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Question 20N.1B.SL.TZ0.b(iv)

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Date November 2020 Marks available [Maximum mark: 2] Reference code 20N.1B.SL.TZ0.b(iv)
Level SL Paper 1B Time zone TZ0
Command term State Question number b(iv) Adapted from N/A
b(iv).
[Maximum mark: 2]
20N.1B.SL.TZ0.b(iv)

The percentage uncertainty for γ is 15%. State γ, with its absolute uncertainty.

[2]

Markscheme

«15% of 0.025» = 0.00375
OR
«15% of 0.030» = 0.0045 ✓

rounds uncertainty to 1sf
±0.004
OR
±0.005 ✓

 

Allow ECF from (b)(i)
Award [2] marks for a bald correct answer

Examiners report

Well answered. A significant number did not round the uncertainty to match the value of gamma.

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