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 Q varies is p uw 0o6q +f9xrdlotted. Theory st 3.xz7c* f2upd;4msr f25ylxzdqd ln6ates that P should vary linea s ;47zddr*f5y 2mn xxp z ld6.2cqfl3urly 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 believe that all graphs must go through the origin.+ ynych,db8 2o:va+ra In physics many do not. But the scatter of the points suggests there are significant random errors. The fact that the line of best fi+yvrc,2 ny a+ ab:h8dot 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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Post time 2024-8-21 21:38:19