# NDA-2 2023 - Subject Wise Weightage, Exam Pattern & Syllabus

25-May 2023...........

Union Public Service Commission has released notification for NDA- 2 2023 on 17th May and NDA- 2 2023 exam is scheduled to take place on 3rd September 2023. It will be prudent to analyze and subject-wise weightage, exam pattern, and syllabus of the NDA exam. The syllabus and exam pattern are two foundations of any exam and without understanding these two basic parts of the NDA exam, it is nearly impossible to qualify for this exam. In this article, we going to tell you everything about the NDA-2 2023 - Subject Wise Weightage, Exam Pattern, and Syllabus. Subject-wise weightage will cover the topics which are asked most frequently in the NDA exam. In the exam pattern, we will discuss the number of questions, marks, and about the negative marking.

The NDA (National Defence Academy) exam is a highly competitive entrance exam conducted by the Union Public Service Commission (UPSC) of India for candidates who wish to join the Indian Army, Navy, or Air Force as an officer. Any male and female intermediate passed/appearing candidates can apply for this exam after successfully meeting the eligibility criteria. It is a two-stage selection process that includes a written exam and an SSB (Service Selection Board) interview. Candidates who qualify for the written exam are called for the SSB interview, which is a five-day selection process. It includes various tests like OIR, Psychological Tests, GTO, Interviews, and Conferences.

## Chapter Wise Weightage in the NDA Exam

 Chapter Wise Weightage in Maths Paper in the NDA Exam Algebra and Vector Algebra 40% Trigonometry 20% Determinants and Matrices 10% Statistics and Probability 10% Analytical Geometry 20% Differential and Integral Calculus 20%

Chapter-wise Weightage in GAT NDA Exam

Chapter Wise Weightage in English

 English Topics Weightage Spotting Errors 3.33% Comprehension 4% Selecting Words 6.66% Ordering of Words in a Sentence 6% Sentence Improvement 6.66% Antonyms 3.33% Synonyms 3.33%

## Chapter Wise Weightage in  General Studies

 General Studies Topics Chapter Wise Weightage Physics 15.33% Chemistry 10.66% General Science 7.33% History & Freedom Movement 10.66% Geography 11.33% Current Events 11.33%

## NDA- 2 2023 Exam Pattern

 NDA Written Exam Pattern Particulars Details Papers Mathematics GAT(General Aptitude Test) Total Questions Mathematics- 120 GAT-150 Total Marks Mathematics- 300 GAT- 600 Total- 900 Time Duration Mathematics- 2.5 Hours or 150 Minutes GAT- 2.5 Hours or 150 Minutes SSB Interview 900 Marks

## NDA-2 2023 Exam Syllabus

 NDA Mathematics Syllabus Sections Syllabus ALGEBRA Concept of set, operations on sets, Venn diagrams.De Morgan laws, Cartesian product, relation, equivalence relation. Representation of real numbers on a line. Complex numbers—basic properties, modulus, argument, cube roots of unity. Binary system of numbers. Conversion of a number in a decimal system to a binary system and vice-versa. Arithmetic, Geometric and Harmonic progressions. Quadratic equations with real coefficients. Solution of linear inequalities of two variables by graphs. Permutation and Combination. Binomial theorem and its applications. Logarithms and their applications. MATRICES AND DETERMINANTS Types of matrices, operations on matrices. Determinant of a matrix, basic properties of determinants. Adjoint and inverse of a square matrix, Applications- Solution of a system of linear equations in two or three unknowns by Cramer’s rule and by Matrix Method. TRIGONOMETRY Angles and their measures in degrees and in radians. Trigonometric ratios. Trigonometric identities Sum and difference formulae. Multiple and Sub-multiple angles. Inverse trigonometric functions. Applications-Height and distance, properties of triangles. ANALYTICAL GEOMETRY OF TWO AND THREE DIMENSIONS Rectangular Cartesian Coordinate system. Distance formula. Equation of a line in various forms. The angle between two lines. Distance of a point from a line. Equation of a circle in standard and a general form. Standard forms of parabola, ellipse, and hyperbola. Eccentricity and axis of a conic. Point in a three-dimensional space, the distance between two points. Direction Cosines and direction ratios. Equation two points. Direction Cosines and direction ratios. Equation of a plane and a line in various forms. The angle between two lines and the angle between two planes. Equation of a sphere. DIFFERENTIAL CALCULUS Concept of a real-valued function–domain, range, and graph of a function. Composite functions, one-to-one, onto, and inverse functions. The notion of limit, Standard limits—examples. Continuity of functions—examples, algebraic operations on continuous functions. Derivative of function at a point, geometrical and physical interpretation of a derivative—applications. Derivatives of sum, product, and quotient of functions, the derivative of a function with respect to another function, derivative of a composite function. Second-order derivatives. Increasing and decreasing functions. Application of derivatives in problems of maxima and minima. INTEGRAL CALCULUS AND DIFFERENTIAL EQUATIONS Integration as inverse of differentiation, integration by substitution and by parts, standard integrals involving algebraic expressions, trigonometric, exponential, and hyperbolic functions. Evaluation of definite integrals—determination of areas of plane regions bounded by curves—applications. Definition of order and degree of a differential equation, formation of a differential equation by examples. General and particular solutions of differential equations, solutions of the first order, and first-degree differential equations of various types—examples. Application in problems of growth and decay. VECTOR ALGEBRA Vectors in two and three dimensions, magnitude, and the direction of a vector. Unit and null vectors, the addition of vectors, scalar multiplication of a vector, scalar product, or dot product of two vectors. Vector product or cross product of two vectors. Applications—work done by a force and moment of a force and in geometrical problems. STATISTICS AND PROBABILITY Statistics: Classification of data, Frequency distribution, cumulative frequency distribution—examples. Graphical representation—Histogram, Pie Chart, frequency polygon—examples. Measures of Central tendency—Mean, median, and mode. Variance and standard deviation—determination and comparison. Correlation and regression. Probability: Random experiment, outcomes, and associated sample space, events, mutually exclusive and exhaustive events, impossible and certain events. Union and Intersection of Events. Complementary, elementary, and composite events. Definition of probability—classical and statistical—examples. Elementary theorems on probability—simple problems. Conditional probability, Bayes’ theorem—simple problems. Random variable as function on a sample space. Binomial distribution, examples of random experiments giving rise to Binomial distribution.

 NDA General Ability Test Paper Syllabus Parts Sections Part (A)- English Grammar & usage, Comprehension & cohesion, Spotting of errors, Para Jumbling, Fill in the blanks, Synonyms & Antonyms, Vocabulary, Cloze Test, Idioms & Proverbs, Completion of Sentence & Para, Sentence Correction & Improvement. Part (B)- General Knowledge Physics Physical Properties and States of Matter, Mass, Weight, Volume, Density and Specific Gravity, Principle of Archimedes, Pressure Barometer. Motion of objects, Velocity, and Acceleration, Newton’s Laws of Motion, Force and Momentum, Parallelogram of Forces, Stability and Equilibrium of bodies, Gravitation, elementary ideas of work, Power and Energy. Effects of Heat, Measurement of Temperature and Heat, change of State and Latent Heat, Modes of Transference of Heat. Sound waves and their properties, Simple musical instruments. Rectilinear propagation of Light, Reflection, and refraction. Spherical Mirrors and Lenses, Human Eye. Natural and Artificial Magnets, Properties of a Magnet, Earth as a Magnet.Static and Current Electricity, conductors and Nonconductors, Ohm’s Law, Simple Electrical Circuits, Heating, Lighting and Magnetic effects of Current, Measurement of Electrical Power, Primary and Secondary Cells, and Use of X-Rays.General Principles in the working of the following: Simple Pendulum, Simple Pulleys, Siphon, Levers, Balloon, Pumps, Hydrometer, Pressure Cooker, Thermos Flask, Gramophone, Telegraphs, Telephone, Periscope, Telescope, Microscope, Mariner’s Compass; Lightning Conductors, Safety Fuses. Chemistry Physical and Chemical changes. Elements, Mixtures and Compounds, Symbols, Formulae, Simple Chemical Equations, Law of Chemical Combination (excluding problems). Properties of Air and Water.Preparation and Properties of Hydrogen, Oxygen, Nitrogen, and Carbon Dioxide, Oxidation, and Reduction. Acids, bases, and salts. Carbon—different forms. Fertilizers—Natural and Artificial. The material used in the preparation of substances like Soap, Glass, Ink, Paper, Cement, Paints, Safety Matches, and Gun-Powder. Elementary ideas about the structure of Atoms, Atomic Equivalent and Molecular Weights, and Valency. Biology Difference between the living and nonliving. Basis of Life—Cells, Protoplasms, and Tissues. Growth and Reproduction in Plants and Animals.Elementary knowledge of the Human Body and its important organs.Common Epidemics, their causes, and prevention. Food Source of Energy for Man. Constituents of food, balanced diet. The Solar System—Meteors and Comets, Eclipses.Achievements of Eminent Scientists. History A broad survey of Indian History, with emphasis on Culture and Civilization.Freedom Movement in India. Elementary study of Indian Constitution and Administration. Elementary knowledge of Five Year Plans of India. Panchayati Raj, Co-operatives, and Community Development. Bhoodan, Sarvodaya, National Integration and Welfare State, Basic Teachings of Mahatma Gandhi.Forces shaping the modern world; Renaissance, Exploration, and Discovery; War of American Independence. French Revolution, Industrial Revolution, and Russian Revolution. Impact of Science And Technology on Society. Concept of one World, United Nations, Panchsheel, Democracy, Socialism, and Communism. Role of India in the present world. Geography The Earth, its shape and size. Latitudes and Longitudes,Concept of time. International Date Line. Movements of Earth and their effects. Origin of Earth. Rocks and their classification; Weathering—Mechanical and Chemical, Earthquakes and Volcanoes. Ocean Currents and Tides Atmosphere and its composition; Temperature and Atmospheric Pressure, Planetary Winds, Cyclones and Anticyclones; Humidity; Condensation and Precipitation; Types of Climate, Major Natural Regions of the World. Regional Geography of India—Climate, Natural vegetation. Mineral and Power resources; location and distribution of agricultural and Industrial activities. Important Sea ports and main sea, land, and air routes of India. Main items of Imports and Exports of India. Current Affairs Knowledge of Important events that have happened in India in recent years. Current important world events.Prominent personalities—both Indian and International including those connected with cultural activities and sports.

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