试题与答案

在实验室中,常用悬锤法测蜡块的密度,用天平测出蜡块的质量m,用量筒测量蜡块的体积

题型:选择题

题目:

在实验室中,常用悬锤法测蜡块的密度,用天平测出蜡块的质量m,用量筒测量蜡块的体积如图所示,则计算蜡块的密度公式为

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A.

B.

C.

D.

答案:

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