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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

[单选题]
The variation of quantity P as quantity sevc;0c0ox 8tQ varies is ple lyb/a)i;1ea otted. Theory states that P should vary linearly with Qa; /aebiy)1el .


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 believe that all grapgc 98)5stg okv9a:v eehs must go through the origin. In physics many do not. But the scatter of the points suggests there 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 theovgeg tovek:8a 5s)99cretical reason to believe that the line must go through the origin.
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