线强度与距离平方在测试距离内呈线性关系，倾斜值为-2．04，证明本实验中的“距离反平方定律”成立。

X ray intensity was linearly related to the distance squared in the measured disance. The gradient was -2.04 confirming the validity of "disance inverse square law" in this experiment.

youdao

线强度与距离平方在测试距离内呈线性关系，倾斜值为-2．04，证明本实验中的“距离反平方定律”成立。

X ray intensity was linearly related to the distance squared in the measured disance. The gradient was -2.04 confirming the validity of "disance inverse square law" in this experiment.

youdao