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  1. MiniSacBall

    Physics: Post your doubts here!

    Well, how did you calculate the value of theta, I mean i didn't how to find n, I was trying on d sin theta = n lamda, I found out d but couldn't figure out the value of theta:/
  2. MiniSacBall

    Physics: Post your doubts here!

    God Bless all of you guys <3, and now just Q27 same paper
  3. MiniSacBall

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s11_qp_11.pdf Q19 Also Q27
  4. MiniSacBall

    Physics: Post your doubts here!

    Well, i am starting to hate physics as i go deep into it, or at-least since i started IGCSE Physics! -_- Here is the answer: This question can only be solved by taking an example:- So take a distance of 1200 km this takes 2 hours outwards, and 3 hours homewards. Total time = 5 hours total...
  5. MiniSacBall

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s07_qp_1.pdf Q40, Q33, Q26, Explain plz, I need a little bit of help in double slit experiment: Could any one give me all the details like, what will happen if we:- Increase the distance between the...
  6. MiniSacBall

    Chemistry: Post your doubts here!

    Welli am sorry i don;t know where!
  7. MiniSacBall

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s07_qp_1.pdf Q40, Q33, Q26, Explain plz, I need a little bit of help in double slit experiment: Could any one give me all the details like, what will happen if we:- Increase the distance between the...
  8. MiniSacBall

    Chemistry: Post your doubts here!

    Sorry it is http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s11_qp_11.pdf Q13, i don't how to get this, i have got volume as 60 cm3, how is it 30 cm3 M/J 2011 :D
  9. MiniSacBall

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s07_qp_1.pdf Q9, Explain plz :) http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s10_qp_11.pdf Q13 Also, how does it hydrochloric acid behave as acid...
  10. MiniSacBall

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s11_qp_11.pdf Q13, i don't how to get this, i have got volume as 60 cm3, how is it 30 cm3
  11. MiniSacBall

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s07_qp_1.pdf Q9, Q29, Explain plz :) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s10_qp_11.pdf Q13 Also, how does it...
  12. MiniSacBall

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s05_qp_1.pdf Q19, how is it nucleophillic substitution, i mean Br is an electrophile.
  13. MiniSacBall

    Chemistry: Post your doubts here!

    Well sir you have got this one wrong, the question says that it doesn't react with hot,acidified KMnO4. Thus, it has to be a tertiary alcohol. So to make n smallest i has to CH3, C2H5 and C3H7. So it would be C I have answered above which is C
  14. MiniSacBall

    Pakistan Studies & Islamiyat Topical Questions

    Does any one have the classified for history with out the examiner comments and marking key! I need it urgently! Thanks! mohdumar Don't mind me, can you please help me, and tell me how to get them! Thanks!
  15. MiniSacBall

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s13_qp_21.pdf Q5 c how to determine the number of minima and maxima!
  16. MiniSacBall

    Physics: Post your doubts here!

    Thought Blocker we really need help on this one, i posted this doubt too. I hope you guys get awesome marks. You guys are genius of xtremepapers. You and Suchail Riaz both are like teachers, explaining every bodies doubt in this forum/community. Allah aap dono ko kamiyab kar day (May Allah...
  17. MiniSacBall

    Physics: Post your doubts here!

    Yeah same here! I am afraid like hell!
  18. MiniSacBall

    Physics: Post your doubts here!

    Can Any one help me in this one. :unsure: And, http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s10_qp_23.pdf Q3 a) How to calculate the area, by counting the squares right, i have got like 3600+ and the answer is only 39m The heck!!
  19. MiniSacBall

    Physics: Post your doubts here!

    Dude just jumping onto parts of questions will confuse you do the whole question, Well first do b(i) On Fig. 6.1, draw a line to show the variation with potential difference V of the current I in resistor R. Once you have drawn this curve, you will find that, for example take the I as 2 A. now...
  20. MiniSacBall

    Physics: Post your doubts here!

    Well power = rate of work done / energy consumed / energy lost Here they are asking for which has higher rate of energy loss. So if you have drawn the curve of component R. You will notice that P.d (V) across C is much greater than R, at any given current. And if you remember P = IV, thus...
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