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用量筒量取液体:俯视时,测得值小于真实值量;仰视时,测得值大于真实值 为什么。。谢谢了,大神帮忙啊
用量筒量取液体:俯视时,测得值小于真实值量;仰视时,测得值大于真实值 为什么。。谢谢了,大神帮忙啊
为什么。。 速度
2025年04月06日 19:04
有1个网友回答
网友(1):
不是折射。而是因为水在试管内有张力。水面是下凹的。俯视的时候看凹面底部相对于可与来说读数会变小。仰视的时候读数会变大。只有平视才能回去凹面的真实读数。
记得采纳啊
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