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  1. H

    A star in phy chem bio

    thnxx.....r u only left up wid McQs ....m only left with them and there are holidayys for one week...it wud be hell boring /...btw m thinkin of starting a thread and filling it with most difficult mcqs
  2. H

    A star in phy chem bio

    no this tym exa s were tuff u knw well i guess....bt they worked out well for me except that Kc question in chemistry theory and qualitative last part in practical
  3. H

    grade thresholds

    ya 100 percent sure u ll get A.....IF U GET A in two components and a B or C ON UPPER BOUNDARY in paper 3.....
  4. H

    A star in phy chem bio

    i mean to secur A star in A level complete..... k jxt tell me if wat marks i hv to get out of 140 to get an A at about 94
  5. H

    A star in phy chem bio

    r
  6. H

    A star in phy chem bio

    if we get 125 marks out of 140..our A star will be ensure ryt...cos i think for A u need 110-115
  7. H

    How went physics P22???

    ya it waas unusual and tricky but muine went absolutely cracking though i expect gt wud never be greater than 40
  8. H

    Physics Confusions

    guyx....similarity b/w standing and progressive waves......????
  9. H

    The Ultimate AS Physics Thread

    well see the first diaagram fig 5.1.....this is the normal extension....u can only apply f=k.e to this diagram but since we hav no data for extension in this diagram we cnt do that....now we know change in g.p.e will be equal to gain in strain energy....so in fig 5 equate this value to .5kx*2 to...
  10. H

    wHAT ARE THE WAYS of reducing sample and random error???

    so lamp c is the shorted one ryt.,?
  11. H

    wHAT ARE THE WAYS of reducing sample and random error???

    take three readings around the circumference SPIRALLY....or along the length of wire and then take avg..... http://www.xtremepapers.me/CIE/Internat ... 6_qp_2.pdf see that LAMP question and tell me wats that fault ...
  12. H

    Freaky thresholds for Physics 22

    54-58
  13. H

    The Ultimate AS Physics Thread

    . ...ur final anser is wrong....its wrtitten in ER that final uncertainity must be rounded of to 1 s.f and the ans vale then given musst be consistent with no. of d.ps in absolute error
  14. H

    polarisation....

    what is its proper definition and why sound waves cannot be polarised?....i know they are longitudinal but tell me why
  15. H

    Urgent Help in BiolOgy!!!!

    ppr to ho gaya then y??
  16. H

    The Ultimate AS Physics Thread

    105
  17. H

    The Ultimate AS Physics Thread

    u said FRINGE SEPARATION INCREASED......NOT fringe WIDTH.....but in very next line u said fringes became wider..i m confused. cn u clear me up why fringe became broader.......?
  18. H

    Physics Past Papers 22 (2002-2010) Discussion

    u knw there's already a thread so y u makin out a new one
  19. H

    The Ultimate AS Physics Thread

    hmm......well if increasing slit width broadens the fringes then y brightness increase cos it shud decrease due to redistribution of energy over a wider area
  20. H

    practical electricity p 22

    some time there are question hazard will be ther if a thinner wire is uesd...e.g in o/n 07 q6 so its always written abt heating effect....with increasing resistance does current stays constant ova there...cos only then enhanced heating effect will be possible
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