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Physics paper 31 , (a death call)

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I'm definitely not getting an A*.. First term i was one of the first 10 students in school in physics but now... last 10 maybe :(
 
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im worried too cuz if i got the evaporation wrong i will lose 5 marks right?, i think that the main problem is that i cant stop thinking about it, sometimes i think that evaporation is 100% right and sometimes i think that expansion is 100% right. and this makes me unable to study chemistry :( and also this question will decide if i get an A* or not :cautious:
 
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Ever heard of railway line expansion? I am pretty sure railway lines R solid :p
this takes days, but i dont think the experiment took a day because the glass would have been broken by then. i think that both are right but evaporation seems to make more sense to me.
 
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im worried too cuz if i got the evaporation wrong i will lose 5 marks right?, i think that the main problem is that i cant stop thinking about it, sometimes i think that evaporation is 100% right and sometimes i think that expansion is 100% right. and this makes me unable to study chemistry :( and also this question will decide if i get an A* or not :cautious:
stop worrying, bro!
whatever is correct, you cannot change your answer.
so you should concentrate on your upcoming papers.
plzzzz stop worrying!
Allah's there with you!(y)
 
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which book exactly? because if that was true then for example a thermometer will expand if it is measuring a high temperature too making it very inaccurate and it is known that solids are the worst substances that expand and gases are the best so how does a solid expand first????? and tell me why u just said it was wrote in the books explain to me why the solid expands first. ty
gyz ................its in the revion guide of physics pls chk tht if u hav sm problem in the question !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
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