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  1. M

    Cambridge University

    Hmm, well I took my 7 subjects in the IGCSE. Got 6A*s and 1 A in PE. I have my AS grades too. I've got As in all my 3 subjects and i got a Percentage Uniform Mark of 100% in each of them. Apparently I'm national topper in India over these 3 subjects. What do you reckon my chances at Cambridge are?
  2. M

    physics p5 help

    Hahaha, I'm sorry, shit happens. Hmm, anyway, it's REAL simple. Chill. See, you've got your values with their uncertainties, right? The ones in the table. Well, all you gotta do, is plot in the main point, and then plot the upper and lower limits as well, for that point. The upper limit is...
  3. M

    Chemistry P42 Discussion

    Hmm, the GT is likely to be around 55 for a B, maybe 65-70 for an A, I think. There was loads of shit from the AS, which sucks. Haven't studied that in really long. But manageable. Hmm, overall the paper was easier than the last few times, but still tough. There were a few really good ones...
  4. M

    how was maths P32

    Hmm, Lambda = 3/8 for sure. I substituted back into the original equation and it fit like a charm. Hard Luck, man. :/ And Questions 3 and 4? Hmm, where they the ones about Polynomials and Differential equations?
  5. M

    how was maths P32

    Nope. There were 2 answers for that trigo question. Both within the domain 0<theta<90. it was Root 10 cos(2theta - 71.6)= 2 so, cos(2theta - 71.6) = 2/Root 10 2Theta - 71.6 = 50.77 OR -50.77, as cos(-x) = cos(x) Theta = (50.77+71.6)/2 OR (-50.77+ 71.6)/2 Thus, Theta...
  6. M

    URGENT HELP, COMPLEX NUMBERS, P3 Math!!!

    Salaam Walaikum, I've been looking through the past papers and I found a question I didn't understand. It was from May/June 2010 31 Question 7. Specifically the last part. Here, You have to sketch the Argand Diagram. That's easy. Next however, you've got to find the value of Mod Z for which the...
  7. M

    Physics MCQs thread.

    Hmm, what about May/June 2004 Questions 15 and 27? Help is appreciated. With Question 15, the net moment should be 40Nm anticlockwise, but it's apparently clockwise in the mark scheme.
  8. M

    Chemistry MCQ Question

    Well, all of them have Group 2 carbonates which decompose on heating. However, down the group the stability of the carbonates increases. Thus, for example, Barium Carbonate is much more stable than Magnesium Carbonate and needs a higher temperature for thermal decay. So, I guess, when...
  9. M

    physics query

    I think it's B. The intensity or brightness of the fringe decreases with distance from the central maxima, i think. What does it say on the Mark Scheme?
  10. M

    Mathematics

    Hmm...Incidentally the final answer is right, but I don't understand how you got 10!/5! ? Please explain.
  11. M

    Mathematics

    Salaam, I came across this question while doing a sample Question Paper and have gotten stuck rather badly. It would be much appreciated if anyone could offer help or a solution of sorts. Thank You. :) It says: In how many ways can the ten letters of the word GELATINOUS be arranged in a line...
  12. M

    Mathematics

    Salaam, I came across this question while doing a sample Question Paper and have gotten stuck rather badly. It would be much appreciated if anyone could offer help or a solution of sorts. Thank You. :) It says: In how many ways can the ten letters of the word GELATINOUS be arranged in a line...
  13. M

    Physics help needed For AS level

    Yes, I thought so, as well, and that seems to be the correct answer as far as I (or you for that matter, too) can tell, B corresponds to the greatest reciprocal of R and so represents the lowest resistance. However, it seems that according to the Mark Scheme, the answer is C. And I have no clue...
  14. M

    Physics help needed For AS level

    Well, I need some help with P1 Nov 2005 no. 34, please. Would be appreciated, thanks.
  15. M

    Oxidation of Alkenes!

    Hmm...I'm pretty sure it has to do with the conditions. If it's in the cold, then you get a di-ol and the reaction stops there. It it's warm, then you get an aldehyde or a ketone depending on the groups attached to the carbon atom with the double bond. (Aldehyde for 1 H and 1 R, Ketone for 2 R...
  16. M

    Biology Paper 3 June 2009 Q:5e

    5e) Sickle Cell Anaemia can be considered a form of discontinuous variation because the variation falls within definite groups. You either have sickle cell malaria (HsHs) or you do not (HaHa). There is nothing in between and so one cannot draw a continuum (continuous scale) for Sickle cell...
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