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  1. elbeyon

    Chemistry A2 Doubt

    I have a bit of confusion on the electrochemistry portion of A2. While measuring the standard electrode potential where are we supposed to place the standard hydrogen electrode ? On the LHS or the RHS o_O ? Some books shows it on the LHS and some on the RHS and in which directions are cathodes...
  2. elbeyon

    Maths Paper 3 doubt

    Thank you so much. It helped a lot. Thanks for your effort.
  3. elbeyon

    Maths Paper 3 doubt

    Hey everyone, I need your help to solve this eqn e^x+e^2x=e^3x . The final answer is x = o.481. Can anyone explain me the procedure o_O ? Please help asap. Thanks in advance. (y)
  4. elbeyon

    October/November 2012 CIE |Question Papers ||Marking Schemes||Grade Thresholds| |Examiner Reports|

    Its already 8th March CaptainDanger . Now do you have access to the er ? Please upload it if possible. Thanks in advance.
  5. elbeyon

    October/November 2012 CIE |Question Papers ||Marking Schemes||Grade Thresholds| |Examiner Reports|

    CaptainDanger do you have any idea when the er are going to be released ? Please help !
  6. elbeyon

    ✔--Physics P2: Post your doubts here --✔

    You have to write the answers in correct figures according to the Marking Schemes otherwise you will lose the accuracy marks. For the s.f look at the d.f part in the former CIE endorsed Physics book. I guess s.f part is mentioned over there clearly.
  7. elbeyon

    ✔--Physics P2: Post your doubts here --✔

    I created this thread especially for the preparation of Physics Paper 2 for this Oct_Nov season. So anyone having any sort of problem in Paper 2 of Physics please do post it here. I or someone else will surely help you out. So let's get started.:) (y)
  8. elbeyon

    Mechanics M1: Post your doubt here

    Thank you mates :). TeKnOzOr timing is usually a problem for everyone. Try to be fast during your calculations but at the same time accurate too, otherwise its useless. Try to complete all the workings on time and make sure to maintain them neat and clean but if you just have few minutes left...
  9. elbeyon

    You meant the infohaze one ?

    You meant the infohaze one ?
    • elbeyon
    • Profile post comment
  10. elbeyon

    Mechanics M1: Post your doubt here

    I guess everyone is done with their preparations, now approximately just 1 and a half day left for M1 ( P42 ) and those of us who are still working hard for our preparations, please don't panic. Remember that we still have more than 129,600 second left. 1 second is enough for many things to...
  11. elbeyon

    Mechanics M1: Post your doubt here

    Yeah ! That's the main idea that I am trying to convey. :)
  12. elbeyon

    Mechanics M1: Post your doubt here

    People out here please develop a habit of hitting the "Like" button when someone helps you. It will encourage them to further help you when ever you need them. Will you loose anything by just hitting the like button when someone helps you o_O ? So please keep you ego aside and hit the "Like"...
  13. elbeyon

    Mechanics M1: Post your doubt here

    Use the equation s =ut + 0.5at^2 for both the particles and replace the values of "u" as given by the question and "a" as -10 ms^-2. For p: Hp = 12t - 5t^2 For q: Hq = 7t - 5t^2 Then use the equation given by question (i.e 3hp = 8hq ) and you will obtain the value of t. Then use the...
  14. elbeyon

    Pure Maths 12 today........

    We were asked to show minimum so we must calculate third derivative too !
  15. elbeyon

    Mechanics M1: Post your doubt here

    First of all find out the values of α and β from right angled triangle ASP and then replace the values of α and β in angles APQ and SPR. Then resolve the forces and you will get your answers. This figure will help you: Sorry for the figure. I could not draw better than that :p. Hope this...
  16. elbeyon

    Oct/Nov 2012 Examination Session | Read this first

    Oh ! Thanks a lot. I'm much more than happy :) and of course I'll do report any inappropriate posts. Thanks again. This is why I love XPF so desperately.
  17. elbeyon

    Oct/Nov 2012 Examination Session | Read this first

    Can't we discuss the probable questions for the practicals ? I won't ask anyone to provide me with the questions that are surely coming this season. I meant Can't I ask people to predict the probable questions (of course not the sure questions ;) ). For eg: Can't I suggest someone else to go...
  18. elbeyon

    Pure Maths 12 today........

    Other values are correct but I don't think angle was 2.1 rad. I forgot the angle now but I don't think it was 2.1.
  19. elbeyon

    Mechanics M1: Post your doubt here

    I guess this figure makes you clear. Note that lines AP1, BD and CP2 are parallel . Now apply the concept that I mentioned above. I guess it now helps. ;)
  20. elbeyon

    Pure Maths 12 today........

    The first part was also easy. You first need to state the angle touching the tangent and the center of the full circle ( i.e the circle with center C ). Then you need to find out the two sides of the right angled triangle as 20 - x and x ( Here x is the radius of the full circle and 20 is the...
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