Dear Ankit
There is no fixed pattern and weightage of topics in IIT JEE paper. it varies every year.
however % wise weightage for jee 2009 was like this
Maths
Algebra 28
2- D Co-ordinate Geometry 20
Differential Calculus 16
Integral Calculus 13
Trigonometry 11
Vector 10
3 - D Co-ordinate Geometry 2
PHYSICS
Electrodynamics 25
Mechanics 25
Modern Physics 21
Heat & Thermodynamics 11
SHM & Waves 11
Optics 7
CHEMISTRY
Inorganic Chemistry 37
Organic Chemistry 34
Physical Chemistry 29
All the best.
AKASH GOYAL
AskiitiansExpert-IITD
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