云南省玉溪市普通高中2025-2026学年高三下学期毕业生第二次教学质量检测物理试卷

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【考试时间:4月14日9:00—10:15】

2025—2026学年玉溪市普通高中毕业生第二次教学质量检测

物理试卷

注意事项:

1.答卷前,考生务必用黑色碳素笔将自己的姓名、准考证号、考场号、座位号填写在答题卡上,并认真核准条形码上的准考证号、姓名、考场号、座位号及科目,在规定的位置贴好条形码。

2.回答选择题时,选出每小题答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。回答非选择题时,将答案写在答题卡上。写在本试卷上无效。

3.考试结束后,将本试卷和答题卡一并交回。

一、选择题:本题共10小题,共46分。在每小题给出的四个选项中,第1~7题只有一项符合题目要求,每小题4分;第8~10题有多项符合题目要求,每小题6分,全部选对的得6分,选对但不全的得3分,有错选的得0分。

1.下列说法正确的是

A.图甲是照相机镜头上的增透膜,利用了光的偏振

B.图乙是用X射线拍摄的DNA晶体的照片,利用了X射线的干涉

C.图丙中肥皂膜稳定时,能看到薄膜上有竖直条纹,这是光的衍射现象

D.图丁,喷泉拱门中的光沿弯曲水流传播,利用了光的全反射

2.春节期间,在聂耳广场举办的大型无人机表演受到群众广泛好评。图甲、图乙为一架无人机某段时间内在水平方向和竖直方向的速度—时间图像,以水平向右为x轴正方向,竖直向上为y轴正方向。这段时间内无人机的运动轨迹正确的是

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A. B. C. D.

3.根据安全标准,合格的防滑拖鞋与湿态地面之间的动摩擦因数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要大于0.4。小华通过以下实验测试某拖鞋,他在瓷砖表面均匀洒水后,把拖鞋静置于瓷砖上,再将瓷砖一端缓慢抬起,测得当瓷砖倾角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时拖鞋恰好开始滑动,继续缓慢增大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,直到拖鞋下滑接触地面。假设最大静摩擦力等于滑动摩擦力,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,。下列说法正确的是

A.拖鞋相对瓷砖滑动前,拖鞋对瓷砖的作用力方向竖直向下

B.拖鞋相对瓷砖滑动前,支持力对拖鞋不做功

C.该拖鞋满足防滑安全标准

D.在此过程中,拖鞋受到的摩擦力一直增大

4.我国将于2030年以前实现载人登月目标。图为月球探测器实施近月制动后变轨的三条轨道。探测器先进入近月点高度200 km、远月点高度8600 km、周期12小时的大椭圆环月轨道,然后进入椭圆停泊轨道,最后进入高度约200 km的圆轨道。已知三条轨道公切于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点,月球半径约为1800 km,下列说法正确的是

A.探测器在大椭圆轨道上从远月点运行至近月点的过程中机械能不断增大

B.探测器在不同轨道运行时,探测器与月心连线在相同时间内扫过的面积相等

C.探测器在椭圆停泊轨道运行经过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点时的加速度大于在圆轨道运行经过点时的加速度

D.根据题中数据可以估算探测器在200 km圆轨道运行的周期

5.两列横波的振幅均为0.6 m,波长均为8 m,波速均为4 m/s,这两列波相遇时某一时刻的情况如图所示,实线表示波峰,虚线表示波谷,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为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的中点,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是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延长线上与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点相距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number 1

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A.图中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、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两点是振动加强点,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点是振动减弱点

B.图示时刻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点处于平衡位置,且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点即将向上振动

C.从图示时刻经2 s,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处质点通过的路程为4.8 m

D.从图示时刻经1.5 s,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点开始振动

6.如图甲所示,手机无线充电底座中的送电线圈有15匝,手机内的受电线圈有30匝,面积均为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。送电线圈中通以频率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的交流电,产生按正弦规律变化的磁场,峰值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,如图乙所示。不计漏磁和能量损耗,受电线圈中感应电动势的有效值约为

A.6.6 V B.9.4 V C.13.3 V D.18.8 V

7.两个电荷量绝对值分别为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和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的点电荷固定在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轴上,其中一个位于坐标原点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处,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轴正半轴的电势分布如图所示,其中图像最低点对应的横坐标为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A.固定在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处的点电荷的电荷量为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

B.另一个点电荷固定在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处

C.试探电荷eqWmf183GmgAAAAAAAEABoAEECQAAAAD1XgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAUABCwAAACYGDwAMAE1hdGhUeXBlAABQABIAAAAmBg8AGgD/////AAAQAAAAwP///yYAAAAAAQAAxgEAAAUAAAAJAgAAAAIFAAAAFAIAATQAHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuALjP7wID7I92sJCVdtsKkHYEAAAALQEAAAkAAAAyCgAAAAABAAAAcQAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHC0RTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIFxAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIQAAcAAAAAALwCAAAAhgECAiJTeXN0ZW0AAMgAigQAAAoABgAAAPAjZkXIAIoE2wqQdgQAAAAtAQEABAAAAPABAAADAAAAAAA=将会向左运动,到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处时动能达到最大

D.试探电荷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将会向右做加速度减小的加速运动

8.如图所示为四个与光电效应有关的图像,下列说法正确的是page number 2

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