Hi ganesh,
If you are prepared and confident then there is no need to sort things on basis of importance and weightage of topics just go through those about which you are a bit doubtful
Thanks

JEE Mains Syllabus 2018 for Physics with Weightage

 

UnitsSyllabus / TopicsJEE Mains Physics Chapter Wise WeightageOverall Weightage

Section – A (Theory Part)

Unit 1Physics and Measurement– 

 

 

80% Weightage

 

Unit 2Kinematics3%

Unit 3Laws of Motion6%

Unit 4Work, Energy and Power4%

Unit 5Rotational Motion7%

Unit 6Gravitation2%

Unit 7Properties of Solids and Liquids3%

Unit 8Thermodynamics8%

Unit 9Kinetic Theory of Gases2%

Unit 10Oscillations & Waves–

Unit 11Electrostatics9%

Unit 12Current Electricity4%

Unit 13Magnetic Effects of Current and Magnetism6%

Unit 14Electromagnetic Induction and Alternating Currents3%

Unit 15Electromagnetic Waves–

Unit 16Optics6% Ray Optics

5% Wave Optics

Unit 17Dual Nature of Matter and Radiation–

Unit 18Atoms and Nuclei4%

Unit 19Electronic Devices3%

Unit 20Communication Systems4%

Section-B (Practical Component)

Unit 21Experimental Skills–20% Weightage

 

 

JEE Main 2018 Syllabus for Mathematics with Weightage

 

UnitsSyllabus / TopicsJEE Main 2018 Maths Chapter Wise Weightage

Unit 1Sets, Relation and Function4%

Unit 2Complex Numbers and Quadratic equation5%

Unit 3Matrices and Determinants4%

Unit 4Permutations and Combinations2%

Unit 5Mathematical Induction1%

Unit 6Binomial Theorem1%

Unit 7Sequences & Series5%

Unit 8Limit, Continuity and Differentiability5%

Unit 9Integral Calculus6%

Unit 10Differential Equations2%

Unit 11Co-ordinate Geometry3%

Unit 12Three-Dimensional Geometry5%

Unit 13Vector Algebra5%

Unit 14Statistics and Probability7%

Unit 15Trigonometry2%

Unit 16Mathematical Reasoning–

 

 

Chemistry JEE Main Syllabus 2018 with Weightage

 

Section-A: Physical Chemistry

UnitsSyllabus / TopicsWeightage

Unit 1Some Basic Concepts in Chemistry4%

Unit 2States of Matter–

Unit 3Atomic Structure2%

Unit 4Chemical Bonding and Molecular Structure4%

Unit 5Chemical Thermodynamics5%

Unit 6Solutions5%

Unit 7Equilibrium4%

Unit 8Redox Reactions and Electrochemistry4%

Unit 9Chemical Kinetics2%

Unit 10Surface Chemistry3%

Section-B: Inorganic Chemistry

Unit 11Classification of Elements and Periodicity in Properties–

Unit 12General Principles and Process of Isolation of Metals–

Unit 13Hydrogen–

Unit 14S- Block Elements (Alkali and Alkaline Earth Metals)5%

Unit 15P- Block Elements5%

Unit 16D- and f- Block Elements2%

Unit 17Co-ordination Compounds5%

Unit 18Environmental Chemistry–

Section-C: Organic Chemistry

Unit 19Purification and Characterisation of Organic Compounds2%

Unit 20Some Basic Principles of Organic Chemistry4%

Unit 21Hydrocarbons–

Unit 22Organic Compounds Containing Halogens3%

Unit 23Organic Compounds Containing Oxygen–

Unit 24Organic Compounds Containing Nitrogen2%

Unit 25Polymers–

Unit 26Bio Molecules5%

Unit 27Chemistry in Everyday Life1%

Unit 28Principles Related to Practical Chemistry–

Hello friend,

• You can attempt at JEE Mainsthree times.Oncewhile appearing for your 12th board or other qualifying exam and two more times after passing 12th or the qualifying exam. But do note that the 2 attempts need to be in consecutive years right after your 12th.
• In WBJEE, there is no limit to the number of attempts and there is no upper limit too. You just have to be 17 years of age on December 31, 2018.

Following are the topic fo jee mains:

PHYSICS
Physics and measurement

Kinematics

Thermodynamics

Work, energy and power

Rotational motion

Gravitation

Laws of motion

Properties of solids and liquids

Electronic devices

Kinetic theory of gases

Oscillations and waves

Communication systems

Current electricity

Magnetic effects of current and magnetism

Electromagnetic induction and alternating currents

Electromagnetic waves

Optics

Dual nature of matter and radiation

Electrostatics

Atoms and nuclei

Mathematics

Sets, relations and functions

Complex numbers and quadratic equations

Matrices and determinants

Mathematical reasoning

Mathematical induction

Permutations and combinations

Sequences and series

Lbw, continuity and differentiability

Integral calculus

Differential equations

Binomial theorem and its simple applications

Three dimensional geometry

Vector algebra

Co-ordinate geometry

Statistics and probability

Trigonometry

CHEMISTRY
Physical Chemistry



Some basic concepts in chemistry

States of matter

Atomic structure

Chemical bonding and molecular structure

Chemical thermodynamics

Solutions

Equilibrium

Redox reactions and electrochemistry

Chemical kinetics

Surface chemistry



Organic Chemistry



Purification and characterisation of organic compounds

Hydrocarbons

Chemistry in everyday life

Principles related to practical chemistry

Organic compounds containing halogens

Organic compounds containing oxygen

Organic compounds containing nitrogen

Polymers

Some basic principles of organic chemistry

Biomolecules



Inorganic Chemistry



Classification of elements and periodicity in properties

Hydrogen

Block elements (alkali and alkaline earth metals)

Block elements group 13 to group 18 elements

D - and f - block elements

Co-ordination compounds

Environmental chemistry

General principles and processes




For another related detail follow up the link given below:
https://www.google.co.in/amp/s/engineering.careers360.com/articles/jee-main-syllabus%3famp

Best of luck

there 3 attempts to givem to each student for jee mains. prior to this below i have listed the main topics subjectwise, have a look and them.

Physics-

·         Mechanics-especially rotational mechanics.. a very very important topic and a question from this topic is sure to come. All concepts of Rotational mechanics should be very thoroughly studied till the point you understand each bit of it. Also understanding concepts of Waves is important. Mechanics as a whole is a part worth enjoying in Physics. just enjoy Mechanics and it would be the best and the strongest part of yours

·         Modern Physics-Though easy topic but had a lot of weightage in JEE Advance 2016. In Modern Physics-there is no as such specific topic which needs a very special attention..Just understand the concepts of Radioactivity and Photoelectric effect(including X-rays), and mass-energy relationship and its use)

·         Optics- especially concepts of wave Optics(Ray optics is mostly asked in JEE in combination with Wave optics)

·         Electricity and Magnetism- LC, RC, LR circuits in different combinations and in alternating Current. Electromagnetic induction, Concepts of magnetism(they are scoring especially when you are careful with vectors while solving questions)

·         Thermodynamics- Radiation(Blackbody radiation, Stefan’s law, Newton’s law of cool), Isothermal, adiabatic and other thermodynamic processes.

Chemistry-

1.    Physical Chemistry-

·         Electrochemistry

·         Ionic Equilibrium-A very important topic.

2. Inorganic Chemistry-

·         Inorganic Qualitative analysis.

·         P-Block elements

·         Chemical Bonding- A basic but involving concepts from which tricky questions can be made(especially Hybridisation).

·         Metallurgy(Methods of extraction of different metals)

3. Organic Chemistry-

·         Aldehyde, Ketones, Alcohols, Carboxylic Acids and named reactions and the conditions required for a named reaction to take place.

Mathematics-

·         Integration(especially definite integration properties and its applications ), Differential calculus

·         Permutations and Combinations(questions mainly asked through concepts and theorems of Probability)

·         Complex Numbers

·         Vectors(especially 3D because most of the vector questions asked in JEE involve 3D concepts)

·         Just memorise trigonometry (properties of triangles) formulas by heart. Many of them when directly applied lead to very fast question solving.

·         Also memorise formulas and properties of Ellipse, Hyperbola, Parabola and circle by heart. No need to go beyond standard conics. Questions probably involve just standard cases.

·         Differential Calculus has high weightage but most of it is intuitive.

And NOTE:-

A) Important topic that you must have a strong grasp on 

B) Scoring topics 

C) important topic that you should practice a lot and carry most weightage

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