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  1. Asad Moosvi

    Physics: Post your doubts here!

    So normally, more extension means more length, but here, more compression means less length?
  2. Asad Moosvi

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w11_qp_13.pdf May someone explain question 25 to me quick? I have to do other questions too :/
  3. Asad Moosvi

    Physics: Post your doubts here!

    They superpose. Let's say the waves coming from the slits have an amplitude of 1. They constructively interfere at the center, so the resultant amplitude is 2. However, in the second case, waves are only coming from one slit with an amplitude of 1.
  4. Asad Moosvi

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w11_qp_13.pdf Question 25, please!
  5. Asad Moosvi

    Physics: Post your doubts here!

    I solved it the same way now, but this takes too long :p
  6. Asad Moosvi

    Physics: Post your doubts here!

    I know that, but why did you assume the initial distance between the double slits and the screen to be 1m? If we assume something else, we'll get a different answer.
  7. Asad Moosvi

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w10_qp_12.pdf Q 27 anyone?
  8. Asad Moosvi

    As physics p1 MCQS YEARLY ONLY.

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w10_qp_12.pdf Question 27 please
  9. Asad Moosvi

    Physics: Post your doubts here!

    I don't understand what happens at Y in question 10. The total mass of what remains the same? The sand falls away, so the total mass should be less.
  10. Asad Moosvi

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w11_qp_12.pdf Questions 8, 10, 23 and 28 please! :) In question 8, why can it not be B? It does start from rest.
  11. Asad Moosvi

    Physics: Post your doubts here!

    Thank you so much!
  12. Asad Moosvi

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_12.pdf Question 38. May someone explain how the resistances add up in the second circuit?
  13. Asad Moosvi

    Physics: Post your doubts here!

    Did you use the mass that was given? If so, why? There is more than 1 atom in the cube...
  14. Asad Moosvi

    Physics: Post your doubts here!

    I still don't get it! :(
  15. Asad Moosvi

    Physics: Post your doubts here!

    So the shortest distance is basically the length of one atom? Why?
  16. Asad Moosvi

    Physics: Post your doubts here!

    But isn't this the length of one atom? We are asked to find the distance between two atoms. I don't understand what they're asking.
  17. Asad Moosvi

    As physics p1 MCQS YEARLY ONLY.

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_12.pdf Need someone to explain question 22 to me, please!
  18. Asad Moosvi

    Physics: Post your doubts here!

    Hey, can you please explain question 22 to me? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_12.pdf
  19. Asad Moosvi

    Physics: Post your doubts here!

    Question 22. http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_12.pdf
  20. Asad Moosvi

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w12_qp_12.pdf In question 26, why is the answer D? The breaking force isn't the same for both. There's a minor difference.
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