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  1. Z

    Physics: Post your doubts here!

    i think even after such intense discussion, our marks haven't dropped below 80 so it's all good i guess. :P
  2. Z

    Physics: Post your doubts here!

    for Q1 last part is equating G.P.E to K.E and then finding v and then saying since it's lesser than the given velocity, it will escape. is this enough for 4 marks?
  3. Z

    Physics: Post your doubts here!

    Yes thats correct the exact same one came in 17 not sure M/J or O/N
  4. Z

    Physics: Post your doubts here!

    how did u guys label in the last q? was one with y intercept the initial one? and the one with peak which went down the unstable one and the one which leveled off was the last one right?
  5. Z

    Physics: Post your doubts here!

    please stop lol. :( and i thought this was an easy paper. VERY TRICKY!!!!!
  6. Z

    Physics: Post your doubts here!

    YES!!!! It was 48 in M/J 16
  7. Z

    Physics: Post your doubts here!

    yeah just checked the W08 MS, one mark is for quantum/packet of energy and second one for of electromagnetic wave
  8. Z

    Physics: Post your doubts here!

    i think 1 for the gain and 2,2 marks for the following parts but u'll get the ecf
  9. Z

    Physics: Post your doubts here!

    yeah voltage has to be mentioned.
  10. Z

    Physics: Post your doubts here!

    the mark scheme mentions output in brackets so i think it's fine without it too
  11. Z

    Physics: Post your doubts here!

    is photon a quantum/packet of energy of an electromagnetic wave right for 2 marks?
  12. Z

    Physics: Post your doubts here!

    i think this is from W08
  13. Z

    Physics: Post your doubts here!

    i wrote that computers processes the 2d images from slices to give a three dimensional image of the structure.
  14. Z

    Physics: Post your doubts here!

    the time period was for 8 boxes i think and we had to look at 12 .
  15. Z

    Physics: Post your doubts here!

    (part of) the output is added to /returned to / mixed with the input and is out of phase with the input / fed to inverting input this is what the ms says. i think u'll get 2/2
  16. Z

    Physics: Post your doubts here!

    did you get T1 in shm as 0.429?
  17. Z

    Physics: Post your doubts here!

    wasn't increased stability an advantage?
  18. Z

    Physics: Post your doubts here!

    a proportion of output voltage is fed back to the inverting input as to reduce the gain. is this correct for worth 2 marks? negative feedback
  19. Z

    Physics: Post your doubts here!

    there was a q for negative feedback too, right?
  20. Z

    Physics: Post your doubts here!

    for greater bandwidth, more info can be carried but fewer stations so less area would be covered. are these right?
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