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  1. F

    Biology; Chemistry; Physics: Post your doubts here!

    It will remain constant. That is the answer. :p
  2. F

    Biology; Chemistry; Physics: Post your doubts here!

  3. F

    Biology; Chemistry; Physics: Post your doubts here!

    c iii) ? i assume it's c i) --> the ray of light is not perpendicular / at 90 degress to the surface.
  4. F

    Biology; Chemistry; Physics: Post your doubts here!

  5. F

    Biology; Chemistry; Physics: Post your doubts here!

    But you cant control the voltage in that. You can control the voltage in this :p Yes it is.
  6. F

    Biology; Chemistry; Physics: Post your doubts here!

    was the graph in bio paper a best fit curve or a smooth curve? Both. I wish they'd let us use flexicurves :|
  7. F

    Biology; Chemistry; Physics: Post your doubts here!

    As you move toward the positive terminal, the potential difference increases.
  8. F

    Biology; Chemistry; Physics: Post your doubts here!

    It's the last question right? Dish . Different Amount. Control. Growth. Always do the graph first. Some people say do it in the last but sometimes if you mismanage time, you're in a rush and you lose those free4/5 marks. And you need to leave 10 mins for checking. 50 mins left. Do graph on in...
  9. F

    Biology; Chemistry; Physics: Post your doubts here!

    I wouldnt say perfect but the only thing i could have messed up on were maybe the magnification and the adaptation one. I knew the answers of all others. Did both question in 25 mins each and then 10 mins for checking :P
  10. F

    Biology; Chemistry; Physics: Post your doubts here!

    Read the question. NEVER write you answers in the answer space after solving them. Recheck them in the end and then write. My paper went very well Alhamdullilah because i gave my full time and read each question carefully. :3
  11. F

    Biology; Chemistry; Physics: Post your doubts here!

  12. F

    Biology; Chemistry; Physics: Post your doubts here!

    What you guys are dicussing right now >, right?
  13. F

    Biology; Chemistry; Physics: Post your doubts here!

    Make the voltmeter in series. Just remember in these type of questions, ammeter is in series, voltmeter in parallel, current is same in series and different in parallel, voltage is different in series same in parallel, and resistance in series is just A+B+C while it's AxB in parallel...
  14. F

    Biology; Chemistry; Physics: Post your doubts here!

    Two methods. One is plotting the magnetic field by compass. The magnet which has more magnetic field lines is stronger. Second: Attach a number of paper clips to the compass. The magnet which attracts more paper clips is stronger.
  15. F

    Biology; Chemistry; Physics: Post your doubts here!

    red one's the string. pink's a clamp. black's a pulley. the other are different loads.
  16. F

    Biology; Chemistry; Physics: Post your doubts here!

    Add a newton meter below the load.
  17. F

    Biology; Chemistry; Physics: Post your doubts here!

    Actually this introduces way more error than two people handling it. The human body is not very fast so you cant press the stopwatch at exactly the moment it falls. But if you have two students, one has his full attention on pressing the stopwatch. Thus less error is found.
  18. F

    Biology; Chemistry; Physics: Post your doubts here!

    It is the measure of the maximum and the minimum temperature the thermometer can measure. To increase range we can either make the thermometer longer or make the bore bigger.
  19. F

    Biology; Chemistry; Physics: Post your doubts here!

    Yes.
  20. F

    Biology; Chemistry; Physics: Post your doubts here!

    Because it's a distance time graph :p
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