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  1. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Chemistry%20(0620)/0620_w08_qp_03.pdf Q4 b i and ii Q7 a i
  2. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    thanks a lot
  3. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    phy http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Physics (0625)/0625_s09_qp_3.pdf 5 ( B ) http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s12_qp_31.pdf 11 b and c why the LDR in gap B and why thermistor in gap A...
  4. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    phy http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s09_qp_3.pdf 5 ( B )
  5. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Physics (0625)/0625_s11_qp_32.pdf last question half life = 8 h for completing the curve ,, do I continue dividing the count rate and adding 8 hours to plot a point ?
  6. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Mathematics%20(0580)/0580_w10_qp_42.pdf Q 8 b Q 9 a , why 7/10 and 3/10 ? Q9 c
  7. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    Thanks A Lot !
  8. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    Thanks a lot , i didnt know if I have a lot of questions I shall post them individually , sorry
  9. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    please replay to my questions in page 163
  10. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Mathematics%20(0580)/0580_w09_qp_4.pdf This is one of the hardest paper i solved , and i have a lot of Q ,, please help me .. Q 2 a iv , why the factor is -1 but not 1 ? Q3 C Q6 D Q7 C ii Q8 C iii Q10 C , f , g Solve the...
  11. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    t Thanks A Lot (y)
  12. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Mathematics%20(0580)/0580_s12_qp_41.pdf Q 10 (b) : how can i get the upper radius ? -------------------------------------------- In similarity , using the k , k^2 or k^3 how do i know when are the given numbers in the question are just...
  13. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    EF = Reflecting surface GH = Normal JG = Incident ray GK = Reflected ray a(i) P3 and P4 are on the reflecting ray , they should be at least 5cm away a (ii) measure angle between JG and GH a (iii)measure angle between GK and GH b ,, i am having a problem there too :(
  14. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s08_qp_6.pdf Q3 a ,, can i start the y-axis with 50 ? please ASAP
  15. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Physics%20(0625)/0625_s10_qp_61.pdf Q 4 ( b)(i)
  16. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    place the lens between two blocks ,, measure the distance between the blocks
  17. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    couldnt get 3 C
  18. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Physics (0625)/0625_w10_qp_61.pdf Q 1 C ,, I got a straight line in the graph so i can find the gradient by Y2-Y1/X2-X1 , but why in ms they say show a triangle ? Q 1 D : what is the value of G ? and how ? Q 3 C : whats the answer and...
  19. Ahmed Al Hilali

    Mathematics: Post your doubts here!

    got it thank you
  20. Ahmed Al Hilali

    Physics, Chemistry and Biology: Post your doubts here!

    got it thank you
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