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  1. anastasia grey113

    Physics: Post your doubts here!

    dude compare it to last yea was it harder? the '17 one?
  2. anastasia grey113

    Physics: Post your doubts here!

    lol idk man u might be right m not sure now but i drew the same graph n everybodys been telling me its wrong dude just asking...did u find this year's paper tougher than last year's?
  3. anastasia grey113

    Physics: Post your doubts here!

    DAMN :/ M LOSING 6 MARKS ALREADY
  4. anastasia grey113

    Physics: Post your doubts here!

    no m not sure but idk they might be right cuz the B was decreasing it's not the value of B that matters but the change in B that does i think
  5. anastasia grey113

    Physics: Post your doubts here!

    n do u think the threshold is ACTUALLY going to be higher than in 2017? did u guys find this paper easier than last year's?
  6. anastasia grey113

    Physics: Post your doubts here!

    ok m a lil worried now wut was the definition of bandwidth? i wrote 'the maximum signal frequency carried by a carrier wave x 2' is that right? and like i dint mention the 'no increase in kinetic energy 'during melting...i just wrote abt increase in potential energy of particles do u think there...
  7. anastasia grey113

    Dear phy p4 threshold, plz stop worrying me since i have 3 more shitty papers to deal with.

    Dear phy p4 threshold, plz stop worrying me since i have 3 more shitty papers to deal with.
  8. anastasia grey113

    Chemistry: Post your doubts here!

    4BF3 + 3NaBH4 ---> 2B2H6 + 3NaBF4 start with balancing F first then balance Na then balance B Formula is C5H5N5 just count the number of each kind of atom
  9. anastasia grey113

    Chemistry: Post your doubts here!

    well yes they make a balanced paper for those who appear in the same session so that the threshold is not too high nor too low so this could be a possibility
  10. anastasia grey113

    Physics: Post your doubts here!

    ik thaz wut made me draw the peaks in opposite directions m still not sure y they were post to be in the same directions but many of my friends said that it was the gradient which had to be considered
  11. anastasia grey113

    Chemistry: Post your doubts here!

    Well for this just equate the reaction constant because it will be the same. For two equations from any of the two reactions (ill be using 2 and 3) by making k the subject they will be as follows 1- k = 2/0.2^1 x o.o15^n 2- k =8/0.4^1 x 0.030^n equate them and the following equation will form...
  12. anastasia grey113

    Chemistry: Post your doubts here!

    well atomisation is basically the half of bond energy for diatomic molecules such as O2 or Cl. You see Hat is actually the enthalpy when 1 mole of atoms is produced. But Bond energy is the enthalpy when one mole of bonds is broken. So suppose if v break 1 mole of bonds of Cl2 or O2 then v will...
  13. anastasia grey113

    physics p42 discussion

    wait wut? the Vout was 9 x 0.6 = 5.4V...not 5.6V
  14. anastasia grey113

    Physics: Post your doubts here!

    yh it was 7.2
  15. anastasia grey113

    Physics: Post your doubts here!

    ct scan
  16. anastasia grey113

    Physics: Post your doubts here!

    i think 12 3 of 6 microfarads
  17. anastasia grey113

    Chemistry: Post your doubts here!

    well its completely ok then use whatever u want to if its for diagrams or graphs
  18. anastasia grey113

    Chemistry: Post your doubts here!

    well idk abt that but if that's the case, y would dozens of students use this but in the instructions it says write in dark blue or black pen I guess it means any kind of pen and in a few days a batch from my school will be appearing for Urdu B and their teacher suggested em to use ink pens so...
  19. anastasia grey113

    Physics: Post your doubts here!

    damn i guess the Exam board was pissed off at making such an easy paper in 2017
  20. anastasia grey113

    Chemistry: Post your doubts here!

    lol they check ur papers by scanning em so they can't figure out which kind of ink u used unless its a pencil u r using so chill
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