推理是物理学中研究问题经常用的一种方法.例如在“研究声音的传播实验中.现有的抽气设备总是很难将瓶内的空气全部抽走.在这种情况下.你是怎样通过实验现象得出“声音不能在真空中传播这一结论的? 题目和参考答案——青夏教育精英家教网——

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推理是物理学中研究问题经常用的一种方法，例如在“研究声音的传播”实验中，现有的抽气设备总是很难将瓶内的空气全部抽走，在这种情况下，你是怎样通过实验现象得出“声音不能在真空中传播”这一结论的?

随着瓶内空气的不断抽出，瓶外听到的音乐声越来越小，由此可以科学推理（设想）瓶内没有空气为真空时瓶外就听不到声音了，于是得出“声音不能在真空中传播”的结论解析:
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