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Recent content by ganapathynar

  1. G

    How was physics paper 4

    How did you guys do the acoustic impedance question last part. Why should high frequency ultrasound be used instead of low frequency?
  2. G

    How was physics paper 4

    Nope they said velocity in m/s
  3. G

    How was physics paper 4

    But the velocity was in m/s
  4. G

    How was physics paper 4

    only amplitude
  5. G

    How was physics paper 4

    that is the thing the first sentence said so.
  6. G

    How was physics paper 4

    I thought the statement about the gas expanding against the pressure and doing 150 J of energy, was a general statement and i took the first line of the problem that is: The volume of gas remains constant and said that 150 J of energy is done on the gas, causing to keep it at constant volume, so...
  7. G

    How was physics paper 4

    i interpreted the question a whole different way!
  8. G

    How was physics paper 4

    i think you were supposed to
  9. G

    How was physics paper 4

    Unfortunetly the question said what was the numerical expression for X cm. So everything had to me in cm not m. The velocity was however m/s
  10. G

    How was physics paper 4

    Is it possible to jump from a B to an A*?
  11. G

    How was physics paper 4

    Obviously they are not the same! For one thing they have different names!
  12. G

    How was physics paper 4

    Not every physics paper has SHM about Needles, i only saw that in 2 papers
  13. G

    How was physics paper 4

    Does someone remember the last part in question 2. about internal energy and whether the change in temperature will be less or more than 297?
  14. G

    How was Chemistry 42?

    you are making me feel a lot better!!!
  15. G

    How was Chemistry 42?

    one more question, if the gt was as low as 55 wouldnt everybody get A's ? Its something really hard to imagine! :O
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