17. 如图所示，某同学握住软绳的一端周期性上下抖动，在绳上激发了一列简谐波。从图示时刻开始计
时，经过半个周期，绳上 M 处的质点将运动至__________（选填“ N”“ P”或“ Q”）处。加快抖动，波
的频率增大，波速__________（选填“增大”“减小”或“不变”） 。
热力学第二定律与能量耗散 · 历年高考物理真题与解析
本页汇总 高考真题检索 的「热力学第二定律与能量耗散」高考物理真题共 1 道，覆盖 2022 年，最常出题型为 填空题；含完整答案与解析。
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