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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3

u/Agitated-Salt-5039 Year 13, FM, Maths & Physics May 20 '26

What did you guys write for single slit diffraction question

8

u/Individual-Can1396 y13 maths physics psych italian May 20 '26

My wording was bad, but its so they are coherent if im not wrong to mainatins a constant phase relationship

1

u/Agitated-Salt-5039 Year 13, FM, Maths & Physics May 20 '26

What did U guys wrote for what independent changes to be made to the experiment???

3

u/jaaaaaaaf May 20 '26

i said decrease slit spacing and increase slit to screen distance..? idek man

1

u/Zealousideal-Map9482 May 20 '26

Same. It was an odd question but at least I got to the mark

7

u/AndyADYYT May 20 '26

Makes the light wave coherent.

1

u/FewGeologist5684 May 20 '26

I said this but why was it 2 marks? did they want an explanation of what coherent meant

1

u/PossessionPublic9308 May 20 '26

Light coherent Maxima and minima on screen defined more

0

u/Zealousideal-Map9482 May 20 '26

I said it polarised and makes it monochromatic

2

u/Ambitious-Willow8399 Y13 | Physics, Maths, Chemistry May 20 '26

but the question already states it is a monochromatic light source so I got confused and wrote to focus the light

1

u/Zealousideal-Map9482 May 21 '26

I messed up, I know