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IIT JEE 2012 Paper
Exam Conducting Body IIT Delhi
Exam Date 8th March, 2012
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 Questions 120 (20 Qs per Subject per Paper)
Total Marks 408 Marks (Paper-1: 210 and Paper-2: 198)
Question Types
MCQs, Numerical Problems, Comprehension, Match the
Column
IIT JEE 2012 Paper Marking SchemeThe marking scheme that was followed in Paper I was in the following manner for each Subject:
Paper I
Sections Question Pattern Marking Scheme No. of Q. Total Marks
1 Single Answer Type
+3 for correct, -1
Negative Marking
10 30
2
Multiple Answer
Type
+4 for Correct, No
Negative Marking
5 20
3 Single Integer Type
+4 for Correct, No
Negative Marking
5 20
IIT JEE 2012 Paper Marking SchemePaper II marking scheme was as follows for each Subject:
Paper II
Sections Question Pattern Marking Scheme No. of Q. Total Marks
1
Single Correct
Answer Type MCQ
+3 for correct, -1 for
wrong answer
8 24
2 Paragraph Type MCQ
+3 for correct, -1 for
wrong answer
6 18
3
Multiple Answer
Type MCQ
+4 for Correct, No
Negative Marking
6 24
IIT JEE 2012: Expert’s Viewpoint
The two papers were set in the following manner in terms of difficulty level:
Subjects Difficulty Level
Physics Physics was moderately difficult with few calculation based questions.
Chemistry This section was from easy to moderate level.
Maths The Mathematics section was tricky and lengthy.
Overall No major errors, irregularities or confusions were seen in the question paper.
IIT JEE 2012 Paper: Distribution of Questions
Subject Class 11 Class 12 Total
No of
Questions
Total Marks No of Questions Total Marks
No of
Questions
Total Marks
Chemistry13 44 27 92 40 136
Mathematics14 46 26 90 40 136
Physics16 52 24 84 40 136
Grand Total43 142 77 266 120 408
The questions in both Paper I and Paper II were distributed in the following manner:
IIT JEE 2012 Overall Difficulty Analysis
Subject
Easy Moderate Tough
No. of
Questions
Total Marks
No. of
Questions
Total
Marks
No. of
Questions
Total
Marks
Physics 15 47 16 58 9 31
Chemistry 8 24 20 70 12 42
Maths 9 28 18 63 13 45
Grand Total 32 99 54 191 34 118
IIT JEE 2012 Question-wise Difficulty Level
IIT JEE 2012 Marks-wise Difficulty Level
IIT JEE 2012 Paper Analysis: Physics
● Physics section was on a moderate level even though a few questions involved tedious calculations.
● Majority of the questions involved integration of concepts across the topics.
● Physics section in paper 2 was more difficult than paper 1. There was some ambiguity in the questions asked.
● In general, comprehension based questions were on the difficult side.
Subject
Class 11 Class 12 Total
No. of
Questions
Total
Marks
No. of
Questions
Total
Marks
Total
Questions
Total
Marks
Physics16 52 24 84 40 136
Topic wise Question Breakup in Physics
Topics No of Questions Weightage of Marks
Rotation (Rigid Body Dynamics)7 17.6%
Electromagnetic Field5 13.2%
Electrostatics4 11.0%
Geometrical Optics3 6.6 %
Modern Physics2 5.1%
Sound Waves2 5.1%
Modern Physics2 4.4%
Kinetic Theory of Gases2 4.4%
Circular Motion2 4.4%
Current Electricity1 2.9%
Topic wise Question Breakup in Physics
Topics No of Questions Weightage of Marks
Gravitation 12.9%
Electromagnetic Induction 12.9%
Alternating Current 12.9%
Friction 12.9%
Simple Harmonic Motion 1 2.2%
Wave Optics 1 2.2%
Capacitance 1 2.2%
Fluids 1 2.2%
Experiments & Error Analysis 1 2.2%
Heat Transfer 1 2.2%
IIT JEE 2012 Paper Analysis: Physics Section
IIT JEE 2012 Paper Analysis: Chemistry
● Chemistry section contained questions that were of moderate difficulty level.
● Greater emphasis was given to Physical and Organic Chemistry portions.
● Very fewer questions were asked from Inorganic Chemistry.
● One question (Qn.22 in version 0) in paper II seemed to have an improbable answer.
Subject
Class 11 Class 12 Total
No. of
Questions
Total Marks
No. of
Questions
Total Marks
Total
Questions
Total Marks
Chemistry13 44 27 92 40 136
Topic wise Question Breakup in Chemistry
Topics No of Questions Weightage of Marks
Carbonyl Compound4 8.8%
P-Block Elements3 7.4%
Biomolecules2 5.9%
Thermodynamics2 5.9%
Surface Chemistry2 5.9%
Qualitative Analysis2 5.9%
POC -1 & Structural Identification2 5.1%
Atomic Structure & Nuclear Chemistry2 5.1%
Mole Concepts 12 5.1%
Chemical Bonding2 4.4%
Coordination Compound2 4.4%
Electrochemistry2 4.4%
Topic wise Question Breakup in Chemistry
Topics No of Questions Weightage of Marks
Chemical Kinetics 1 2.9%
Aromatic Compounds 1 2.9%
Oxidation Reduction 1 2.9%
Isomerism 1 2.9%
Thermochemistry 1 2.2%
Solid State 1 2.2%
Mole Concepts 2 1 2.2%
Colligative Properties 1 2.2%
Metallurgy 1 2.2%
Gaseous State 1 2.2%
D-Block Elements 1 2.2%
Carboxylic Acid & Derivatives 1 2.2%
IIT JEE 2012 Paper Analysis: Chemistry Section
IIT JEE 2012 Paper Analysis: Maths Section
● Mathematics was a moderately difficult section.
● There were direct questions that required both algebraic manipulations and in-depth subject knowledge.
● Some tricky questions were also present. They were also time consuming.
● Important topics included Calculus, Algebra and Coordinate Geometry.
Subject
Class 11 Class 12 Total
No. of
Questions
Total Marks
No. of
Questions
Total Marks
Total
Questions
Total Marks
Maths14 46 26 90 40 136
Topic wise Question Breakup in Maths
Topics No of Questions Weightage of Marks
Definite Integration 4 9.6%
Application of Derivatives 3 8.8%
Probability 3 8.1%
3D Geometry 3 7.4%
Matrices & Determinant 3 7.4%
Permutation & Combination 3 6.6%
Circle 3 6.6%
Continuity & Derivability 2 5.1%
Vector 2 5.1%
Functions 2 5.1%
Topic wise Question Breakup in Maths
Topics No of Questions Weightage of Marks
Limits 2 4.4%
Trigonometric Equations1 2.9%
Differential Equations1 2.9%
Parabola1 2.9%
Fundamentals of Mathematics1 2.9%
Hyperbola1 2.9%
Indefinite Integration1 2.2%
Complex Number1 2.2%
Ellipse1 2.2%
Properties of Triangle1 2.2%
Sequence and Progression1 2.2%
IIT JEE 2012 Paper Analysis: Maths Section
Important Topics Asked in IIT JEE 2012 Paper: Physics
❏ Kinetic Theory of Gases
❏ Circular Motion
❏ Gravitation
❏ Alternating Current
❏ Simple Harmonic Motion
❏ Wave Optics
❏ Capacitance
❏ Rotation (Rigid Body Dynamics)
❏ Electromagnetic Field
❏ Electrostatics
❏ Geometrical Optics
❏ Modern Physics
❏ Sound Waves
❏ Modern Physics
Chemistry
❏ Atomic Structure & Nuclear Chemistry
❏ Mole Concepts 1
❏ Chemical Bonding
❏ Coordination Compound
❏ Electrochemistry
❏ Isomerism
❏ Metallurgy
❏ Carbonyl Compound
❏ P-Block Elements
❏ Biomolecules
❏ Thermodynamics
❏ Surface Chemistry
❏ Qualitative Analysis
❏ POC -1 & Structural Identification
Maths
❏ Continuity & Derivability
❏ Vector
❏ Functions
❏ Hyperbola
❏ Indefinite Integration
❏ Complex Number
❏ Ellipse
❏ Definite Integration
❏ Application of Derivatives
❏ Probability
❏ 3D Geometry
❏ Matrices & Determinant
❏ Permutation & Combination
❏ Circle
IIT JEE 2012 CutoffCategory
MQMRAggregate
cut-offChemistry Physics Mathematics
GE 20 20 34 229
OBC 18 18 31 207
SC 10 10 17 119
ST 10 10 17 115
PD 10 10 17 11
IIT JEE 2012 board also officially announced that the IIT JEE 2012 cutoff will be as per given below:
● IIT JEE 2012 overall cutoff for General Category of Students will be 35 % and Subject-wise IIT JEE 2012 cut off
will be 10%.
● IIT JEE 2012 overall cutoff for OBC category of students will be 31.5% and subject-wise Cutoff will be 9%.
● IIT JEE 2012 overall cutoff for SC and ST students will be 17.5% and subjective Cut off 5%.
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