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  1. R

    Physics: Post your doubts here!

    n10 12: qs 8(my answer is coming 0.49ms-2) can any1 help me plzz
  2. R

    Physics: Post your doubts here!

    S08:http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20%289702%29/9702_s08_qp_1.pdf DOnt understand these questions 6,16,21,39
  3. R

    Physics: Post your doubts here!

    HAve some doubts in As paper 1: http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20%289702%29/9702_s04_qp_1.pdf M.s: http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20%289702%29/9702_s04_ms.pdf 19)...
  4. R

    Physics: Post your doubts here!

    lol ;D
  5. R

    Physics: Post your doubts here!

    Physics A2 radioactivity question: No= 1* 10^15 decay constant= 0.02 s-1 t= 20 s N=No e (-d.c* t) how do we use the ex in calculator in this question? ty
  6. R

    Physics P22, How was it!

    i did this but in polymer one i made the graph of rubber that is i showed elastic hysterisis but i ended my graph at the origin. will it be wrong? and what did u guys write in second part of the radiation question in which they asked where is energy coming from or something?
  7. R

    Physics P22, How was it!

    in the graphs of polymers what kind of graph did u guys draw. In the crystalline one the graph was ductile or brittle?
  8. R

    Physics P22, How was it!

    i wrote the radiation alpha radiation. Its wrong right?
  9. R

    Physics P22, How was it!

    hey guys what will be the threshold. Should it be 40 or 40-45?
  10. R

    Physics: Post your doubts here!

    yeah i got it but can u explain the second occurence when the law doesnt apply cause i cant understand what it is trying to say?
  11. R

    Physics: Post your doubts here!

    N04: http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w04_ms_2.pdf Qp: http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w04_qp_2.pdf qs 3eii) Can anyone explain both the...
  12. R

    Physics: Post your doubts here!

    awsum thnx know the answer to Qs 5a(ii) and (iii) of W11 22?the potentiometer one
  13. R

    Physics: Post your doubts here!

    how will the ii) part be done of this question. Will it lag behind?
  14. R

    Physics: Post your doubts here!

    can u upload the mark scheme plzzz
  15. R

    Physics: Post your doubts here!

    In qs 7a it is said to distinguish between alpha and beta particle. in the mark scheme answer is written alpha discrete values of speed/energy and B continous spectrum. What does this statment mean. The marking scheme is here...
  16. R

    Physics resource cd-rom

    does any one have physics cd-rom. Can someone email to me if someone has it?
  17. R

    Physics: Post your doubts here!

    thanx a lot :)
  18. R

    Physics: Post your doubts here!

    any1 know the detailed use of the set square. in marking scheme it is given: write detailed use of set square. do u know when measuring height how do we tell how the setsquare is used to check if the ruler is vertical?
  19. R

    Physics: Post your doubts here!

    why do we use travelling microscope does any1 know?
  20. R

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

    to calculate uncertainty do we do this: least count/ original value multiply by 100 or do we divide the least count?
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