2024届贵州省高二12月联考(24-203B)物理试卷答案试卷答案,炎德英才答案网站目前收集并整理关于2024届贵州省高二12月联考(24-203B)物理试卷答案试卷答案得系列试题及其答案，更多试题答案请关注我们

2024届贵州省高二12月联考(24-203B)物理试卷答案试卷答案

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第二部分阅读（共两节，满分50分）第一节（共15题：每小题2.5分，满分37.5分》阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项

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2024届贵州省高二12月联考(24-203B)物理试卷答案第一部分

1.核污水中存在大量超标的放射性物质,比如铯的同位素Cs,铯137的放射性会破坏人体的细胞和组织,引起放射性损伤,下列关于核污水中的放射性物质说法正确的是A.若Cs的半衰期为30.17年,则10个Cs经过30.17年还剩5个B.Cs发生β衰变的方程为号Cs—17Xe+-ieC.将Cs置于大海深处,温度以及压强发生改变,则Cs的半衰期发生改变D.1Cs会破坏人体的细胞和组织,这与Cs衰变时释放的γ射线有关

2024届贵州省高二12月联考(24-203B)物理试卷答案第二部分（待更新）

5.如图所示,三个质量均为m的小球A、B、C用三个相同的轻弹簧(重力不计)连接,用细线悬于O点处于静止状态,此时三个轻弹簧的长度相同,重力加速度为g,A球不带电,B、C是带电小球,重力加速度为g,不计小球的大小,则下列判断正确的是A.B、C两个小球带异种电荷B.B、C两个小球带等量的电荷C.B、C两球间的库仑力大小为3mgD.细线上的张力大于3mg