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  1. hellodjfos;s'ff

    Physics: Post your doubts here!

    There
  2. hellodjfos;s'ff

    A Level guess papers M/J 2018

    Or can someone refresh me about which topics and questions came up in the paper 22 for physics, since p2 and p1 topics are often interlinked.
  3. hellodjfos;s'ff

    A Level guess papers M/J 2018

    Post physics p1(mcq) expected papers please.
  4. hellodjfos;s'ff

    Physics: Post your doubts here!

    Bro, if you don't know how to do this, may god bless you for the upcoming exam. Really easy question... Anyways: firstly, efficiency is the (output/input)*100. In this case, the input is the KE while the output GPE is the input. You find the KE: 1/2*500*2^2. Then all these values in the...
  5. hellodjfos;s'ff

    Physics: Post your doubts here!

    This question is really easy and simple. You can easily answer it by understanding that the area under a graph is the work done for a F-x graph. So, the total area under the graph to reach e is the combo of X and Y, thus the answer is B. What I am about to say may confuse you, so you may choose...
  6. hellodjfos;s'ff

    Mathematics: Post your doubts here!

    It matters whether you use 9.81 or 10 as g. For maths, you are required to use 10 as g, but in physics you are required to use 9.81 as g. You can lose several marks for incorrect answers if you don't use the correct value for g.
  7. hellodjfos;s'ff

    Physics: Post your doubts here!

    A few of my friends are giving it, but i am done with my practical(v33). My friends told me there will be a water/thermodynamics experiment. You can ask around if anyone else knows the details about which type of experiments are coming up.
  8. hellodjfos;s'ff

    Physics: Post your doubts here!

    Bros, you got any special tips for paper 1? And do send some tough paper 1 questions. I just finished the rest of my AS exams today, so I just got physics paper 1 left.
  9. hellodjfos;s'ff

    Physics: Post your doubts here!

    You can get the solved past papers book from any bookshop. If that is an expensive method(yeah it is not cost-effective), you may search this stuff on google or youtube. You would find at least a couple of them on youtube and google.
  10. hellodjfos;s'ff

    Grades good enough for UK

    Scholarships are highly unlikely with those grades. Unless you have exceptional co-curriculars or you are taking a student-athlete approach.
  11. hellodjfos;s'ff

    Mathematics: Post your doubts here!

    There's only one variant for feb/march papers...lol
  12. hellodjfos;s'ff

    Physics: Post your doubts here!

    I am expecting more than 55 out of 60. Very confident about it
  13. hellodjfos;s'ff

    Physics: Post your doubts here!

    You need to understand that during fusion, kinetic energy is always gained. The mass-energy was constant, not mass on its own.
  14. hellodjfos;s'ff

    Physics: Post your doubts here!

    I am taking AS exams this summer. My AS batch felt it was really easy and A2 batch found it slightly difficult(this could be because they had a P5 clash so they studied more for P5 I guess).
  15. hellodjfos;s'ff

    Physics: Post your doubts here!

    S17 was surely tougher than s18! S18 had standard questions with little trickery, but s17 had a few new questions with different styles. Thresholds are expected to be 40-42 for S18.
  16. hellodjfos;s'ff

    Physics: Post your doubts here!

    Yes bro, frequency increased. That was a bit of a trick, though it could've easily been noticed.
  17. hellodjfos;s'ff

    Physics: Post your doubts here!

    It is kinetic energy.
  18. hellodjfos;s'ff

    Physics: Post your doubts here!

    The time was 12s for sure, I have checked that question with my teacher. Also just to clarify, you don't lose a mark for every answer that has an incorrect no of significant figures. You only lose 2 marks at max for the whole paper if you have written answers to an incorrect no of significant...
  19. hellodjfos;s'ff

    Physics: Post your doubts here!

    You would lose both marks for that part since your formula/working would be incorrect and your final answer too. For the next question, you would also lose the mark unless you somehow said that the observed frequency would increase(the correct answer). Even if you wrote that observed frequency...
  20. hellodjfos;s'ff

    Mathematics: Post your doubts here!

    12 s for last part of waves question. Total energy transformed was 6000 J which can be found through the formula, E=IVt(you would have learnt this in olevels).
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