UNOFFICIAL MARKSCHEME!~AQA GCSE Physics Unit 2 25th Janurary NEW SPEC Watch

Poll: How did you find the exam?
Very Easy (10)
10.75%
Easy (32)
34.41%
Ok (38)
40.86%
Hard (7)
7.53%
Very Hard (1)
1.08%
Don't even ask....:( (5)
5.38%
This discussion is closed.
A future Midwife
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#381
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#381
(Original post by tgbyhn)
hey people i did the exam and found it reasonable.. but for the count rate question was the answer 3.8 days or 4day?
I got 3.8!
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Kill3er
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#382
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#382
(Original post by rihannagirl)
what did everyone get for the oil drops? did a>b show car slowing down or speeding up? i put slowing
Wasn't it speeding up (accelerating)?
Because the further it went along the more spaced out the droplets were.
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NightStrider
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#383
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#383
(Original post by rihannagirl)
had no idea lol what was the answer?
I dunno - I said that we don't actual know how much nuclear fuel (hydrogen) was in a star
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wizard123
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#384
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#384
it was 3.8 days
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tgbyhn
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#385
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#385
yeee me too. but people are saying its wrong? apparently we were ment to round to the nearest day :s
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lolface32
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#386
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#386
(Original post by Rohan97)
Did they give the units?
Yes!
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A future Midwife
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#387
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#387
(Original post by MrB24)
No.. its air resistance. On the spec it says 'candidates should realise that most of the resistive force are caused by air resistance'
I put drag for this question! Is drag the same as air resistance? I didn't know which one to put as my answer!
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salem96
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#388
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#388
(Original post by NightStrider)
I dunno - I said that we don't actual know how much nuclear fuel (hydrogen) was in a star
yeh your right
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Kill3er
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#389
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#389
(Original post by tgbyhn)
yeee me too. but people are saying its wrong? apparently we were ment to round to the nearest day :s
Nope.
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hannapoole
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#390
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#390
I found this exam pretty okay really, answered everything and added my marks up harshly so hopefully i've got 42 marks or more! I was pretty surprised as to the fact that there were only 6 questions, I turned the pages and was like 'Was that it?!?!'

So glad they're all over with now, phew!
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tgbyhn
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#391
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#391
what did everyone get for the question about why nuclear fusion happens faster in larger stars :/
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Dalek1099
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#392
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#392
(Original post by Minecraft27)
Friction I guess.
But for the star one I originally thought that we can't live that long but then I realised that just by looking at a star we really can't tell how long it stays stable for and how long it has left.
From the AQA Spec:"Candidates should realise that most of the resistive forces are caused by air resistance."
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S96
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#393
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#393
(Original post by bbadonde2)
What was the question wit the answer 7.5 metres, remind me please?!
you had to find the distance between two points i think
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hannapoole
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#394
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#394
(Original post by tgbyhn)
yeee me too. but people are saying its wrong? apparently we were ment to round to the nearest day :s
no i'm pretty sure they will mark it as 3.8 as that was what it was on the graph
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lolface32
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#395
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#395
(Original post by IsaacIIV)
I personally found the exam to be very easy, so I expect that the grade boundaries will be very high for this exam, especially as there were only 6 questions. I also had time at the end to record the results for all the calculation questions, here's what i got (i don't know the units for all):

75000
0.2
3.8 (half life)
37.5 ohms
25 hertz ?
1.7 m/s/s
7.5 meters
79200 coulombs
18216000 Jewles
1.7 m/s/s, was that the question where it asked it to 2 significant figures?
I got 1.6666666, so it would be 1.67?
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hannapoole
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#396
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#396
(Original post by tgbyhn)
what did everyone get for the question about why nuclear fusion happens faster in larger stars :/
larger stars have more fuel, therefore have to usse it faster in order to maintain equilibrium
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shibucool
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#397
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#397
(Original post by Kill3er)
Wasn't it speeding up (accelerating)?
Because the further it went along the more spaced out the droplets were.
I put that!
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salem96
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#398
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#398
(Original post by sykik)
What did you guys put for the RCCB question when the wire's cut down?
you say that it detects a difference between the live and neutral wires
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MrB24
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#399
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#399
(Original post by A future Midwife)
I put drag for this question! Is drag the same as air resistance? I didn't know which one to put as my answer!
Yeah.. air resistance is a form of drag force, so they should allow it
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NightStrider
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#400
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#400
(Original post by salem96)
yeh your right
Yay! What about the RCCB question - I said difference between Live and Neutral, and there would be a difference because the circuit is broken when it is cut.
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