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  1. L

    Zeeshan Jaka or Nasir Ghani? For add maths khi

    I had Sir Zeeshan's number.. but I don't have it anymore. Anyway, he was my O-level teacher and my AS teacher and personally I think he's good enough. I got A*s and As in my O-level and I am hoping to get an A in AS level, InshAllah. I heard NG does a lot of questions on each topic though.
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    AS Physics P1 MCQs Preparation Thread.

    (1/N) sin θ = nλ (sin θ) / λ = Nn So the gradient is Nn.
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    AS Physics P1 MCQs Preparation Thread.

    You are supposed to find the area of the region from 0 to X individually and X to Y individually. That's 2.5 + 1.05 = 3.55 J.
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    CIE is running out of questions.

    I don't take those subjects, I thought you were talking about physics. :P But it doesn't matter anyway because in general, past papers for any subject is pretty important in my opinion. Don't be scared, because those are the type of questions that may come in your paper and if you're scared of...
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    CIE is running out of questions.

    Wait, do you mean you won't do past papers? Because you should, and like 5 repeats sometimes come in a paper. At least do 2002-2003 and as many as you can do from 2011 backwards. You get great practice from a past paper and know which type of questions are going to come.
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    AS Physics P1 MCQs Preparation Thread.

    I posted the solutions of all June 2002 questions in the other thread. http://www.xtremepapers.com/community/posts/317510 Kind of rushed it so some answers might not be clear, but it should help anyway.
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    AS Physics P1 MCQs Preparation Thread.

    For distance x from rest, s = ut + 0.5at^2 x = 0.5a * t1^2 For distance h from rest, h + x = 0.5a * t2^2 Place x from equation 1 into equation 2, h + 0.5a * t1^2 = 0.5 * a * t2^2 0.5a(t1-t2)^2 = h a = 2h/(t1-t2)^2
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    As physics p1 MCQS YEARLY ONLY.

    OK here's all of June 2002. June 2002 ========== 1. B Fact. A would be right if K was given instead of °C. 2. B You go FORWARD in the direction of X and BACKWARD in the direction of Y. 3. A The units of speed (msˉ¹)s are equal on both sides. 4. B You can eliminate A, C and D...
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    AS Physics P1 MCQs Preparation Thread.

    Q16) Take moments about the point X on the wall. You know that the weight lies in the middle, so if you assume the distance XY to be 1m (or 'x' m or whatever you want), the weight would be 0.5m from X. And the anti-clockwise moment, F is given by F sin 30 and it is 1m from X. So form an...
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    AS Physics P1 MCQs Preparation Thread.

    The Young Modulus is a characteristic of a material, not its dimensions. Therefore the Young Modulus will still be E. Even if you triple the length and do whatever with the area, it will still be E. No calculations were needed to solve this question. :P
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    AS Physics P1 MCQs Preparation Thread.

    Should we start from 2011 backwards, on 2002 onwards?
  12. L

    AS Physics P1 MCQs Preparation Thread.

    Was your acceleration -1.7?
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    AS Physics P1 MCQs Preparation Thread.

    Agreed. :|
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    CIE is running out of questions.

    Grade Thresholds, the minimum marks required to obtain grades. For example, some people think that an A in the MCQ paper would be around 31/40, B would be 26/40, etc.
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    AS Physics P1 MCQs Preparation Thread.

    Q = I * t Q = 10 * 1 = 10 C 1 ē ....... 1.6 * 10^-19 C x ē ....... 10 C = 6.3 * 10^-19 electrons. Also, for the record, the area doesn't matter in this question because Q = I * t. There's no area in this formula and 10A is flowing through the current.
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    AS Physics P1 MCQs Preparation Thread.

    If the plates are not parallel, then that means where the 2 plates are closest, they get the strongest field lines right? And the field lines get weaker as the plates become further apart (which is what is happening in options A and D). And the field lines can't be straight if the plates aren't...
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    AS Physics P1 MCQs Preparation Thread.

    Q11. Relative speed of approach = Relative speed of separation. The formula for this is: U1 - U2 = V2 - V1 UA - (-UB) = VB - VA UA + UB = VB - VA In fact, you don't even need this formula. Just closely look at the diagram. The relative speed of UA and UB is UA + UB, and the relative speed of...
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    AS Physics P1 MCQs Preparation Thread.

    How do we solve it?
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    AS Physics P1 MCQs Preparation Thread.

    (Where E is the Young Modulus, I rearranged the equation to make F the subject and divided the ratios accordingly).
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    AS Physics P1 MCQs Preparation Thread.

    OK, see this diagram: I have used a fake value of 6A (you can use anything) entering each junction (they have to be the same at each junction of course). In parallel, the currents are divided into the inverse proportionals of the resistors. I have named each resistor "A", "B", "C" and "D"...
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