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IIT JEE 2012 ANALYSIS & Question Paper

Candidates can download the IIT JEE 2012 Question Paper and Complete Analysis of the paper.

Jul 4, 2014 15:33 IST
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IIT JEE 2012 ANALYSIS & Question Paper:
IIT JEE is one of the toughest examinations in the world. In the year 2012 this exam was conducted in two parts, first was PAPER-1 and second was PAPER-2. There were 20 questions of each subject in a paper and each paper consists of 60 questions in total. Paper-1 was of 210 marks and Paper-2 was of 198 marks. This whole booklet is very useful from exam point of view. This booklet consists of three different parts.

  • First part consists of the analysis of the subjects in Paper-1 and Paper-2. Analysis is very helpful in many aspects; it will help you in understanding:
  1. Importance of chapters.
  2. Type of questions asked.
  3. Trend of the papers.
  • Second part contains all the questions asked in The subject in Paper-1 and Paper-2 with the answers. This Part will help you in understanding the difficulty level of the exam.
  • Third and the last part contain the marking scheme and type of questions asked in the question paper.


QUESTIONS:

MATHEMATICS

Qu. The total number of ways in which 5 balls of different colours can be distributed among 3 persons so that each person gets at least one ball is:
(A) 75                                           (B) 150
(C) 210                                         (D) 243

Ans. (B)

Qu. The function f: [0, 3] → [1, 29], defined by f(x) = 2x3 – 15x2 + 36x + 1, is:
(A) one–one and onto                      (B) onto but not one–one
(C) one–one but not onto                 (D) neither one–one nor onto

Ans. (B)

PHYSICS

Qu. A person blows into open-end of a long pipe. As a result, a high pressure pulse of air travels down the pipe. When this pulse reaches the other end of the pipe,
(A) A high-pressure pulse starts travelling up the pipe, if the other end of the pipe is open.
(B) A low-pressure pulse starts travelling up the pipe, if the other end of the pipe is open.
(C) A low-pressure pulse starts travelling up the pipe, if the other end of the pipe is closed.
(D) A high-pressure pulse starts travelling up the pipe, if the other end of the pipe is closed.

Ans. (B, D)

Qu.
A student is performing the experiment of resonance Column. The diameter of the column tube is 4 cm. The frequency of the tuning fork is 512 Hz. The air temperature is 38°C in which the speed of sound is 336 m/s. The zero of the meter scale coincides with the top end of the Resonance Column tube. When the first resonance occurs, the reading of the water level in the column is
(A) 14.0 cm                        (B) 15.2 cm    
(C) 16.4 cm                        (D) 17.6 cm

Ans. (B)

CHEMISTRY


Qu. The carboxyl functional group (–COOH) is present in
(A) picric acid                        (B) barbituric acid
(C) Ascorbic acid                        (D) aspirin

Ans. (D)

Qu. Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?
(A) HNO3, NO, NH4Cl, N2                    (B) HNO3, NO, N2, NH4Cl
(C) HNO3, NH4Cl, NO, N2                    (D) NO, HNO3, NH4Cl, N2

Ans. (B)

 

Click here to download the Analysis and Question Paper of Mamthematics in IIT JEE 2012

Click here to download the Analysis and Question Paper of Chemistry in IIT JEE 2012

Click here to download the Analysis and Question Paper of Physics in IIT JEE 2012

 

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