Quantum Mechanics of Atoms (id: a931856f7)

本题目来源于试卷: Quantum Mechanics of Atoms，类别为 IB物理学

[填空题]
A free neutron $(m=1.67 \times 10^{-27} \, \text{kg})$ has a mean life of $900 \, \text{s}$. What is the uncertainty in its mass (in kg)?
${\Delta m}$=    $\times 10^{-54}\ \text{kg}$

参考答案: 1.30±2%


本题详细解析:

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