Qualification > Reference Material
Physics Paper 1 MJ2009 + Mark Scheme
astarmathsandphysics:
--- Quote from: m3ani on June 22, 2009, 11:51:39 am ---isn't 18 B? because they are smoke particles and not air particles so they diffuse
--- End quote ---
It is CThe file creates a convection current becuase it heats the air, which becomes less dense and rises. The smaoke particles are drawn up by the convection current.
addicted2ig:
Thanks a lot ;D and the fuse and circuit breaker should be placed both at X ............. and about the mercury level i think (not sure) it will be of the same level bcoz the atmosphiric pressure stays the same so 76mm of mercury and the formula states that p=density*g*height
aquarian93:
hey can u post the eco p1 mark scheme, pls?
IGs:
i appreciate ur hard work..rlly thx for the mark scheme but before publishing it plz check it because there is alot of mistakes in the mark scheme
so modify it plz thx
astarmathsandphysics:
I dont agree. People can query the ms, and the answers will be correct within a week. Just read the thread.
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