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# JEE Advanced 2015 Paper Analysis

An in-depth analysis of the JEE Advanced 2015 Question papers done by ourÂ subject experts is provided here to help students understand the nature of the question paper, its difficulty level, marking scheme and other important information. They can go through the paper analysis and prepare accordingly for the second phase of the IIT JEE entrance exam.

 Exam Conducting Body IIT Bombay Exam Date 24th May, 2015 Exam Mode Computer-Based Online Test Exam Paper and Duration 2 papers (Paper 1 and Paper 2) of 3 hours each Subjects or Sections Physics, Chemistry, Maths Total Marks 504 Marks Paper 1- 264 Marks & Paper 2- 240 Marks 168 marks per subject Question Types MCQs, Numerical Problems, Comprehension, list match sets

## JEE Advanced 2015 Marking Scheme

The marking scheme that was followed in the JEE Advanced 2015 Paper I and II are as follows:

 Paper I Paper-II Section Question Pattern Marking Scheme No. of Q. Total Marks Question Pattern Marking Scheme No. of Q. Total Marks 1 Numerical Answer TypeÂ +4 for correct, No Negative Marking 8 32 Numerical Answer TypeÂ +4 for correct, No Negative Marking 8 32 2 Multiple Answers Correct Type +4 for correct, -2 for wrong 10 40 Multiple Answers Correct Type +4 for correct, -2 for wrong 8 32 3Â Matching Columns TypeÂ +2 for each of 4 Correct, -1 for each wrongÂ Â 2 16 Paragraph Type Multiple Answer Correct +4 for Correct, -2 for wrong 4 16

### JEE Advanced 2015: Distribution of Questions

The distribution of questions in both Paper I and Paper II is given below:

 Subject Class 11 Class 12 Total No of Questions Total Marks No of Questions Total Marks No of Questions Total Marks Chemistry 13 56 27 126 40 168 Mathematics 16 72 24 96 40 168 Physics 16 68 24 100 40 168 Grand Total 45 196 75 322 120 504

### JEE Advanced 2018 Overall Difficulty Analysis

 Subject Easy ModerateÂ Tough No. of Questions Total Marks No. of Questions Total Marks No. of Questions Total Marks Physics 11 44 17 68 12 56 Chemistry 9 36 15 60 16 72 Maths 7 28 15 60 18 80 Grand Total 27 108 47 188 46 208

## JEE Advanced 2015 Question Paper Subject Wise Analysis

• The physics questions were from moderate to difficult level.
• The questions were designed to test the math skill of the student rather than testing the conceptual clarity.
• The Physics part was more focused on the Class XII syllabus.
• Questions were asked from almost all chapters with more weightage to Modern Physics, Electrostatics & Magnetism, Ray Optics, Error & Dimensional Analysis.
 Topic wise Question Breakup in Physics Topics No of Questions Weightage of Marks Electrodynamics 9 21.40% Capacitance 1 2.40% Current Electricity 2 4.80% Electro Magnetic Field 3 7.10% Electrostatics 3 7.10% Heat & Thermodynamics 3 7.10% Heat Transfer 1 2.40% KTG & Thermodynamics 2 4.80% Mechanics 13 33.30% Elasticity & Viscosity 2 4.80% Error in Measurement 2 4.80% Fluid Mechanics & Properties of Matter 1 2.40% Gravitation 2 4.80% Rigid Body Dynamics 3 7.10% Unit & Dimension 2 4.80% Work, Power & Energy 1 4.80% Modern Physics 7 19.00% Atomic Physics 2 4.80% Bohr Model 1 2.40% Nuclear Physics 3 10% Photoelectric Effect 1 2.40% Optics 6 14.30% Geometrical Optics & Physical Optics 5 11.90% Wave Optics 1 2.40% SHM & Waves 2 4.80% SHM 2 4.80%

• Chemistry section in paper I and paper II were on a moderate level.
• Some of the questions seemed to be a bit tricky and needed extra time to solve them.
• Organic and inorganic chemistry were on a medium level but few difficult questions were asked from Physical part.
 Topic-wise Question Breakup in Chemistry Topics No of Questions Weightage of Marks Inorganic Chemistry-I 6 14.30% Chemical Bonding 4 9.50% p-block 2 4.80% Inorganic Chemistry-II 9 23.80% Coordination Compounds 4 9.50% d-block & f-block Elements 2 4.80% Metallurgy 2 7.10% Qualitative Analysis 1 2.40% Organic Chemistry-I 1 2.40% General Organic Chemistry- II 1 2.40% Organic Chemistry-II 13 31.00% Amine 1 2.40% Aromatic Compounds 4 9.50% Biomolecules 1 2.40% Carbonyl compounds 1 2.40% Grignard Reagent, Reduction, Oxidation & Hydrolysis 1 2.40% Hydrocarbon (Alkane, Alkene & Alkyne) 3 7.10% Practical Organic Chemistry 1 2.40% Stereoisomerism 1 2.40% Physical Chemistry-I 5 14.30% Atomic Structure & Nuclear Chemistry 1 2.40% Chemical Equilibrium 1 2.40% Ionic Equilibrium 1 2.40% Thermodynamics and Thermochemistry 2 7.10% Physical Chemistry-II 6 14.30% Chemical Kinetics 2 4.80% Electrochemistry 2 4.80% Solid State 1 2.40% Surface Chemistry 1 2.40%

• Mathematics part in Paper I and II consisted of questions from easy to difficult level.
• Some of the questions required longer calculations.
• The Matrix Match type questions included concepts from various areas.
• Some of the major questions were asked from Algebra, Calculus, Vector Algebra, 3-D, Coordinate Geometry.
 Topic-wise Question Breakup in Chemistry Topics No of Questions Weightage of Marks Algebra 4 9.50% Vector 4 9.50% Binomial Theorem 1 2.40% Complex Numbers 1 2.40% Coordinate Geometry 6 14% Ellipse 2 4.80% Hyperbola 1 2.40% Parabola 3 7.10% Differential Calculus 8 19.00% Application of Derivatives 3 7.10% Functions 2 4.80% Limit, Continuity & Differentiability 3 7.10% Integral Calculus 8 19.00% Area under curve 1 2.40% Definite integration 5 11.90% Differential Equation 2 4.80% Matrix & Determinants 2 4.80% Permutation & Combination 1 2.40% Probability 3 7.10% Quadratic Equation 1 2.40% Sequence & Series 2 7.10% Trigonometry 3 9.50% Inverse Trigonometric function 1 2.40% Solution of Triangle 1 4.80%