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 i 2n27,hd-vh2 kiegx7 sd7d ;klkb1qves plotted g7:h/f.)21li0 dayoek5v6c rjoh tvr. Theory states that P should vary li vyi.o fdrch or06h/2l)ge7v1 ka5tj : nearly 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 bko* 8fpt. a0u;:2eyx6g8t peh3 k4ira 1dkcyc elieve that all graphs 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 originad2ci*ky61tay p xt8k03.4rp:;hge u co8fk e 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