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  1. Mobeen

    How many hours do you sleep daily during the exam time?

    12 hours approx .
  2. Mobeen

    A2 Physics | Post your doubts here

    i think uncertainty and percentage uncertainty are two different things .. you should write only the uncertainty because in the mark schemes the values are given for uncertainty not percentage..
  3. Mobeen

    Chemistry P4| A2 only

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s10_qp_42.pdf http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s10_ms_42.pdf Q1 c(i)(ii) and Q2 b(ii) urgent....
  4. Mobeen

    Chemistry P4| A2 only

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s08_qp_4.pdf http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s08_ms_4.pdf Q10 b(iii) (c)
  5. Mobeen

    Chemistry P4| A2 only

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w11_qp_42.pdf http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w11_ms_42.pdf Q2 a (i) how did we get the order with...
  6. Mobeen

    Chemistry P4| A2 only

    somebody hav a look on this...
  7. Mobeen

    Chemistry P4| A2 only

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w08_qp_4.pdf http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w08_ms_4.pdf Q6(b) (c) (d) people help me out with this and...
  8. Mobeen

    Chemistry P4| A2 only

    http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s08_qp_4http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s08_ms_4.pdf.pdf Q b(iii) and (c) urgent plz...
  9. Mobeen

    Mathematics: Post your doubts here!

    in normal distribution if for example its given to find the probablity of X>35 and mean = 30 and variance = 1.5. sometimes it takes it as 35-30/1.5 and sometimes 35.5-30/1.5 .. why is that ?? the values are just random.
  10. Mobeen

    Chemistry: Post your doubts here!

    its something like energy absorbed in bond breaking - energy released in bond forming . . dont know exact ..
  11. Mobeen

    Chemistry: Post your doubts here!

    anybody got notes for paper 4 ?
  12. Mobeen

    Chemistry: Post your doubts here!

    hahaha ! it wont do any good unless the admin deletes the game from my computer .. :P
  13. Mobeen

    Chemistry: Post your doubts here!

    people have already started preparing for chem p5 ?! and im here playing max payne all day ! :P
  14. Mobeen

    Mathematics: Post your doubts here!

    lol ! i put this my fb dp specially for the CIE's :P
  15. Mobeen

    Mathematics: Post your doubts here!

    seriously ?? :O
  16. Mobeen

    Mathematics: Post your doubts here!

    guys chill ! ho gya jo hona tha .. choro pare.. :P
  17. Mobeen

    Mathematics: Post your doubts here!

    looking at everyones faces . i figure percentiles gonna drop low ! !
  18. Mobeen

    Mathematics: Post your doubts here!

    dont know the argand diagrams sorry ! and 8i is just binomial of the partial fraction.. partial fraction is = -2/(1+x) + (x+4)/(2+x^2) it would be: -2(1+x)^-1 + (x+4)(2)^-1(1+(x^2)/2) binomial of the first fraction is easy . and binomial of the second is easy too and multiply it by (x+4)(2^-1)
  19. Mobeen

    Mathematics: Post your doubts here!

    other than vectors im pretty much good .. so yeah forget it ! ... found some funny videos on youtube . :P or were you talking about vectors :P
  20. Mobeen

    Mathematics: Post your doubts here!

    no matter how much i do vectors still cant get any answer right ! UGH!
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