当地大气压强Pa=105N/m2,如某点的绝对压强是106 N/m2。则该点的相对压强是 ( ) -题库考试答案搜索网

当地大气压强Pa=105N/m2,如某点的绝对压强是106 N/m2。则该点的相对压强是 ( )

单选题

2021-07-17 23:27

A、10N/m2
B、9×105N/m2
C、0.9×105N/m2
D、104N/m2

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正确答案

B

试题解析

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