OCR G485 Physics A - 19th June 2014

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Political Cake
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#1
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#1
Surprised I can't find one for this session! Anyways, time for the memory test G485 or (FP)2! How has everyone found it to learn? Ready yet? :eek:

Specification

Past Papers

OCR G485 Definitions.pdf
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DanScott96
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Im not ready for it yet i know that for sure, however I feel better about the newtonian world module, thanks for attaching the definitions for this unit
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precious maro
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Why they gotta make it so hard?


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username1398367
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**** this unit -- it is so, so ****.

does anyone know if we have to know the times associated with the sequence of important events in the universe from 10^-43 -> present day?
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Political Cake
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(Original post by dire wolf)
**** this unit -- it is so, so ****.

does anyone know if we have to know the times associated with the sequence of important events in the universe from 10^-43 -> present day?
The timing is not important in this exam. The sequence however is imperative. Something along the lines of;

- At the start was infinitely dense / singular and all forces were unified.
- The Big Bang / expansion led to cooling (in a quark / lepton soup).
- There was more matter than anti-matter.
- Quarks combined to form hadrons.
- Atoms forms and primordial helium is produced.
- The average temperate of the universe lowers to 2.7K and it is saturated in microwave cosmic background radiation.
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username1398367
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(Original post by Political Cake)
The timing is not important in this exam. The sequence however is imperative. Something along the lines of;

- At the start was infinitely dense / singular and all forces were unified.
- The Big Bang / expansion led to cooling (in a quark / lepton soup).
- There was more matter than anti-matter.
- Quarks combined to form hadrons.
- Atoms forms and primordial helium is produced.
- The average temperate of the universe lowers to 2.7K and it is saturated in microwave cosmic background radiation.
oh, alright, thank you very much!

just one more question, if you don't mind: is the right hand grip rule to be used with conventional current or electron flow?
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username1398367
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(Original post by precious maro)
Why they gotta make it so hard?


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and specific, right?! Gotta have all those long medical physics answers memorised.
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Political Cake
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(Original post by dire wolf)
oh, alright, thank you very much!

just one more question, if you don't mind: is the right hand grip rule to be used with conventional current or electron flow?
Whenever you see "current", think conventional current; i.e. positive to negative.

So the thumb points in the direction of conventional current.
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username1398367
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(Original post by Political Cake)
Whenever you see "current", think conventional current; i.e. positive to negative.

So the thumb points in the direction of conventional current.
PRSOM
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HoratioMG
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Made a quick spreadsheet of all the grade boundaries I could find

Hope this helps!
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7jdrabble
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Don't suppose anyone has a link to some good revision sheets for this paper? I've been using my own and some others for the few couple of modules but I'm missing some notes on the last module for starters! Also the more revision sources the better I suppose!


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ss2012
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(Original post by 7jdrabble)
Don't suppose anyone has a link to some good revision sheets for this paper? I've been using my own and some others for the few couple of modules but I'm missing some notes on the last module for starters! Also the more revision sources the better I suppose!


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Get revising has a lot of resources

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Shuster
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Where can i find past papers that are before the ones available on ocr website??
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Guy96
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(Original post by Shuster)
Where can i find past papers that are before the ones available on ocr website??
http://papers.xtremepapers.com/OCR/Physics/
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ashxx
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how did everyone find this?
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Ekene.smith
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I think it was alright
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Guttridge
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Nothing particularly hard but there was absolutely no marks available for medical physics and the Universe in terms of description questions (past papers have roughly 25 marks on those descriptions of MRI, formation of stars etc. that you have to memorise).

There was a lot in the paper that meant you had to actually think about the physics, so I think low grade boundaries, once again not really hard but still a harsh paper, more so than any other one I've done.
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