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Recent content by examfearz

  1. E

    Physics MCQs thread.

    Yeah I thought the same thing but the Answer is C!! :%)
  2. E

    Physics MCQs thread.

    I know this has been askd before but can anyone tell me the reasoning behind this...I know the k.e is not conserved but how can we tell exactly what the chng in momentum will be?
  3. E

    Physics MCQs thread.

    Anyone?? How is the answer D?...i cant understand
  4. E

    Physics MCQs thread.

    someone tellme how to do this...i cant figure out in how many boxes a wave is being completed.. :%)
  5. E

    Urdu Paper.. or Targeting Pakistan :(

    F***d up CIE..... =@
  6. E

    Physics MCQs thread.

  7. E

    Physics MCQs thread.

    I thnk u r rite....though i hav a confusion...y cant we use the K.E equation in this??
  8. E

    Physics MCQs thread.

    I = A^2.....so for Amp 8.0 the Intensity shud be 8^2 = 64....in the equation given this I is for I = 1\r^2 now for distance 2r..the eq gives us I = 1/(2r)^2 whch is equal to 1\4r^2 which means that the intensity decreases by 4 times so for 2r I becomes 64\4 = 16...and Amplitude= root of...
  9. E

    Physics MCQs thread.

    Is the answer D?
  10. E

    Physics MCQs thread.

    how do we solve this??
  11. E

    Physics MCQs thread.

    can nyone explain the working of this question??
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