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  1. L

    AS Physics P1 MCQs Preparation Thread.

    3. Intensity = energy/(area * time) (also given in the question) = kgm²s¯² / s¯1 * m2 = kgs¯3 Hence the correct answer is D. 8. You should know how to “convert” displacement/acceleration/velocity graphs to one another. Anyway, here is how this should be: At the first stage, the speed is...
  2. L

    Physics practical tips

    Yeah that's correct.
  3. L

    Yeah, sure. :)

    Yeah, sure. :)
  4. L

    AS Physics P1 MCQs Preparation Thread.

    Yeah, but that can only happen if time isn't a problem. Sure, there's 14 whole days but there's also a lot of papers to do (about 25) and if every question of a paper is to be discussed, it could waste a lot of time. But we'll see. :) Also if I get time then I will post the solutions to every...
  5. L

    Physics paper 34

    Time is recorded to 3 s.f. always right?
  6. L

    Physics paper 34

    Then you take the one with the lower precision, so 2. But I think 3 would also be acceptable based on some marking scheme I read.
  7. L

    Physics paper 34

    Oh, well it depends on your raw data and instruments, mostly. If none are given, then you usually use 2 or 3.
  8. L

    How do you recommend a student prepare for physics paper 3 (practical)

    lol This is why you should have practiced a lot at your school. I guess the only thing you can do now is practice the graph, know your significant figures properly, know all the key points and learn how to answer the different types of generic questions they ask.
  9. L

    Physics paper 34

    You mean when calculating the values of k?
  10. L

    Physics Practical 34

    What would you do with an LDR and diode? To me it seems like a generic electrical circuit type of question.. no?
  11. L

    physics As practical ppr 34

    Well some people are saying LDR/potentiometer and something related to springs is coming, but I'm not sure, they could be wrong guesses. In any case you should be fully prepared. Don't panic if you can't set up the apparatus, you can just ask the invigilator to help you out if you have...
  12. L

    Phys practical help .. urgent

    Look. Suppose your values of k come out to be 1.04 and 1.56. This is how you would work it out: (1.56 - 1.04) / 1.56 = 33% You would write something like this as the conclusion: The results suggest that, within the limits of experimental accuracy, X and Y are proportional as the calculated...
  13. L

    AS Physics P2 GT?

    Well, It IS possible to tackle the entire paper in 60 minutes, it's just that it takes a while to focus on each question individually and then solve it completely. However for me it was like a pressure test and not an exam, I had to hurry up with the questions knowing I had less than an hour and...
  14. L

    Phys practical help .. urgent

    You don't take out k(average). You do this: (large k value - smaller k value) / larger k value And * by 100 to get the %.
  15. L

    AS Physics P1 MCQs Preparation Thread.

    How about we go through each paper from 2002 towards 2011 and discuss the "hard" MCQs of each paper (or all if time isn't an issue)? I personally think it would be much better and organized if we did that rather than, say, having 5 different people posting different MCQs every minute making it...
  16. L

    AS Physics P2 GT?

    Probably 35-37 or something I guess.
  17. L

    Physics Paper 22, Difficult Question Discussion

    ? A neutron was being absorbed.
  18. L

    Physics Paper 22, Difficult Question Discussion

    I didn't really find anything tricky.. I'm just unsure about 10 marks worth of answers. Oh well though, I'm not interested in discussing the contents of the paper.
  19. L

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    I dunno, I found it a bit harder than usual. Losing around 3-4 marks for sure, unsure about 10-15 other marks. :\
  20. L

    Post Your AS LEVEL PHYSICS PAPER 2 DOUBTS

    http://www.xtremepapers.com/community/threads/as-physics-post-your-doubts-here.9860/page-105#post-292759
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