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  1. S

    How was your Phy p2 and p5? Mine was terrible.

    I appeared for Physics 52. It was very easy. Much more easier than what I was expecting. However , for not well prepared candidates it obviously will be hard. The uncertainties method for Q no 2 is not new. An exact similar question was asked in May/June - 2010 - Variant 1 - Q2.
  2. S

    physics p5 discussion

    Sorry , that will be 5 divided by 15 X 10^ -3 . The rest is same
  3. S

    physics p5 discussion

    For the First Value , that is V = 5.00 +/- .2 I = ( 15 +/- .2 ) X 10 ^ -3 The method is in the image In this way , the answer is 17.78 which is equal to +/- 18
  4. S

    physics p5 discussion

    No. The error will be ( log 20.2 - log 19.8 ) / 2 If you don't divide by two , none of the answers match the markscheme.
  5. S

    physics p5 discussion

    I guess the only way that could have happened is the significant figures used in the calculation of the gradient got cancelled of each other therefore not making a difference. But it is necessary to add them. You can check M/J - 2010 - Variant 1 - Q2. That one has a graph with a 10^-3 axis.
  6. S

    physics p5 discussion

    Yes , you obviously have to add that. Thats the part of your either Y or X axis value so you cannot ignore that.
  7. S

    physics p5 discussion

    gradient = -54.8 +/- 5.6 Mass absorption co - effiecient = (4.85X 10^-3 +/- .0005 )
  8. S

    physics p5 discussion

    I am having some problems with the questions in MAY / JUNE - 2010 - Variant 2 Question No 1 - What in the world is a Hall probe? Did anyone write the answer for this question? If so , can you please guide me in the right direction. This problem is in May / June - 2010 - Variant 1 Question No...
  9. S

    physics p5 discussion

    ^ I have the same question. How do we actually calculate the error bars. A formula or general technique will be very helpful!
  10. S

    Anybody else do Math P32???

    Yes I am 99% sure :)
  11. S

    Anybody else do Math P32???

  12. S

    Maths (Paper 3)

  13. S

    Maths (Paper 3)

    Okay I think I got it. Q1 - Was modulus related inequalities. Q2 - Logarithm. Q3 -Tan X related Iteration. Q4 - Parametric Equation. Q5 - Trigonometry with Cos X. Q6 - Differential Equation. Q7 - Complex Numbers. Q8 - Binomial Expansion. Q9 - Vectors. Q10 - Graph in which integration by parts...
  14. S

    Maths P3 may/june 11....grade threshold

    P32 should be around 60 to 63.
  15. S

    p3 grade threshold

    P32 should be around 60 to 63.
  16. S

    Maths (Paper 3)

    Can anyone tell me what Question no 3 was? I forgot :$ I am trying to prepare a answer sheet with all the answers in it. Q1 - Was modulus related inequalities. Q2 - Logarithm. Q3 - ?? Q4 - Tan X related Iteration. Q5 - Parametric Equation. Q6 - Differential Equation. Q7 - Complex Numbers. Q8...
  17. S

    Anybody else do Math P32???

    I think the grade threshold for 32 should be around 60 to 62. It was lengthy , but not difficult.
  18. S

    Anybody else do Math P32???

    I took paper 32 today. Was easy , I was actually expecting a difficult paper. Specially vectors was very easy. If I don't do silly mistakes , insha'Allah I'll end up with 69/75. I don't think we can discuss answers now , right?
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