考试中常常会出现由于概念不清、推理无据、忽视条件、思维混乱、考虑不周等因素而错解题目的现象.下面结合实例分析错误发生的原因.一、概念不清,轻易上当物理规律、物理概念都有其成立的条件和一定的适用范围.对物理概念理解模糊,搞不清 The phenomenon of misunderstanding of the subject often arises because of unclear concepts, unreasonable reasoning, ignorance of conditions, confusion of thinking, ill-considered considerations, etc. The following analysis of the causes of mistakes is based on practical examples. First, the concept is unclear, and it is easy to fall in love with physics. The laws and physics concepts have their established conditions and certain scope of application. The understanding of physical concepts is ambiguous and confusing.