Question

In a lab experiment, the uncertainty on the slope was σslope = 0.03. The maximum slope...

In a lab experiment, the uncertainty on the slope was σslope = 0.03. The maximum slope was 0.41 and the minimum slope was 0.29. The number of data points on the graph was：?

I just dont know which formular I should use for this question. BTW: final answer is 6.

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Answer #1

Uncertaintyslpoe = (Max. slope - Min. slope) / (Pmax - Pmin)

where, Pmax = Point at Max. slope occcur

Pmin = Point at Min. slope occcur

Now from question data-

0.03 = (0.41 - 0.29) / (Pmax - Pmin)

(Pmax - Pmin ) = 0.12/0.03 = 4

Here (Pmax - Pmin) = 4 (This value shows the point between tha Pmax and Pmin and Graph include the Pmax and Pmin also)

Than-

The number of data point = 4+2 = 6 (2 is for Pmax and Pmin)

Thankyou !!! Have fun

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