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绵阳市,2019-2020学年第一学期期末质量检测八年级物理试题2020年01月16日/UploadFiles/nopic.gif
本试卷分为试题卷和答题卡两部分,试题卷共6页,答题卡共2页。满分100分。考试时间90分钟。注意事项:1.答本试卷分为试题卷和答题卡两部分,试题卷共6页,答题卡共2页。满分100分。考试时间90分钟。注意事项:1.答题前,考生务必将自己的学校、班级、姓名、考号用0.5毫米的黑色签字笔填写在答题卡上。2.选择题使用2B铅笔填涂在答题卡对应题目标号位置上,非选择题用0.5毫米黑色签字笔书写在答题卡对应框内,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。3.考试结束后,将答题卡收回。第Ⅰ卷(选择题,共32分)一、单项选择题(每小题2分,共32分)1.“估测”是对过程和结果进行粗略估计的一种能力,下列估测与实际情况最接近的是A.篮球从篮板上的篮筐落到地面的时间约为0.5minB.观察某支温度计时,估测它的分度值两刻度线之间宽度约是2.5
【内容简介】本试卷分为试题卷和答题卡两部分,试题卷共6页,答题卡共2页。满分100分。考试时间90分钟。注意事项:1.答题前,考生务必将自己的学校、班级、姓名、考号用0.5毫米的黑色签字笔填写在答题卡上。2.选择题使用2B铅笔填涂在答题卡对应题目标号位置上,非选择题用0.5毫米黑色签字笔书写在答题卡对应框内,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。3.考试结束后,将答题卡收回。第Ⅰ卷(选择题,共32分)一、单项选择题(每小题2分,共32分)1.“估测”是对过程和结果进行粗略估计的一种能力,下列估测与实际情况最接近的是A.篮球从篮板上的篮筐落到地面的时间约为0.5minB.观察某支温度计时,估测它的分度值两刻度线之间宽度约是2.5×10-3mmC.本堂考试时考室内的温度大约是一个标准大气压下水的沸点的一半D.一般成年人的步行速度约是声音在15℃的空气中传播速度的三百分之一2.将正在发声的音叉放入水中,观察到音叉的周围溅起许多水花,这一物理现象说明A.发声的音叉在振动B.音叉发出的超声波具有能量C.声音从空气传入水中响度变大D.声音从空气传入水中速度变小3.关于光有以下说法:①光年的国际单位是s;②“坐井观天,所见甚小”隐含了光的直线传播原理;③平静湖面上的“倒影”,说明平面镜能成“与物等大、倒立的像”;④透过书桌上的玻璃板斜看玻璃板下面的字,看到的是字的虚像。对这些说法的判断正确的是A.①②③④都正确 B.①②④正确,③错误C.②③正确,①④错误 D.②④正确,①③错误4.如图所示,当用一个力F将一个气球压入水中的过程(气球不会漏气且不会爆裂),球内气体的质量和密度变化情况及杯中水的相关情况变化正确的是A.球内气体质量变大,密度变大;杯中水的质量不变B.球内气体质量不变,密度变小;杯中水的密度不变C.球内气体质量变小,密度不变;杯中水的体积不变D.球内气体质量不变,密度变大;杯中水面高度增加5.用手机扫描二维码相当于给二维码拍一张照片。现有一边长为2cm的正方形二维码,若用u表示二维码到镜头的距离,v表示所生成的像到镜头的距离,f表示镜头的焦距,s表示这张二维码的面积,s像表示所生成的像的面积,下列说法中正确的是A.手机镜头扫描二维码成的是正立的实像B.u>2f,f本试卷分为试题卷和答题卡两部分,试题卷共6页,答题卡共2页。满分100分。考试时间90分钟。注意事项:1.答题前,考生务必将自己的学校、班级、姓名、考号用0.5毫
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各地2019-2020学年八年级上学期期末考试物理试题汇总
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下载地址1|sj/2020/1/20201168522.docx<p style="margin-left:0;text-indent:28px;line-height:130%">本试卷分为试题卷和答题卡两部分,试题卷共<span style="font-family:'Times New Roman','serif'">6</span>页,答题卡共<span style="font-family:'Times New Roman','serif'">2</span>页。满分<span style="font-family:'Times New Roman','serif'">100</span>分。考试时间<span style="font-family: 'Times New Roman','serif'">90</span>分钟。</p><p style="margin-left:0;line-height:130%"><span style="font-family:黑体">注意事项:</span></p><p style="margin-left:0;text-indent:28px;line-height:130%"><span style="font-family:'Times New Roman','serif'">1.</span>答题前,考生务必将自己的学校、班级、姓名、考号用<span style="font-family:'Times New Roman','serif'">0.5</span>毫米的黑色签字笔填写在答题卡上。</p><p style="margin-left:0;text-indent:28px;line-height:130%"><span style="font-family:'Times New Roman','serif'">2.</span>选择题使用<span style="font-family: 'Times New Roman','serif'">2B</span>铅笔填涂在答题卡对应题目标号位置上,非选择题用<span style="font-family:'Times New Roman','serif'">0.5</span>毫米黑色签字笔书写在答题卡对应框内,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。</p><p style="margin-left:0;text-indent:28px;line-height:130%"><span style="font-family:'Times New Roman','serif'">3.</span>考试结束后,将答题卡收回。</p><h1 style="margin-left:0;text-align:center;line-height:130%"><strong><span style="font-size:19px;line-height:130%">第</span></strong><strong><span style="font-size: 19px;line-height:130%;font-family:'Times New Roman','serif'">Ⅰ</span></strong><strong><span style="font-size:19px;line-height:130%">卷(选择题,共</span></strong><strong><span style="font-size:19px;line-height:130%;font-family:'Times New Roman','serif'">32</span></strong><strong><span style="font-size:19px;line-height:130%">分)</span></strong></h1><p style="margin-left:0;line-height:130%"><span style="font-family:黑体">一、单项选择题(每小题2分,共32分)</span></p><p style="margin-left:0;line-height:130%"><span style="font-family:'Times New Roman','serif'">1.</span><span style="font-family:'Times New Roman','serif'">“</span>估测<span style="font-family:'Times New Roman','serif'">”</span>是对过程和结果进行粗略估计的一种能力,下列估测与实际情况最接近的是</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">A.</span>篮球从篮板上的篮筐落到地面的时间约为<span style="font-family:'Times New Roman','serif'">0.5min</span></p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">B.</span>观察某支温度计时,估测它的分度值两刻度线之间宽度约是<span style="font-family:'Times New Roman','serif'">2.5×10</span><sup>-</sup><sup><span style="font-family:'Times New Roman','serif'">3</span></sup><span style="font-family:'Times New Roman','serif'">mm</span></p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">C.</span>本堂考试时考室内的温度大约是一个标准大气压下水的沸点的一半</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">D.</span>一般成年人的步行速度约是声音在<span style="font-family:'Times New Roman','serif'">15</span><span style="font-family:'Times New Roman','serif'">℃</span>的空气中传播速度的三百分之一</p><p style="margin-left:0;line-height:130%"><span style="font-family:'Times New Roman','serif'">2.</span>将正在发声的音叉放入水中,观察到音叉的周围溅起许多水花,这一物理现象说明</p><p style="margin-left:22px;line-height:130%"><img width=" 122px" height=" 91px" src="http://www.czwlzx.com/UEditor/themes/default/images/spacer.gif" style="background:url(http://www.czwlzx.com/UEditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd" /><span style="font-family:'Times New Roman','serif'">A.</span>发声的<span style="font-family:'Times New Roman','serif'">音叉在振动</span></p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">B.音叉发出的超声波具有能量</span></p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">C.声音从空气传入水中响度变大</span></p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">D.声音从空</span>气传入水中速度变小</p><p style="margin-left:21px;line-height:130%"><span style="font-family: 'Times New Roman','serif'">3.</span>关于光有以下说法:<span style="font-family: 'Times New Roman','serif'">①</span>光年的国际单位是<span style="font-family:'Times New Roman','serif'">s</span>;<span style="font-family:'Times New Roman','serif'">②“</span>坐井观天,所见甚小<span style="font-family:'Times New Roman','serif'">”</span>隐含了光的直线传播原理;<span style="font-family:'Times New Roman','serif'">③</span>平静湖面上的<span style="font-family: 'Times New Roman','serif'">“</span>倒影<span style="font-family:'Times New Roman','serif'">”</span>,说明平面镜能成<span style="font-family:'Times New Roman','serif'">“</span>与物等大、倒立的像<span style="font-family: 'Times New Roman','serif'">”</span>;<span style="font-family:'Times New Roman','serif'">④</span>透过书桌上的玻璃板斜看玻璃板下面的字,看到的是字的虚像。对这些说法的判断正确的是</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">A.①②③④</span>都正确<span style="font-family:'Times New Roman','serif'"> </span><span style="font-family:'Times New Roman','serif'">B.</span><span style="font-family:'Times New Roman','serif'">①②④</span>正确,<span style="font-family:'Times New Roman','serif'">③</span>错误</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">C.</span><span style="font-family:'Times New Roman','serif'">②③</span>正确,<span style="font-family:'Times New Roman','serif'">①④</span>错误<span style="font-family:'Times New Roman','serif'"> </span><span style="font-family:'Times New Roman','serif'">D.</span><span style="font-family:'Times New Roman','serif'">②④</span>正确,<span style="font-family:'Times New Roman','serif'">①③</span>错误</p><p style="margin-left:21px;line-height:130%"><img width=" 62px" height=" 82px" src="http://www.czwlzx.com/UEditor/themes/default/images/spacer.gif" style="background:url(http://www.czwlzx.com/UEditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd" /><span style="font-family:'Times New Roman','serif'">4.</span>如图所示,当用一个力<span style="font-family:'Times New Roman','serif'">F</span>将一个气球压入水中的过程<span style="font-family:'Times New Roman','serif'">(</span>气球不会漏气且不会爆裂<span style="font-family:'Times New Roman','serif'">)</span>,球内气体的质量和密度变化情况及杯中水的相关情况变化正确的是</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">A.</span>球内气体质量变大,密度变大;杯中水的质量不变</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">B.</span>球内气体质量不变,密度变小;杯中水的密度不变</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">C.</span>球内气体质量变小,密度不变;杯中水的体积不变</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">D.</span>球内气体质量不变,密度变大;杯中水面高度增加</p><p style="margin-left:21px;line-height:130%"><span style="font-family: 'Times New Roman','serif'">5.用手机扫描二维码相当于给二维码拍一张照片。现有一边长为2cm的正方形二维码,若用u表示二维码到镜头的距离,v表示所生成的像到镜头的距离,f表示镜头的焦距,s表示这张二维码的面积,s像表示所生成的像的面积,下列说法中正确的是</span></p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">A.</span>手机<span style="font-family:'Times New Roman','serif'">镜头</span>扫描二维码成的是正立的实像</p><p style="margin-left:22px;line-height:130%"><span style="font-family:'Times New Roman','serif'">B.u</span><span style="font-family:'Times New Roman','serif'">>2f</span>,<span style="font-family:'Times New Roman','serif'">f</span><span style="font-family:'Times New Roman','serif'"><</span><span style="font-family:'Times New Roman','serif'">v</span><span style="font-family:'Times New Roman','serif'"><</span><span style="font-family:'Times New Roman','serif'">2f</span>,<span style="font-family:'Times New Roman','serif'">s</span><sub>像</sub><span style="font-family:'Times New Roman','serif'"><</span><span style="font-family:'Times New Roman','serif'">s=4</span><span style="font-family:'Times New Roman','serif'">×</span><span style="font-family:'Times New Roman','serif'">10<sup>-4</sup>m<sup>2</sup></span></p><p><br /></p>人教版四川试题试卷免费docx
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