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  1. AhsanAfzal

    Physics: Post your doubts here!

    http://physics-ref.blogspot.com/2014/07/9702-november-2012-paper-41-42-worked.html explain q11 (b) Physicist
  2. AhsanAfzal

    PHYSICS PAPER 5 SOLVED PAPERS!!!

    has anyone uploaded solved papers for chemistry Paper 5 as well???? can someone give me its link?
  3. AhsanAfzal

    Physics: Post your doubts here!

    http://theallpapers.com/papers/CIE/AS_and_ALevel/Physics%20(9702)/9702_s11_qp_42.pdf someone explain q4 b (ii)
  4. AhsanAfzal

    Further Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20-%20Further%20(9231)/9231_s08_qp_1.pdf Q1 of this paper.....can anyone explain this? :/
  5. AhsanAfzal

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w02_qp_1.pdf Q22 do we have to learn these?
  6. AhsanAfzal

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w13_qp_13.pdf Q33 how do we know the speed of electrons?
  7. AhsanAfzal

    Chemistry: Post your doubts here!

    Lets pray for each other and ace the test with the help of Allah !!! :D:D:D:D:D
  8. AhsanAfzal

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s10_qp_11.pdf Q19 H3PO4 is weak acid, then why is the answer A?
  9. AhsanAfzal

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w09_qp_11.pdf Q18 hydrocarbons are present in catalytic converters?????? and someone pls explain Q19 too
  10. AhsanAfzal

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w10_qp_12.pdf Q13 how to do this one with oxidation numbers?
  11. AhsanAfzal

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w10_qp_11.pdf someone pls explain Q24
  12. AhsanAfzal

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s13_qp_13.pdf Q25(why not A?it is unpolarised thats why display changes...?), 35 pls explain sagar65265
  13. AhsanAfzal

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s13_qp_13.pdf explain Q38 please
  14. AhsanAfzal

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w11_qp_11.pdf please someone explain q36
  15. AhsanAfzal

    Physics: Post your doubts here!

    for definition emf should we write work done in driving a unit charge around a circuit or should we write chemical energy converted to electrical energy per unit charge?
  16. AhsanAfzal

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s13_qp_23.pdf Q6 (c) (ii) explain this
  17. AhsanAfzal

    Physics: Post your doubts here!

    explain this pls
  18. AhsanAfzal

    Physics: Post your doubts here!

    why LDR + R2? they are asking about minimum pd across only R2 and there is no LDR in series one -.-
  19. AhsanAfzal

    Physics: Post your doubts here!

  20. AhsanAfzal

    Physics: Post your doubts here!

    sorry...now it is right :D
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