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# AQA Physics P2 - Unofficial Mark Scheme Watch

1. yeah there is but it's not really very thorough
2. (Original post by Youngey4)
Ayyyy I got 52W
wait isnt it 260/4?
3. (Original post by hafsa473)
wait isnt it 260/4?

No you worked out the power then could divide or multiply it by 12, depends on the way they did it, but 52w is right
I guessed brass for the pins, is that right??

Yes brass is right. I put aluminium, which is also a good inductor. I dunno if tahts right.
5. The boundaries better be lower than last year for both P2 and P3, both were harder than the papers last year so i hope the boundaries will be around 40 to 44 for an A* , should not be higher in my opinion.
6. (Original post by Ferg.)
Do you remember the values given for this question to work out the answer
Just by reading off the graph I used 80N for force and the extension at this force was 0.2m. So K = F/e = 80/0.2 = 400
You could have used any force and just have read off the graph to work out the constant 😁
Then using 400 as the constant multiply by 0.25 to get the force of 1 spring which was 100Nm then times by 3 to get total force = 300N
7. (Original post by Alex5674)
Chin up question was 52w

260 J / 5 seconds
omg yessss everyone was saying a completely different answer 🎉
8. (Original post by HurtfulHarold)
This exam was honestly depressing. It didn't help that I got over confident and thought I could semi wing it.
haha same! Thought the hour of revision the night before was enough. Honestly, if it wasn't for all those mind blowing calculations, I think I might've done alright....
9. (Original post by FNPC)
Yes brass is right. I put aluminium, which is also a good inductor. I dunno if tahts right.
I put metal
I'm too smart for this life.
10. for the brown dwarf question i think you were supposed to right about technological improvements/telescopes? but i made up some rubbish saying something like 'improvements in satellites with better cameras that can travel further to see the brown dwarfs"..... could i get a mark for this lol? i doubt it
11. B1- 43 marks
C1- 35 marks
P1 - 37 marks

B2 - 36 marks
C2 - 38 marks
P2 - 34 marks

Any help for what these may be equal to? 😬😬
12. hey guys, actually filling in a markscheme here if anyone wants to help?

http://www.thestudentroom.co.uk/show....php?t=4171902
13. (Original post by gmus)
i think it was 'how does current affect the wire" i just said it makes it heat up.... ?
me too
14. I KNOW THIS WAS IN P3, BUT I CAN'T FIND A P3 FORUM.
Finding the critical angle question, did it ask for the answer to two decimal places or two significant figures?
Question 1
1. What was the mistake?
Resolution was too large (1)
2. 0.01 (2 d.p) (1)
3. To see a clear pattern (1)
4. Timed after (1)
5. The terminal velocity is higher meaning the drag is lower (use data) (3)
Drag is higher reaches a second terminal velocity
16. (Original post by Ferg.)
I KNOW THIS WAS IN P3, BUT I CAN'T FIND A P3 FORUM.
Finding the critical angle question, did it ask for the answer to two decimal places or two significant figures?
I read 2dp but apparently it was 2sf
17. (Original post by Ferg.)
I KNOW THIS WAS IN P3, BUT I CAN'T FIND A P3 FORUM.
Finding the critical angle question, did it ask for the answer to two decimal places or two significant figures?
The P2 Mark schemes are: http://www.thestudentroom.co.uk/show....php?t=4171131http://www.thestudentroom.co.uk/show....php?t=4171902The P3 Mark scheme is: http://www.thestudentroom.co.uk/show....php?t=4171127
18. (Original post by Mahrez)
I read 2dp but apparently it was 2sf
Me too, I got 41.81 or something.
19. draw the ammeter and calculate the P.D. through the resistors
20. (Original post by Anygy)
haha same! Thought the hour of revision the night before was enough. Honestly, if it wasn't for all those mind blowing calculations, I think I might've done alright....
The grade boundaries will surely go down so you probably did better than you think.

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