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  1. confused123

    Physics: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s11_qp_21.pdf help required in 4 b ii part. and 7 b part. Thanks.
  2. confused123

    Naan Chanay!! You Beauty! :D

    Naan Chanay!! You Beauty! :D
  3. confused123

    sure it does. agreed :D

    sure it does. agreed :D
  4. confused123

    Physics: Post your doubts here!

    then its unlikely that someone will be able to answer. you better write the question here..
  5. confused123

    Physics: Post your doubts here!

    attach the link to the past paper plz.
  6. confused123

    CIE exam tension is killing me :/

    yeah i feel like i will 4get a lot of stuff on the paper day. all the mistakes i am doing in past papers, i guess i will repeat these mistakes. as i have no extensive past paper practice. Allah bhala karay sabka :D
  7. confused123

    Physics: Post your doubts here!

    ok you think but you are not sure. i can memorize the situation just like in the questions above. Thank You. :)
  8. confused123

    Physics: Post your doubts here!

    A? maybe experimental error which caused wrong mass to be calculate which resulted in difference in densities? caz atoms atoms per unit volume will remain same..share the correct option
  9. confused123

    Physics: Post your doubts here!

    maximum current will be possible when the voltage across 6 ohm resistor equals to driver cell voltage or when there is least resistance in the circuit. i.e 12, when its 12, I =V/R , 12/6 = 2 A . Minimum will be zero . i am not sure bout this but maybe when the jockey is move towards the extreme...
  10. confused123

    Physics: Post your doubts here!

    hi bro, from where did u took this question ? is this answer really correct. i learned the formula in the cambrdige book which says in this case => AB/ AC into Eo i.e .65/1 into 12 = 7.8 Volt. but here i see a different situation where first we divided ab length with total length and then...
  11. confused123

    Potentiometer concept

    its a device used to compare potential differences. it consists of a metre length of resistance wire stretched horizontally between two points. a driver cell is connected across the length of the wire. Ex = AY / AB into Eo EX being the cell of which emf is not known AY being the jockey...
  12. confused123

    Housefull 1 was damn funny :D

    Housefull 1 was damn funny :D
  13. confused123

    Mathematics: Post your doubts here!

    Q. 9 ii part and iii part. http://www.xtremepapers.com/CIE/International%20A%20And%20AS%20Level/9709%20-%20Mathematics/9709_w05_qp_1.pdf
  14. confused123

    Physics: Post your doubts here!

    makhan toh double rooti pe lagaya jata hay! :D nai u deserve it, u r helping me from long long ago from stone age till 2012. good work!:D
  15. confused123

    Physics: Post your doubts here!

    the one and only wonder kid in the country... yes my fellows u r right! miss unique840!! the physics expert ;D
  16. confused123

    Physics: Post your doubts here!

    calculate the wavelength and path difference at maximum frequency and minimum frequency. they are 0.85 and 3.4. so after 0.85 1, 1.5, 2, 2.5, 3 comes. so 2 fractional values exist hence 2 minimas. hope it helps. Thanks to the wonderful unique840! :D
  17. confused123

    Physics: Post your doubts here!

    whatever i got after spending quite a lot time on b part. :| a ) when the phase angle difference will be pi radians and when path difference is in fraction form i.e n+ 1/2 lambda then the intensity will be zero, no sound will heard on the microphone. 2) if the amplitudes equal to zero then...
  18. confused123

    Its raining suggestions! Advancing XtremePapers, Advancing Knowledge

    Of course you can't. :) its pretty simple, keep the authority of banning and editing posts to yourself only. i.e the owner of the forum.
  19. confused123

    Its raining suggestions! Advancing XtremePapers, Advancing Knowledge

    Your Welcome.
  20. confused123

    Physics: Post your doubts here!

    i think you have to give a reason like this that you have been giving your answers in the previous measured quantities in 3 s.f so that's why using the same number of s.f throughout.
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