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  1. F

    significant figures

    Assalam O Alaikum! why marking sceheme doesnot always give answer correct to lowest sig. fig. in the question(particularly in physics marking schemes) ... i have always seen a mixture.. what number of sig. fig. should be reasonable and is there any marks deduction for quoting wrong sig fig. or...
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    Some of my concepts,that may help or u may correct(physics 3

    1. If graph is plotted with axis starting from non-zero then u have to mention false origin!! 2. When making a table, if a quantity is squared or any other operation is applied, it is more preferable to give the resultant value in same significant figures 3. The examiner doesnot accept...
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    vernier caliper

    assalam alaikum! i just wanted to confirm that when measuring any thing with caliper, we do like this: value on main scale *plus* no. of divisions on vernier scale into 0.005.... and error in vernier caliper is 0.005 or 0.01 cm ??????? help plz...
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    chemistry 34 threshold

    plz dont discuss the paper, just guess the threshold, i say around 28..... it was tough :
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    chemistry 34 practical

    Are lab coats must for the practical... Somebody told me that the cie, dont even allow students without lab coat
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    i wrote more than the given space

    <comment removed> REASON: Paper Discussion before 24 hours!
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    physics AS GT

    grade threshold for physics p2 is always around 60% for A grade.... last year in may 2010 it was 32 out of 60 for A grade!!! Well is it gonna be a tough paper this year too?? .... are there any guesses for this year??? are stationary waves more important than progressive ??
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    chemistry AS and M1 questions

    Aoa! 1.when examiner asks abt reagent we have to mention in general like H/Cr2O7 2- or can we mention potassium dichromate 7??? 2.is ligand in our course? 3.does use of electrostatic force b/w ions and electrons or mettallic bond better words for forces in metals , bcuz examiners always mentions...
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    most difficult sitautions

    Assalam o alaikum!hope u ppl are doing well for upcoming exam.! actually i wanted some, one of the most difficult questions of chemistry, physics AS and math p1 and m1. so i can know a little bit where i stand... please help me in this regard by telling links of exam papers before 2005 of which...
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    calculator help needed!

    Assalam alaikum! I am appearing in my AS subjects in this session inshallah. The prob is for math and physics paper i am confused that in which mode shuld i put my calculator ? I noe for answer in degrees u use deg mode etc but wat abt sd, comp, lr normal fix, sci mode?? btw i ve fx-350 W.
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    Calculator for olevel

    can anybody tell me which type of calculator may be used in olevel examination. i used casio fx-MS991.i am confused please guide me..
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