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  1. SalmanslK

    AS Physics P1 MCQs Preparation Thread.

    W09 Var 12 Q11 to 14 & Q25.
  2. SalmanslK

    Physics AS level, need help in 3 mcqs, pleaseeeee, I would very much appreciate it!!

    For Q5 => 60/3000 = 0.02 sec.(period for one wavelength). 0.02/10 (time/cm for one wave to appear on a 10cm screen) . 2*10^-3 / 2 (divide by 2 for 2 Waves to appear) => 0.01 scm^-1 OR 10 ms/cm. for Q7 => as there is air resistance Horizontal will decrease and will NOT be constant so...
  3. SalmanslK

    A level Self study websites

    http://www.s-cool.co.uk/a-level
  4. SalmanslK

    AS Physics P1 MCQs Preparation Thread.

    No.It's C . 10N
  5. SalmanslK

    AS Physics P1 MCQs Preparation Thread.

  6. SalmanslK

    AS Physics P22 Related.

    wavelength = ( distance b/w two dark fringes * Distance B/w two slits ) / (Distance B/w slits and screen ) :)
  7. SalmanslK

    AS Physics P22 Related.

    Lets say if someone wrote learns most of the definitions and formulas..has an idea of all as levels chapters and it's parts...but has only limited past paper practice... about 9 or 10 past papers practised. How good is his preparation for the exam?
  8. SalmanslK

    Physics: Post your doubts here!

    yes please attach the graphs for both parts.
  9. SalmanslK

    Physics: Post your doubts here!

    im having difficulty in finding phase difference and plotting graphs. For Progressive I found phase difference to be= 360*(40/80) and it's graph after 0.5 T is attached below. am i right? and what about the stationary wave?
  10. SalmanslK

    Physics: Post your doubts here!

    can anyone please post the solutions of these two questions.regarding progressive and stationary waves...do post the answer to the graph as well. Please :)
  11. SalmanslK

    S1 : Permutation And Combination. Can anyone post all it's rules?

    S1 : Permutation And Combination. Can anyone post all it's rules?
  12. SalmanslK

    Math Paper 6; Continuity correction HELP

    use continuity correction in questions which say... ' hence by suitable approximation '...
  13. SalmanslK

    How was physics paper 33

    values not from the experiment.
  14. SalmanslK

    How was physics paper 33

    :)
  15. SalmanslK

    Physics practical grams or kg?

    does this make my point clear? if not prove me to be wrong.
  16. SalmanslK

    Physics practical grams or kg?

    exactly !
  17. SalmanslK

    Physics practical grams or kg?

    negative gradient here as well.
  18. SalmanslK

    How was Chemistry paper 33?? What about grade threshold

    lets say if someone doesn't get correct values for A titration...then what marks are lost as to the concern of titration values? and if he uses the values in mole calculation..applies correct formulas and techniques but using the incorrect values does he get marks for it...ERROR CARRY FORWARD...
  19. SalmanslK

    Chem practical P33..Possibility of error carry forward?

    lets say if someone doesn't get correct values for A titration...then what marks are lost as to the concern of titration values? and if he uses the values in mole calculation..applies correct formulas and techniques but using the incorrect values does he get marks for it...ERROR CARRY FORWARD...
  20. SalmanslK

    Maths!!

    it's simply ROW OF THE FIRST multiplied by THE COLUMN OF THE SECOND matrix..
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