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  1. Z

    Mathematics: Post your doubts here!

    Yeah...Q14 and 15
  2. Z

    Mathematics: Post your doubts here!

    I can't upload it using my cell
  3. Z

    Physics: Post your doubts here!

    Hey can anyone tell me that why do we use average force for strain energy i.e 1/2×F×e2 .....i mean isn't the extension produced by the full force rather than half the force (average force)....pls help me asap...thanks in advance ✊
  4. Z

    Mathematics: Post your doubts here!

    Hey guys, Can anyone of u solve Q14 and Q15 exercise 5A mechanics 1 with explanation?.......Thanks in advance ✊
  5. Z

    Mathematics: Post your doubts here!

    Hey guys, Can anyone of u solve Q14 and Q15 exercise 5A mechanics 1 with explanation?.......Thanks in advance ✊
  6. Z

    Chemistry: Post your doubts here!

    the answer is B ......lets first see A) since in a X2 molecules both the atoms bonded are the same so there is no such important role of electronegativity, they will share the electrons equally and so no partial charges will develop and there wont be any permanent dipole bonds......C) is also...
  7. Z

    Physics: Post your doubts here!

    AOA everyone, Actually I'm in a really confused state, my problem is related to M1 mechanics and physics....Alright, so we all know that when a simple object like a block of wood moves in a forward direction there is kinetic friction between the block and the floor in the opposite direction...
  8. Z

    Mathematics: Post your doubts here!

    AOA everyone, Actually I'm in a really confused state, my problem is related to M1 mechanics and physics....Alright, so we all know that when a simple object like a block of wood moves in a forward direction there is kinetic friction between the block and the floor in the opposite direction...
  9. Z

    A level Biology: Post your doubts here!

    Thanks :)... but part of my question still remains unanswered.(n)
  10. Z

    A level Biology: Post your doubts here!

    Salam everyone, I have a query to solve regarding microscopic resolution. I know that resolution is the ability to distinguish between two points close together. But what are those two points??? example, for a light microscope the resolving power is 200nm and it is not possible to see a ribosome...
  11. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    anybody worried abt the results??? (especially English) :confused:
  12. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    hope that their mark scheme accepts sentences like these
  13. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    guys........for the 3rd mahawra (taaq hona)........I wrote that IMTAHAANAT MAI TAAQ HONAY KAI LIYAY ALI NAI DIN RAAT MAHNAT KI......is it correct?
  14. Z

    Biology; Chemistry; Physics: Post your doubts here!

    well, distillation means to evaporate and then condense the liquid.........just for example u place pebbles(insoluble impurities) in water and then carry out distillation......ULL GET THE WATER BACK.......3 is also correct, but to some extent.
  15. Z

    Biology; Chemistry; Physics: Post your doubts here!

    first cancel out all those which are incorrect......chlorination is used to kill bacteria therefore 1 is out..........2 is to remove salt from sea water (in the qstion they are taking about INSOLUBLE IMPURITIES) so 2 is also out..........I guess answer is option C......which year past paper is...
  16. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    I wrote "Dates".
  17. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    BUT MY ANSWER DIFFERS ALOT :(........I wrote that it would connect different areas of Sindh......improve transport and communication.....transfer of goods......people would move to K.B for fishing and agriculture , increasing the areas population.....new housing schemes and industries will be...
  18. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    ur talking abt geo?
  19. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    A motorway is proposed to go through Thatta,Hyderabad Kethar Bandar (idk the name).It is a town on the indus delta wid a pop of 25000...........why is there a need to build this motorway?to what extent can the proposal be achieved?
  20. Z

    Pakistan Studies, Islamiyat and Urdu: Post your doubts here!

    so....including a date aint a must?
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