油雾室上下极板不加电压,油滴在油雾室中从静止开始下落,对所做运动的描述哪一个正确( ) -题库考试答案搜索网

油雾室上下极板不加电压,油滴在油雾室中从静止开始下落,对所做运动的描述哪一个正确( )

单选题

2021-09-01 23:33

A、 先匀加速下落,后匀速下落 
B、 先变加速下落,后匀速下落 
C、 一直匀速下落  
D、 一直加速下落 

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正确答案

B

试题解析

标签：青书学堂黑龙江省教育学院近代物理实验（专升本）

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