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  1. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    equation of young modulus (E) E = (L)/m*A L - length m - gradient A - area so when you make m the subject of the formula m = (L)/E*A so when E is halved, m is doubled when L and A are constant This is the correct way to do it All of your'll thought when E is halved gradient is halved
  2. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    how can it be half??
  3. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    guys for the Young Modulus graph u have to draw, the gradient is twice the given graph right?
  4. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    ya something like that i cant remember :)
  5. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    Sorry bro lambda/2 gives 500. I did lambda/2 and got 500 and so did, it seems, everyone else. Maybe you did an error in calculation
  6. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    yeah resistance decreases when light increases
  7. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    lambda is not 0.34m (lambda)/2 = (o.34/100) It was given in centimeters not meters
  8. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    nah its 500 u used (lambda)/4 instead of (lambda)/2 (lambda)/2 is correct
  9. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    it is 500 u and ur friends have (lambda)/4 instead of (lambda)/2
  10. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    are u sure its 500?? the frequency i mean
  11. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 2 AS!!!!!!!!!!!

    it was easy??? IT WAS DAMM EASYYYYYYYY!
  12. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 5 PPL ? HOW WAS YOUR EXAM ?

    u have to use a tabletop fan with variable speeds
  13. WhereAmazingHappens

    HOW WAS PHYSICS PAPER 5 PPL ? HOW WAS YOUR EXAM ?

    'Twas so easy i fell asleep during the exam :)
  14. WhereAmazingHappens

    AS Physics P22 Related.

    didnt know that. u better be correct
  15. WhereAmazingHappens

    AS Physics P22 Related.

    Intensity directly proportional to amplitude squared. Never heard about frequency squared......:confused:
  16. WhereAmazingHappens

    Physics Paper 5 !!

    No its Lg(24) +/- [(lg(24+4)-lg(24))]
  17. WhereAmazingHappens

    Chemistry 42....how did it go?..expected GT

    i said when oxygen is dissolved in water there is no temp change so enthalpy cannot be measured. This is correct i think and oxygen is obviously soluble in water
  18. WhereAmazingHappens

    As physics

    Can someone please explain diffraction grating basic principles and equations or at least give me a site to learn them? Thanks much appreciated
  19. WhereAmazingHappens

    Chemistry 42....how did it go?..expected GT

    even i got negative answer
  20. WhereAmazingHappens

    Chemistry 42....how did it go?..expected GT

    Ionic is correct
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