Qualification > Sciences
IGCSE PHYSICS
~~~~shreyapril~~~~:
--- Quote from: ~~~~shreycool~~~~ on November 08, 2009, 02:56:21 pm ---direct form ms!!
no editing:
(b) any attempt to use p x v = constant or correct
proportion
fraction 2 x 80/25 seen
p = 6.4 x 10 (Pa)
--- End quote ---
i guess they have missed 6.4 *105
this is the true ans!!
i guess the ms is wrong again!!!
@d!_†oX!©:
hey wassup...the answer is 64 * 10^5 Pa
the ms has misprinted nd forgotten to add 5 there
wassup:
ok thanks ppl
@d!_†oX!©:
hey wassup check this out, direct from the er:
Question 4
(a) The confusion between particles and molecules was less common than with previous questions on
this topic. However there were considerable numbers of candidates who thought that the dust
particles were “lighter than the heavy air molecules”. Many answers were spoilt by extending this
wrong concept to “fast moving dust particles colliding with air molecules”. However, there were
many excellent answers seen.
(b) Large numbers of fully correct answers were seen, generally well set out and with all the working
shown. The most common error was the use of 2 x 25/80 instead of 2 x 80/25.
Answer: (b) 6.4 x 105 Pa.
~~~~shreyapril~~~~:
thats wat i have told earlir!!!
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version