國際物理奧賽介紹-全文預(yù)覽
【正文】 on of RB0 and ?RB0 . pt RB0 pt Least squares or equivalent numeric fit. Graphic determination only. pt Missing or incorrect units. pt Incorrect number of digits. pt If 10 ? RB0 13 ? pt ?RB0 pt Least squares or equivalent numeric fit. Graphic determination only. pt Error given without justification. pt RB0 and ?RB0 given with inconsistent number of digits. pt 智浪教育 普惠英才文庫 d) pt a value pt For any putational error in the use of RB0 or ?RB0 . pt ?a value pt Appropriate numeric method used. Error given without justification. pt a and ?a given with inconsistent number of digits. pt TASK 3. points ?0 pt For 585 nm ?0 595 nm . If ?0 595 nm or ?0 585 nm . pt ?0 given with precision better than 1 nm . pt ?? pt For 20 nm ? ??0 ? 30 nm . For ??0 20 nm or ??0 30 nm . pt ?0 and ??0 given with inconsistent number of digits. pt 智浪教育 普惠英才文庫 TASK 4. points a) pt 8 or more readings. From 6 to 8 readings. pt Less than 6 readings. pt Readings made with improper scales (200V, 20 A o R scale living too few digits). pt Units or quantities missing in each of the columns. pt Incorrect number of digits in each of V, I or R. pt 智浪教育 普惠英才文庫 b) 0 pt R and R’ pt R not the last reading made in the previous question.. pt R’ in the range between R and R R’ R or R’ R . pt ? and ?? pt ? 0 pt ? not puted . pt ? or ? . pt ? given with other than 2 digits. pt ?? 0 pt Computed using methods for indirect measurements or numeric methods. ?y given without justification. pt ? and ?? given with inconsistent number of digits. pt c) pt Missing or wrong equation. pt 智浪教育 普惠英才文庫 d) pt Column and values for 1/T missing. pt Column and values for ln R missing. pt Values of T or 1/T inconsistent with equation (6). pt lnR putation is incorrect. pt For each column with incorrect number of digits. pt Fit made with less than 12 points. pt 智浪教育 普惠英才文庫 e) pt Graphics pt Improper scale/aspect ratio obscuring data trend. (**) pt Units or quantities missing in any of the axes. pt Plot joined by saw tooth. pt More than 30 % of the data points are misaligned (*). pt h and ?h pt h pt Using least squares fit or equivalent numeric method. Graphically only. pt Missing or incorrect units . pt Incorrect number of digits. pt If h ?1034 J ???????????????????BBBBBBBBBRRRRRRRxxRxRxError for lnR : 。0 m i nm a x ??????? ????R = k? ? = R’ = k? ?? = 智浪教育 普惠英才文庫 c) lnln l y c o n s e q u e n t ( 6 ) of B e c a u s elnln t h e n ( 3 ) t h a t k n o w We023023302???????BBTcRaccRaRTTccRecR?????? ( 9 ) E q . lnln 023???BRaccR??智浪教育 普惠英才文庫 V /V I / mA RB / ? T / K (.) R / k? ln R ? ? ? 1962 ? 18 ( ? )102 ? ? ? ? ? 1980 ? 18 (? )102 ? ? ? ? ? 1987 ? 18 (? )102 ? ? ? ? ? 2020 ? 18 (? )102 ? ? ? ? ? 2018 ? 18 (? )102 ? ? ? ? ? 2028 ? 18 (? )102 ? ? ? ? ? 2041 ? 18 (? )102 ? ? ?
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