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Kognity IB Physics A.0 Measurements & Uncertainty (id: d9eac2f7a)

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Post time 2024-8-21 21:38:19 | Show all posts |Read mode
本题目来源于试卷: Kognity IB Physics A.0 Measurements & Uncertainty,类别为 IBDP Physics

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The variation of quantity P as quantity Q2yir)r7d +5jr7cis idg/2qe z varies is plotted. Theory state)8f-6wukzar ) v q1vubs that P should vary linear-k 6)bvuavr)fq 1uw 8zly with Q.


A. The systematic errors are substantial.
B. The random errors are substantial.
C. The random errors and the systematic errors are insignificant.
D. The random errors and the systematic errors are substantial.


参考答案:  B


本题详细解析:
It is a mistake to beleh). na s5f+xgieve that all graphs must go through the origin. In physics many do not. But the scatter of the points suggests theg she5 )+nafx.re are significant random errors. The fact that the line of best fit does not go through the origin can only be taken of evidence of a systematic error only if there is good theoretical reason to believe that the line must go through the origin.

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