空盘时天平指针指向零位,加20mg砝码,指针停在2小格上,问天平的感量、灵敏度是多少?

作者: rantiku 人气: - 评论: 0
问题 空盘时天平指针指向零位,加20mg砝码,指针停在2小格上,问天平的感量、灵敏度是多少?
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解析 天平感量=砝码质量/小格数=20mg/2格=10mg/格灵敏度为感量的倒数,所以: 1/感量=1/100mg/格=0.1格/mg

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