如右图所示在一端封闭的u型管中注入适量的水银使左管封闭有一定量的气体当在右边开口处注入20cm的水柱左右水银面高度差为2cm则左边 Sketch Coloring Page

如右图所示在一端封闭的u型管中注入适量的水银使左管封闭有一定量的气体当在右边开口处注入20cm的水柱左右水银面高度差为2cm则左边 Template

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tomski如右图所示在一端封闭的u型管中注入适量的水银使左管封闭有一定量的气体当在右边开口处注入20cm的水柱左右水银面高度差为2cm则左边 coloring

如右图所示在一端封闭的U型管中注入适量的水银使左管封闭有一定量的气体当在右边开口处注入20cm的水柱左右水银面高度差为2cm则左边 sketch template

如图所示在U形管中先注入水待水静止后�U形管左管中注入比水�的水银则两侧液面静止后 A．左管中水银液面高B．右管中水面高C．左右两 sketch template

同学们利用压强计等装置“探究液体内部压强”的规律，进行了如下的操作：（1）在使用压强计前，�现U形管中两侧液面已有高度差（如图甲所示），接 sketch template

如图甲所示在长约1m的一端封闭的玻璃管中注满清水水中放一个圆柱形的红蜡块R将玻璃管的开口端用胶塞塞紧将此玻璃管迅速竖直倒置红蜡块R就 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

题目如图所示在一端封闭的粗细均匀的U形玻璃管中用水银柱封闭一段空气柱U形管底边宽度为d=4cm开口一侧管很长当空气柱的温度为27 sketch template

如图所示是用压强计探究液体内部压强的情境 1把探头放入水中通过观察U型管两边液面的高度差来判断探头处水的压强的大小高度差越大水 sketch template

题目如图所示两个透明容器中密闭着等质量的空气U型管中液面高度的变化反应密闭空气温度的变化1如图甲所示探究的是电流通过导体产生的 sketch template

如图所示U型管的左端被水和胶塞封闭有甲烷和氯气的混和气体假定氯气在水中溶解度可以忽略将该装置放置在有光亮的地方让混和气体充分反应一段 sketch template

题目如图所示U形管两臂粗细不等开口�上右端封闭的粗管横截面积是开口的细管的4倍管中装入水银大气压为75cmHg左端开口管中水银 sketch template

如右图所示�小试管里分别加入一定量的下列物质右侧U型管中的液面未�生明显变化该物质是 A浓硫酸 B食盐 C生石灰 D烧碱 sketch template

小强同学用如图所示的装置验证电流通过导体时产生的热量与导体电阻大小通过导体的电流和通电时间的关系．图中两个密封的烧瓶内盛满质量和温度都相同 sketch template

如图所示一竖直放置粗细均匀且足够长的U形玻璃管右端通过橡胶管与放在水中的导热�属球形容器连通球形容器的容积为v0=90cm3用U形 sketch template

百度教育 sketch template

题目如图1所示是演示“流体压强和流速的关系实验装置U型管中装有水直径相同的ab两管中的水静止时液面相平1如果在右端c处往装置 sketch template

如图所示是托里拆利实验的装置图请回答下列问题．1如图甲先在一端封闭约1米长的细玻璃管内灌满水银确保管内没有空气2如图乙大拇指 sketch template

如图所示，在盛有油和水的圆柱形容器的盖上加载F=5788N。已知h1=50cm，h2=30cm，d=04m，油密度为800kg/m3。可获得 sketch template

5．如图所示在一个装有水的容器内在水中有一个小试管开口�下竖直浮于水面上试管露出水面的高度为h管内外水面的高度差为H当将容器封闭并� sketch template

如图所示�盛有水的小试管中分别加入一定量的下列物质U型管两端的液面左高右低则加入的物质是 A．生石灰B．活性炭C．苛性钠D．硝酸铵 sketch template

如图所示U型管的A端封有气体B端也有一小段气体现用一条小铁丝插至B端气体轻轻抽动使B端上下两部分水银柱相连接设外界温度不变则A端 sketch template

U型管 百度百� sketch template

如图所示某种自动洗衣机进水时与洗衣缸相连的细管中会封闭一定质量的空气通过压力传感器感知管中的空气压力从而控制进水量．设温度不变洗衣缸 sketch template

题目如图所示U形管两臂粗细不等开口�上右端封闭的粗管横截面积是开口的细管的4倍管中装入水银大气压为75cmHg左端开口管中水银 sketch template

左端封闭右端开口的粗细均匀的U型玻璃管倒置时如图其中斜线部分为水银．若此管保持竖直状态做自由落体运动则与释放前相比 A．气柱I长度 sketch template

如图所示U型管中间被一种能允许水分子通过而二糖不能透过的半透膜隔开现在两侧分别加入 0．1 Mol/L的蔗糖溶液和麦芽糖溶液一段时间后左右 sketch template

如图所示粗细均匀且导热良好的U形管竖直放置横截面积为S=2cm2右端与大气相通左端用水银柱封闭着L=50cm的气柱左管的水银面比右管 sketch template

如图所示�盛有水的小试管中分别加入一定量的下列物质U型管两端的液面左高右低则加入的物质是 A．生石灰B．活性炭C．苛性钠D．硝酸铵 sketch template

如右图所示将铁棒和石墨棒插入盛有饱和NaCl溶液的U型管中下列分析正确的是 A．K1闭合铁棒上�生的反应为2H 2e →H2� B sketch template

如图23所示在一根一端封闭且粗细均匀的长玻璃管中用水银柱将管内一部分空气密封当管口�上竖直放置时管内空气柱的长度L1为030 M压强 sketch template

如图所示一端封闭的玻璃管装满水银后竖直地倒立在水银槽内管顶高出液面50厘米在标准大气压下则 A．水银对玻璃管顶端的压强为 sketch template

如图所示一根横截面积S=1cm2的长管两端开口竖直插入水银槽中有两个质量都是m=20g的密闭活塞AB在管中封闭两段长都是l0 sketch template

9． 如图所示粗细均匀的U形管内装有总长为4L的水开始时阀门K闭合左右支管内水面高度差为L打开阀门K后左右水面刚好相平时左管液面的 sketch template

如图所示粗细均匀竖直放置的U形玻璃管左上端封闭右上端开口当温度为时管内用水银封闭着长L1=8cm的空气柱这时两管内水银面等高已知 sketch template

如图所示粗细均匀的U形管左端封闭右端开口左端用水银封闭着长L=15cm的理想气体当温度为27℃时两管水银面的高度差 H=3cm．设 sketch template

如图所示一端开口一端封闭的玻璃管封闭端有一定质量的气体开口端置于水银槽中用弹簧测力计拉着玻璃试管而平衡此时管内外水银面高度差为h1 sketch template

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