Paper 1 of IIT-JEE 2008 consisted of 69 questions with total marks of 246.
The difficulty level of the three subjects in the decreasing order was Mathematics, Physics and Chemistry.
The questions in Mathematics required long steps to finally arrive at the answer. The difficulty was compounded because of the larger than usual share of questions (28%) in Coordinate Geometry that required – again – larger than usual steps to solve. The Comprehension Type questions were based on the application side of Complex Numbers, Integral Calculus and Coordinate Geometry. System of Equations commanded three Assertion Reasoning Type Questions.
In Physics, questions were almost uniformly distributed among all areas other than Electrostatics, EMI and AC. The easiest type of questions in Paper 1 were the Assertion-Reasoning type as none of them involved calculations by only clarity of the concepts being discussed. 12 Marks could be easily scored in this area. From the Straight Answer type questions, three were easily solvable. The Linked Comprehension type questions posed maximum difficulty because of the lengthy expressions and interconnectivity. The representation of Modern Physics was relatively higher in Paper 1 when compared to the importance given to the topic in the previous years.
The questions in Physical Chemistry – the ones students usually pick up first to solve – were tougher than usual. Some of the questions in the numericals were presented with a twist with the obvious intention of confusing the students. Instead of moles if the student were to take equivalents, the answer would be wrong, but was present among the choices.
But relatively Chemistry was the consolation part among the three Papers. States of Matter, Dilute Solutions, Kinetics, and Nuclear Chemistry were adequately represented. Atomic Structure, Electrochemistry, Solid State were not among the questions here. So the students would look forward to these in Paper 2 as these are important areas.
Test Pattern Analysis, Key and Solutions
Paper 2 of IIT-JEE 2008 consisted of 66 questions with total marks of 243
The difficulty level of the three subjects in Paper 2 in the decreasing order was Mathematics, Physics and Chemistry
The concepts of EMI and AC were expected to appear in Paper 2, but did not show up in any question. In Paper 2 also Assertion Reasoning type questions followed by the Straight Objective type questions were the ones to go after for faster scoring.
12 and 15 marks respectively were definitely scorable from these two sections. The Linked Comprehension questions posed good challenge for the students as it involved more than one concept. Among the three questions in matrix-match type, one was definitely solvable completely under exam conditions and another was definitely a huge task to solve. The general level of difficulty of both the papers was at par. The strong focus is again on the strong grip on the concepts rather than on numerical problem solving
Mathematics part of Paper 2 gave equal importance to Algebra, Vectors, 3D and Matrices, Coordinate Geometry, Differential Calculus and Integral Calculus. The share of Trigonometry was very less. Questions involving System of Equations were linked with 3 D Geometry. One Matrix-Match type question involved concepts from more than one area. Extremum, Symmetricity of Matrices, Logarithm and Trigonometric Equations all found presence in one question worth 6 marks. A lot of importance has been given to geometrical interpretations. Integral Calculus had more representation this year compared to IIT-JEE 2007.
F Block elements that were not represented in Paper 1 were again conspicuous by its absence in Paper 2 as well. In Chemistry, all the important areas of Physical Chemistry that were left out in Paper 1 found mention in Paper 2 except some basic concepts of Physical Chemistry. In one of the questions relating to Dilute solutions a condition was given as "mixture of two liquids where one non-volatile" but this condition is unrealistic but had to be considered while considering the Linked Comprehension type. Here again, if a student were to go without taking care of the condition the answer arrived was mentioned among the choices - a very clear attempt at confusing the student.
Here, we present the distribution of marks among various topics within the subject. The following tables and pie-charts will help you to understand the relative importance of the various subject areas in this years’ IIT-JEE.
Also we are presenting an overall EMD Analysis – Easy, Medium, Difficult Analysis. The definitions of Easy, Medium and Difficult are given below. You will find that even if you were not able to solve some of Difficult Questions, it would still leave you enough scope to score a net score to get a very good All India Rank.
EASY:- Easy Questions are defined as those questions that can be answered by a student who knows the concept under question. It is a direct application of the concept. A student is expected to have attempted all the EASY Category Questions.
MEDIUM:- Medium Difficulty Questions are those questions that may involve more than one concept. A well-prepared student should be able to identify at least 75% of these and solve them correctly
DIFFICULT:- Difficult Questions are those Questions are those will definitely involve multiple concepts and are tricky. The students may be led to think away from the ideal method of problem solving. It will require good effort even from the well-prepared student to identify the difficult ones and categorize them accordingly.
Resource Taken From Technical Education in india
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