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  1. I

    HOW WAS CHEMISTY PRACTICAL?

    Q2 was all gud...bt messed up in q1.................and got time amagement prblm... hey wat would be the expected percintile this tyme FOR A..........???
  2. I

    HOW WAS CHEMISTY PRACTICAL?

    it waz cobalt.....give aqua blue ppt /sea green ppat on excess of naoh
  3. I

    Chemistry P33 Anions/Cations

    i got it rite tooooo
  4. I

    Physics PAPER 12 discussion :D

    NO,IT DECREASES, THEREFORE,MASS PER UNIT VOLUME or DENSITY INCREASES........
  5. I

    Physics PAPER 12 discussion :D

    yes it was infrared......... n for the steel ball graph it was B.......... n for that ammeter the ans was c..........
  6. I

    Physics p1 ..wat happened ? :D

    yes bioth increases it was D............... wat abt power question in which we have to tell the power distribution on resiter oyt of 12W
  7. I

    Physics p1 ..wat happened ? :D

    hey rafae this process is called Hysteresis.........check thsis link to confirm u will get ur ans to be B....... http://www.madphysics.com/exp/hysteresi ... _bands.htm
  8. I

    Physics p1 ..wat happened ? :D

    wat was the ans of the question in which itwas stated that electric field awy from the observer intro the palne of the page so whre would electron accelerate...........??
  9. I

    Physics p1 ..wat happened ? :D

    yea B was the right ans.......
  10. I

    Physics Paper 1

    in questn 32 all of the copper wireas and steel core r in parralell.... 6(1/10)+ 1/100 = 1/r solve for R......... u will get the ans 2 be B(1.6)
  11. I

    Phiscis Paper1 M/J 2007 and O/N 2007

    Q40: the paricle with less charge density will have lowest speed...... charge density= proton no/ neutron no u will get the ans to be lithium..............
  12. I

    Phiscis Paper1 M/J 2007 and O/N 2007

    Q12: m1v1+ m2v2= (m1+m2)v 4.2 + 4.1=(4+2)v v= 2 k.e=1/2 mv^2 K.e= 1/2 . 6 .2^2 k.e= 12j
  13. I

    Phiscis Paper1 M/J 2007 and O/N 2007

    Q11: total momentum = m1 v1 +m2v2 =20000(20) +(900.-30) (use minus sign with 30 coz in opposite direction of lorry) = 373 kN...
  14. I

    Phiscis Paper1 M/J 2007 and O/N 2007

    M/j 2007: Q3: u just have to look in which equation left side = right side... v=(g lemda)^1/2 ms^-1= {ms^-2 . m)^1/2 = (m^2 / s^-2)^1/2 m/s = m/s (hence proved so A ans...)
  15. I

    final practical details!

    k thanx......
  16. I

    Chemistry, Physics, Biology Paper 3 GUESS

    pm me for p33 chem n phy...........................asap........
  17. I

    Phiscis Paper 1

    in this question avverage current concept would be applied as in average velocitty..... eg: u+v/2 = s/t same here... current 1 + cuurent 2 /2 = charge /time 100+20/2 = charge/8 charge= 480... C is ans...
  18. I

    Phiscis Paper 1

    Q3) very similar to mechanics concepts.. horizontal component = 10-10cos60 vertical= 10 sin 60 (10sin60)^2 + (10-10cos60)^2= R^2 solve it u will get ur ans.............
  19. I

    PHYSICS P1 !!!! PLZ HELP !!

    ya exactly only for j2007.............
  20. I

    Chemistry, Physics, Biology Paper 3 GUESS

    hey pm me too abt p33....... plzz... for chem phy.....
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