如图所示,在装有适量水的盘子中央,固定一支点燃的蜡烛,然后将

如图所示,在装有适量水的盘子中央,固定一支点燃的蜡烛,然后将一个透明的玻璃杯倒扣在蜡烛上,蜡烛火焰很快熄灭,盘中的水在        的作用下进入杯中.这一过程中,杯中水柱产生的压强将     。  

 

 

 

 

 

 

答案

大气压      增大 

 解析:略

 

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