Monday, December 26, 2011

CSIR-JRF-NET December – 2011

Code – B
ANSWER KEY
PART – A
Q1. Magnesium powder, placed in an air- tight glass container at ......
Answer : 4. 0.8 bar
Q2. Living beings get energy from food ......
Answer : 3. oxygen
Q3. In Δ ABC, angle A is larger than angle C and ......
Answer : 2. 53°
Q4. Which of the following statements about ......
Answer : 3. it has steadily increased since the formation ......
Q5. See the following mathematical ......
Answer : 4. (iv) to (v)
Q6. The Number of craters observed due to meteoritic impacts ......
Answer : 4. earlier craters are not preserved .....
Q7. What is the angle θ in the quadrant of a ......
Answer : 1. 135°
Q8. During a total solar eclipse occurring at ......
Answer : 1. on the following night only
Q9. A cupboard is filled with a large number of balls of 6 different ......
Answer : 4. 6
Q10. The variation of solubilities of two compounds ......
Answer : 3. solubility of X and Y are the same at 75°C
Q11. Restriction endonuclease cleaves DNA molecules at ......
Answer : 1. 4
Q12. A solid cube of side L floats on water with 20% of its volume ......
Answer : 1. 4
Q13. Inner planets of the solar system are rocky, whereas outer ......
Answer : 1. solar heat drove away the ............
Q14. On exposure to desiccation, which of the following ......
Answer : 4. Cocci in clusters
Q15. A bell is rung before giving food to a dog. After doing this ......
Answer : 2. the dog salivates on hearing the bell
Q16. When a magnet is made to fall free in air it falls ......
Answer : 1. a part of the gravitational potential .....
Q17. For an elastic material, strain is proportional to stress ......
Answer : 1.
Q18. The conductance of a potassium chloride solution is ......
Answer : 2. 0.5
Q1 9 . An overweight person runs 4 km everyday as an ......
Answer : 3. 20 % less
Q20. What is the half-life of the radio isotope ......
Answer : 1. 1 day

Monday, October 31, 2011

National Board for Higher Mathematics (NBHM) PhD scholarships for 2012-2013

 The advertisment for PhD scholarships for 2012-2013 is available here
The National Board for Higher Mathematics (NBHM) was set up by the Government of India under the Department of Atomic Energy (DAE), in the year 1983, to foster the development of higher mathematics in the country, to formulate policies for the development of mathematics, help in the establishment and development of mathematical centres and give financial assistance to research projects and to doctoral and postdoctoral scholars. NBHM functions essentially autonomously framing its own budget taking into account the funds made available by DAE.

Wednesday, September 21, 2011

Graduate Aptitude Test in Engineering - GATE 2012


Graduate Aptitude Test in Engineering - GATE 2012
  Date of Online Examination: 29-01-2012 (Sunday)          Date of Offline Examination: 12-02-2012 (Sunday)
Graduate Aptitude Test in Engineering (GATE) is an all India examination administered and conducted jointly by the Indian Institute of Science and seven Indian Institutes of Technology on behalf of the National Coordination Board - GATE, Department of Higher Education, Ministry of Human Resource Development (MHRD), Government of India.
The GATE committee, which comprises of representatives from the administering institutes, is the sole authority for regulating the examination and declaring the results.

GATE is conducted through the constitution of eight zones. The zones and the corresponding administrative institutes are:

      Zone-1: Indian Institute of Science        Bengaluru
      Zone-2: Indian Institute of Technology Bombay
      Zone-3: Indian Institute of Technology Delhi
      Zone-4: Indian Institute of Technology Guwahati
      Zone-5: Indian Institute of Technology Kanpur
      Zone-6: Indian Institute of Technology Kharagpur 
      Zone-7: Indian Institute of Technology Madras 
      Zone-8: Indian Institute of Technology Roorkee

Wednesday, June 29, 2011

Friday, January 7, 2011

Pattern Syllabus w.e.f June 2011

CSIR-UGC (NET) EXAM FOR AWARD OF JUNIOR RESEARCH FELLOWSHIP AND ELIGIBILITY FOR LECTURERSHIP

MATHEMATICAL SCIENCES
EXAM SCHEME
TIME: 3 HOURS                                         MAXIMUM MARKS: 200

From June, 2011 CSIR-UGC (NET) Exam for Award of Junior Research Fellowship and Eligibility for Lecturership shall be a Single Paper Test having Multiple Choice Questions (MCQs). The question paper shall be divided in three parts.
Part 'A' 
                This part shall carry 20 questions pertaining to General Science, Quantitative Reasoning & Analysis and Research Aptitude. The candidates shall be required to answer any 15 questions. Each question shall be of two marks. The total marks allocated to this section shall be 30 out of 200.

Part 'B'
                This part shall contain 40 Multiple Choice Questions (MCQs) generally covering the topics given in the syllabus. A candidate shall be required to answer any 25 questions. Each question shall be of three marks. The total marks allocated to this section shall be 75 out of 200.

Part 'C'
                This part shall contain 60 questions that are designed to test a candidate's knowledge of scientific concepts and/or application of the scientific concepts. The questions shall be of analytical nature where a candidate is expected to apply the scientific knowledge to arrive at the solution to the given scientific problem. The questions in this part shall have multiple correct options. Credit in a question shall be given only on identification of ALL the correct options. No credit shall be allowed in a question if any incorrect option is marked as correct answer. No partial credit is allowed. A candidate shall be required to answer any 20 questions. Each question shall be of 4.75 marks. The total marks allocated to this section shall be 95 out of 200.

·                      For Part ‘A’ and ‘B’ there will be Negative marking @25% for each wrong answer. No Negative marking for Part ‘C’.

·                      To enable the candidates to go through the questions, the question paper booklet shall be distributed 15 minutes before the scheduled time of the exam. The Answer sheet shall be distributed at the scheduled time of the exam.

·                       On completion of the exam i.e. at the scheduled closing time of the exam, the candidates shall be allowed to carry the Question Paper Booklet. No candidate is allowed to carry the Question Paper Booklet in case he/she chooses to leave the test before the scheduled closing time.

·                       Model Question Paper shall be released at the time of Notification for June 2011 exam

CSIR-UGC National Eligibility Test (NET) for Junior Research
Fellowship and Lecturer-ship
MATHEMATICAL SCIENCES
UNIT – 1
Analysis: Elementary set theory, finite, countable and uncountable sets, Real number
system as a complete ordered field, Archimedean property, supremum, infimum.
Sequences and series, convergence, limsup, liminf.
Bolzano Weierstrass theorem, Heine Borel theorem.
Continuity, uniform continuity, differentiability, mean value theorem.
Sequences and series of functions, uniform convergence.
Riemann sums and Riemann integral, Improper Integrals.
Monotonic functions, types of discontinuity, functions of bounded variation, Lebesgue
measure, Lebesgue integral.
Functions of several variables, directional derivative, partial derivative, derivative as a
linear transformation, inverse and implicit function theorems.
Metric spaces, compactness, connectedness. Normed linear Spaces. Spaces of continuous
functions as examples.
Linear Algebra: Vector spaces, subspaces, linear dependence, basis, dimension, algebra
of linear transformations.
Algebra of matrices, rank and determinant of matrices, linear equations.
Eigenvalues and eigenvectors, Cayley-Hamilton theorem.
Matrix representation of linear transformations. Change of basis, canonical forms,
diagonal forms, triangular forms, Jordan forms.
Inner product spaces, orthonormal basis.
Quadratic forms, reduction and classification of quadratic forms
UNIT – 2
Complex Analysis: Algebra of complex numbers, the complex plane, polynomials, power series, transcendental functions such as exponential, trigonometric and hyperbolic functions.
Analytic functions, Cauchy-Riemann equations.
Contour integral, Cauchy’s theorem, Cauchy’s integral formula, Liouville’s theorem, Maximum modulus principle, Schwarz lemma, Open mapping theorem.
Taylor series, Laurent series, calculus of residues.
Conformal mappings, Mobius transformations.
Algebra: Permutations, combinations, pigeon-hole principle, inclusion-exclusion principle, derangements.
Fundamental theorem of arithmetic, divisibility in Z, congruences, Chinese Remainder Theorem, Euler’s Ø- function, primitive roots.
Groups, subgroups, normal subgroups, quotient groups, homomorphisms, cyclic groups, permutation groups, Cayley’s theorem, class equations, Sylow theorems.
Rings, ideals, prime and maximal ideals, quotient rings, unique factorization domain, principal ideal domain, Euclidean domain.
Polynomial rings and irreducibility criteria.
Fields, finite fields, field extensions, Galois Theory.
Topology: basis, dense sets, subspace and product topology, separation axioms, connectedness and compactness.
UNIT – 3
Ordinary Differential Equations (ODEs):
Existence and uniqueness of solutions of initial value problems for first order ordinary differential equations, singular solutions of first order ODEs, system of first order ODEs.
General theory of homogenous and non-homogeneous linear ODEs, variation of parameters, Sturm-Liouville boundary value problem, Green’s function.
Partial Differential Equations (PDEs):
Lagrange and Charpit methods for solving first order PDEs, Cauchy problem for first order PDEs.
Classification of second order PDEs, General solution of higher order PDEs with constant coefficients, Method of separation of variables for Laplace, Heat and Wave equations.
Numerical Analysis :
Numerical solutions of algebraic equations, Method of iteration and Newton-Raphson method, Rate of convergence, Solution of systems of linear algebraic equations using Gauss elimination and Gauss-Seidel methods, Finite differences, Lagrange, Hermite and spline interpolation, Numerical differentiation and integration, Numerical solutions of ODEs using Picard, Euler, modified Euler and Runge-Kutta methods.
Calculus of Variations:
Variation of a functional, Euler-Lagrange equation, Necessary and sufficient conditions for extrema. Variational methods for boundary value problems in ordinary and partial differential equations.
Linear Integral Equations:
Linear integral equation of the first and second kind of Fredholm and Volterra type, Solutions with separable kernels. Characteristic numbers and eigenfunctions, resolvent kernel.
Classical Mechanics:
Generalized coordinates, Lagrange’s equations, Hamilton’s canonical equations, Hamilton’s principle and principle of least action, Two-dimensional motion of rigid bodies, Euler’s dynamical equations for the motion of a rigid body about an axis, theory of small oscillations.
UNIT – 4
Descriptive statistics, exploratory data analysis
Sample space, discrete probability, independent events, Bayes theorem. Random variables and distribution functions (univariate and multivariate); expectation and moments. Independent random variables, marginal and conditional distributions. Characteristic functions. Probability inequalities (Tchebyshef, Markov, Jensen). Modes of convergence, weak and strong laws of large numbers, Central Limit theorems (i.i.d. case).
Markov chains with finite and countable state space, classification of states, limiting behaviour of n-step transition probabilities, stationary distribution, Poisson and birth-and-death processes.
Standard discrete and continuous univariate distributions. sampling distributions, standard errors and asymptotic distributions, distribution of order statistics and range.
Methods of estimation, properties of estimators, confidence intervals. Tests of hypotheses: most powerful and uniformly most powerful tests, likelihood ratio tests. Analysis of discrete data and chi-square test of goodness of fit. Large sample tests.
Simple nonparametric tests for one and two sample problems, rank correlation and test for independence. Elementary Bayesian inference.
Gauss-Markov models, estimability of parameters, best linear unbiased estimators, confidence intervals, tests for linear hypotheses. Analysis of variance and covariance. Fixed, random and mixed effects models. Simple and multiple linear regression. Elementary regression diagnostics. Logistic regression.
Multivariate normal distribution, Wishart distribution and their properties. Distribution of quadratic forms. Inference for parameters, partial and multiple correlation coefficients and related tests. Data reduction techniques: Principle component analysis, Discriminant analysis, Cluster analysis, Canonical correlation.
Simple random sampling, stratified sampling and systematic sampling. Probability proportional to size sampling. Ratio and regression methods.
Completely randomized designs, randomized block designs and Latin-square designs. Connectedness and orthogonality of block designs, BIBD. 2K factorial experiments: confounding and construction.
Hazard function and failure rates, censoring and life testing, series and parallel systems.
Linear programming problem, simplex methods, duality. Elementary queuing and inventory models. Steady-state solutions of Markovian queuing models: M/M/1, M/M/1 with limited waiting space, M/M/C, M/M/C with limited waiting space, M/G/1.


Note:
All students are expected to answer questions from Unit I. Students with M.sc. in 
mathematics are expected to answer additional question from Unit II and III.  
Students with M.sc. in statistics are expected to answer additional question from 
Unit IV


You Can Search Here