a doubt in phy paper 5

[naeemriaz]

so what you i write the uncenternity as when they ask us. In question 2 iii, iv should we find the uncerntiny by (best fit gradient - worst fit gradient) or by 1/2 (best fit gradient - worst fit gradient)

http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s09_qp_5.pdf

http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s09_ms_5.pdf

 

[TaimoorK]

No to find uncertainty of gradient there are 2 ways 1. Best fit- Worst fit thats all !! or 2.(Worst fit- other worst fit)/2 but since u only gonna find one best fit and one worst fit i recommend 1!