本题目来源于试卷: Kognity IB Physics A.0 Measurements & Uncertainty，类别为 IB物理学
[单选题]
By averaging three measurements of the same quantity which d blqo;+ se+ab78/)6zcmehnqof the fw5/lqu4 t -qh1ry6rzv ollowing can be y wq/urz45 6-1htlq rvreduced?
A. Random errors
B. Systematic errors
C. Random & systematic errors
D. Zero errors
参考答案: A
本题详细解析:
Systematic errors arise zjajhggw s5 *62n;8wsvo x:e( mr/k1wdue to faulty instrumentation or consistently bad technique. Averaging repeated measurements will not change a systematic bias. So B & C are incorrect. Zero errors are examples of systematic errors, where a the zero of an instrument is not correctly calibrated. So D is incorrect. Random errors will be sometimes too high and at other times too low – so averaging them will have the effect of redusw; v aw85*g wke rgzjsmn: (6jhx/o21cing the random error. Hence A is correct.
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