根平行放置的长直导线a和b通有大小均为I、方向相反的电流，此时导线b受到的磁场力大小为F。当新加一个与导线所在平面垂直的匀强磁场后，导线b受到的磁场力大小变为2F，则此时a受到的磁场力大小和新加磁场方向的情况分别是（ ） （A）一定为0、可能垂直纸面向外 （B）一定为2F、可能垂直纸面向里 （C）可能为0、一定垂直纸面向里 （D）可能为2F、一定垂直纸面向外 12．如图，∠形框架ABC固定在水平面内，空间存在竖直向下的匀强磁场。光滑导体棒MN垂直于BC放置在框架上，在水平向右的外力作用下沿框架匀速向右滑动，且始终与框架接触良好。已知框架以及MN的电阻均与自身长度成正比。MN经过B点开始计时，I表示电路中的电流，q表示流经B处截面的电量，F表示作用在MN上的外力，P表示电路的电功率。则下列图像一定不正确的是（ ）
1 5STP 06T1600(T 906C-640-16) 1600 641 9.9 53/29 5STP 10D1601(T 907-1000-16) 1600 969 15 60/34 5STP 10T1600(T 907C-1000-16) 1600 969 15 58.5/34 5STP 20F1601(T 918-2010-16) 1600 1901 27.3 75/47 5STP 20T1600(T 918C-2010-16) 1600 1956 27.3 74.5/47 5STP 34H1601(T 989-3430-16) 1600 3370 49 102/63 5STP 34T1600(T 989C-3430-16) 1600 3370 49 101.5/63 5STP 07D1800 1800 730 9.0 60/34 5STP 09D1801(T 907-880-18) 1800 932 13.7 60/34 5STP 18F1800 1800 1660 21.0 75/47 5STP 18F1801(T 918-1770-18) 1800 1825 26.2 75/47 5STP 18T1800(T 918C-1770-18) 1800 1870 26.25 74.5/47 5STP 27H1800 1800 3000 50.5 102/63 5STP 30H1801(T 989-3030-18) 1800 3108 47 102/63 5STP 30T1800(T 989C-3030-18) 1800 3108 47 101.5/63 5STP 50Q1800 1800 6100 94 150/100 5STP 09D2201(TV 907-860-22) 2200 863 12 60/34 5STP 17F2201(TV 918-1670-22) 2200 1702 25.5 75/47 5STP 17T2200(TV 918C-1670-22) 2200 1743 25.5 74.5/47 5STP 29H2201(TV 989-2860-22) 2200 2855 45 102/63 5STP 29T2200(TV 989C-2860-22) 2200 2855 45 101.5/63 5STP 06D2800 2800 620 8.0 60/34 5STP 08T2800(TV 907C-800-28) 2800 792 10.6 58.5/34 5STP 08D2801(TV 907-800-28) 2800 792 10.6 60/34 5STP 16F2800 2800 1400 18.0 75/47 5STP 16F2801(TV 918-1500-28) 2800 1554 23.6 75/47 5STP 15T2800(TV 918C-1500-28) 2800 1589 23.6 74.5/47 5STP 24H2800 2800 2625 43 102/63 5STP 27H2801(TV 989-2700-28) 2800 2670 43 102/63 5STP 27T2800(TV 989C-2700-28) 2800 2670 43 101.5/63 5STP 33L2800 2800 3740 60 120/78 5STP 45N2800 2800 5080 75 150/100 5STP 45Q2800 2800 5490 75 150/100 5STP 04D4200 4200 470 6.4 60/34 5STP 06D4200(TV 907-600-42) 4200 598 7.5 58.5/34 5STP 06T4200(TV 907C-600-42) 4200 598 7.5 58.5/34 5STP 12F4200 4200 1150 15 75/47 5STP 12F4201(TV 918-1200-42) 4200 1247 15 75/47 5STP 12F4240(TV 918-1201-42) 4200 1247 15 75/47 5STP 18H4200 4200 2075 32 102/63
