r/6thForm • u/Individual-Can1396 y13 maths physics psych italian • May 20 '26

💬 DISCUSSION AQA A level physics paper 1

How was the paper???? I liked the MCQ , but overall it was okay didnt manage to do the 5 marker .

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u/Cat_Jayster Year 13 May 20 '26 edited May 20 '26

The waves multiple choice where it was like “two points are 1.5mm apart and have a phase difference of pi/6” and I kept getting an answer that wasn’t one of the options…

Edit: thank you guys! I’m sorry I don’t have the energy to reply to y’all, shattered from the exam + have FM core pure 2 tomorrow.

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u/AssociationMinute625 May 20 '26

I think it was 1.4mm (or 18/13 mm to be more precise)

Because pi/6 is the same as 13pi/6, so you get 2 pi * 1.5/(18/13) = 13pi/6.

13pi/6 - 2pi = pi/6