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# AQA Physics Unit 3 P3 GCSE 30th May 2012 Exam

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1. (Original post by 21stcenturyphantom)
Okay good, yes I'm doing the old spec too. I'm studying the course via Distance Learning so I have taught all three units myself with the exception of 2 x 2 hour tutorials. Do you know any good revision sites besides GCSE Bitesize?
gcserevision101 is a really good site
2. Hopefully this revision video can help you all remember the life and death of a star.
Enjoy!
3. (Original post by KarlTheOtaku)
Hopefully this revision video can help you all remember the life and death of a star.
Enjoy!
The only way I managed to learn is like this, in school my teacher always gets annoyed 'cause I don't write notes, but to be honest they never help me, so why waste paper? anyways THANKK YOOUU
4. (Original post by Jigglypuff786)
gcserevision101 is a really good site
I second that, I read through it a couple of times as stated before, I had no notes
5. gcserevision101 is just a summary of the text book we have,
6. (Original post by rainerised)
Getrevising.co.uk and http://www.s-cool.co.uk/gcse/physics are quite good websites for revision and of course the aqa website for past papers
http://web.aqa.org.uk/qual/newgcses/...?id=03&prev=03

good luck with revision
http://gcserevision101.wordpress.com/physics-p3/
this ones really good too...it was LITERALLY my teacher
good luck!
7. Yea basically im screwed unless someone has a link to the aqa gcse physics book online version, since i lost mine
8. Please can someone explain what the difference is between real and virtual images in mirrors?
9. (Original post by brightbulb)
Please can someone explain what the difference is between real and virtual images in mirrors?
Haha, I just googled that very same thing! From what I understand and from my notes:

Real images = formed when rays of light (from the same point on the object) cross, so they can be formed on a screen.
Virtual images = cannot be formed on a screen, they are just where rays of light appear to have come from.

Does this make any sense? I think I understand it. I've taken a picture from the AQA Nelson Thornes© textbook for you, it may help.
Attached Thumbnails

10. (Original post by brightbulb)
Please can someone explain what the difference is between real and virtual images in mirrors?
A virtual image will appear inside the mirror (Light doesn't go through the mirror so it's not real)

A real image will appear outside the mirror (So it's real lol )
11. Do we draw eay diagrams in pencil because it won't get scanned
12. (Original post by 21stcenturyphantom)
Haha, I just googled that very same thing! From what I understand and from my notes:

Real images = formed when rays of light (from the same point on the object) cross, so they can be formed on a screen.
Virtual images = cannot be formed on a screen, they are just where rays of light appear to have come from.

Does this make any sense? I think I understand it. I've taken a picture from the AQA Nelson Thornes© textbook for you, it may help.
lol you couldn't take pictures of all pages in P3 textbook could you, just left my book at school...
(or if not all just, all the pages on lenses/mirrors?)

Thanks!
13. IS a longitudinal wave: A wave that vibrates in a given direction?
And is a Transverse wave: A wave that vibrates at a 90^ angle in a given direction (perpendicularly)
14. (Original post by Revision-)
lol you couldn't take pictures of all pages in P3 textbook could you, just left my book at school...
(or if not all just, all the pages on lenses/mirrors?)

Thanks!
I'm sorry I don't have the time, I'm busy with my own revision and other things I'm afraid. All the revision sites listed in this thread are as good as, if not better, than the textbook so I would advise you to use those for your revision.
15. (Original post by 21stcenturyphantom)
Haha, I just googled that very same thing! From what I understand and from my notes:

Real images = formed when rays of light (from the same point on the object) cross, so they can be formed on a screen.
Virtual images = cannot be formed on a screen, they are just where rays of light appear to have come from.

Does this make any sense? I think I understand it. I've taken a picture from the AQA Nelson Thornes© textbook for you, it may help.
Thanks that helped!!
16. (Original post by brightbulb)
Thanks that helped!!
You're welcome.
17. Ahhh! Less than 24 hours to go till the exam!
I'm still really confused on motors, and I cant remember all the rules for mirror and lens diagrams
18. (Original post by Tweak6)
Ahhh! Less than 24 hours to go till the exam!
I'm still really confused on motors, and I cant remember all the rules for mirror and lens diagrams
I've only just started to revise unit 3 today. Lesson learnt; never cram. It's doable but so stressful. I'm just working my way through the textbook and making notes, and then I'll probably complete 3 or 4 past papers later today. I agree, lenses are very confusing.
19. I have posted the Jan 2012 P2 and P3 papers HERE

Sorry for the large writing, but I have been getting loads of requests lately for these papers so I thought I'd just draw everyone's attention to this

Good luck everyone!
20. do you have to draw in pencil

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Updated: August 22, 2012
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