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  1. J

    Physics P1 All MCQ [After 24H]

    We have 29 of the MCQ's down guys :)
  2. J

    Physics P1 All MCQ [After 24H]

    im expecting a gt of 27-29 maximum. And I think you're right about the current one! the current would be the same at all times, regardless when we take it, whereas everything else would have had effect on the value!
  3. J

    Physics P1 All MCQ [After 24H]

    im unsure as to which was correct, popular opinions with you though. Cmon guys i've compiled 25, wheres the other 15 :P
  4. J

    Physics P1 All MCQ [After 24H]

    you know, 70 kg people, 200 of them, 80,000 kg train, moving at 30 degree to horizontal...
  5. J

    Physics P1 All MCQ [After 24H]

    im pretty sure of that one. Right now i have circle, thermistor/LDR, air force, ball wrong. So -4 for me.
  6. J

    Physics P1 All MCQ [After 24H]

    options were like, GPE rises uniformly with ascent, total momentum same, KE remains constant and total energy of system constant.
  7. J

    Physics P1 All MCQ [After 24H]

    the one about ball rising while neglecting air resistance
  8. J

    Physics P1 All MCQ [After 24H]

    already added :) im confused now about the electricity ones...cant seem to recall anymore :/
  9. J

    Physics P1 All MCQ [After 24H]

    Variant 12. :)
  10. J

    Physics /12 Discussion!

    if you guys like, you could refer to this thread : https://www.xtremepapers.com/community/threads/physics-p1-all-mcq-after-24h.27726/ where im trying to compile all the MCQ's in one post, should be better to check that way :)
  11. J

    Physics P1 All MCQ [After 24H]

    OK guys heres all the ones i remember, please DO add in any, i cant remember all 40, here we go! [P.S, ill be adding my answer to it as well] 1) unit of resistivity [I did B, m3A-2s-3] 2) line of action of force in the circle [i did C, apparently its B] 3) forces 1 vector 1 scalar [K.E and...
  12. J

    Physics P12 is over in Bangladesh! Can we discuss the papers now? :@

    The 24 Hours rule is XP wide, not just a ban on Bangladesh :P
  13. J

    Physics P1 All MCQ [After 24H]

    Ok guys after 24 Hours I will try to upload all the MCQ's i remember with answers. Obviously they dont have to be in the correct order. Likewise i'll share the answer I gave it, and i invite you to do the same. REMEMBER: AFTER 24 HOURS.
  14. J

    Chemistry: Post your doubts here!

    i believe the answer is A, first of all you see that 500K will give more K.E to the molecules, so D is out. Then since fraction of molecules cant be more then original, B is out. Finally, according to Boltzmann distribution laws the curve will become shorter and have a less sharp peak, so C is...
  15. J

    Troubles in chem p1

    I keep mixing it up, sorry, down the group it does increase :P
  16. J

    Troubles in chem p1

    once more guys please post marking scheme as well! :P as the question says, PbCl4 turns into PbCl2, meaning 2 chlorine are lost, thus 2 moles of bromine are released. so if you form equation, it becomes: PbCl4 + 2NaBr -> PbCl2 + 2NaCl + Br2. As we have 6.98grams we divide by Mr of PbCl4...
  17. J

    Troubles in chem p1

    ahaha, no, its no problem, but as you can see queen has already answered the question in full now :)
  18. J

    Troubles in chem p1

    Hmm, in that case it might have been referring to some other property..as you already know though, eff. refers to CO2 usually, and down group II reactivity decreases so we have to use harsher methods...maybe thats all they were relating to?
  19. J

    Troubles in chem p1

    ohh, then im guessing you probably haven't studient polarizing power yet? in that case dont worry about that, that MCQ is out of syllabus for you as well :P
  20. J

    Troubles in chem p1

    are you in AS, or A2? that'll help in answering your questions better.
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