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  1. alcoholic 111

    Physics: Post your doubts here!

    Oct/Nov 2010 P41 Question 1 anyone ?
  2. alcoholic 111

    Physics P22, How was it!

    Solids -regularly arranged closely packed Polymer-Long chain of small molecules know as monomers amorphous- irregularly arranged not closely packed
  3. alcoholic 111

    Physics P22, How was it!

    Dont worry most of the candidates found it tough than the previous past papers Percentile would definately be low around 34-35 for A grade :)
  4. alcoholic 111

    lol ty :D

    lol ty :D
  5. alcoholic 111

    Physics P22, How was it!

    Not sure about the p.d but ratio was 3:5
  6. alcoholic 111

    Physics P22, How was it!

    I think that wont work :(
  7. alcoholic 111

    Physics P22, How was it!

    3:5 (or) 0.6
  8. alcoholic 111

    Physics P22, How was it!

    dude we didn't need to write this , this is kirchoff's first law just for explaination
  9. alcoholic 111

    Physics P22, How was it!

    Elastic potential energy (strain energy) >>>> Kinetic Energy >>>>> gravitational potential energy :)
  10. alcoholic 111

    Physics P22, How was it!

    yes dude sum of all current entering a node = sum of all current existing the node.
  11. alcoholic 111

    Physics P22, How was it!

    Use P=V² / R
  12. alcoholic 111

    Physics P22, How was it!

    first part I1 = I2 + I3 (1 marks) second part was something to find current I guess (2 marks) power ratio (3marks) pd across CD (3 marks)
  13. alcoholic 111

    Physics P22, How was it!

    Electricity question was of 9 or 10 marks!!
  14. alcoholic 111

    Physics: Post your doubts here!

    20) pressure is lowered by 10% So 10 /100 x Po = po /10 So po/10 = density x g x L rearranging we get L= Po /10 density x g
  15. alcoholic 111

    Physics: Post your doubts here!

    5) error is ±3 % So 3/100 x 327.66 =9.8298 So this means that the True/exact value of speed is either ±9.8298 above or below 327.66 So 330 ms^-1
  16. alcoholic 111

    Physics: Post your doubts here!

    3) resolve the left 10 N force into it's component vertical = 10sin60 = 8.66N horizontal= 10cos60 = 5 N Now consider the horizontal forces find the result of the horizontal forces , since they are in opposite direction we would subtract them 10 - 5 = 5 N So NOW we have vertical and...
  17. alcoholic 111

    Physics P22, How was it!

    Maybe :( I thought it was of 1 mark question so only 1 force would be enough :( Weight was although too obvious :)
  18. alcoholic 111

    Physics P22, How was it!

    Dude you are referring to other variant
  19. alcoholic 111

    Physics P22, How was it!

    you should have written in 3 sig. figures Examiner might deduct 1 mark
  20. alcoholic 111

    Physics P22, How was it!

    The question was that what was ONE force acting when the mass is released from the below point and it was TENSION Gamma Radiations
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