Joint Entrance Examination for Lateral Entry : Exam Date, Registration, Eligibility, Syllabus, Results

Particulars 

Details

Exam Name 

West Bengal Joint Entrance for Lateral Entry (JELET)

Conducting Body

West Bengal Joint Entrance Examinations Board (WBJEEB)

Level of Examination

State Level

Mode of Application

Online

Mode of Exam

Offline (Pen-Paper Based)

Exam Duration

2 hours

Frequency of Exam

Annual or Once A Year 

Course Offered Through the Exam

Engineering/Technology/Pharmacy

Admit Card Release Date

Between 1-5 May 2025

Eligibility 

• Involves having a diploma in Engineering/Technology or having a B.Sc. 
• General Candidates having a diploma must have scored at least 45% marks (40% marks for the reserved categories).
• B. Sc holders from the general category must have 45% marks (40 % marks for the reserved category students).

Marking Scheme

• Category 1 questions are worth 1 mark each, and a ¼ mark is deducted for incorrect answers.
• Category 2 questions are worth 2 marks each, and there is no negative marking for incorrect answers.

Total Number of Questions

100

Official Website

https://wbjeeb.nic.in/jelet/ 

Event 

Date (Tentative)

Application Start Date

1st April 2025

Application Correction Window

2nd to 5th May 2025

Admit Card Release Date

5th to 10th June 2025

Exam Date

15th June 2025

Results 

August 2025

Category 

Fee

Male Candidate from the General Category

INR 500

General Female and SC/ST/OBC-A/OBC-B Male

INR 400

SC/ST/OBC-A/OBC-B Female and Third Gender

INR 300

Particulars 

Details

Language of the Question Paper

English

Marking Scheme

+1 for correct answers

-0.25 for incorrect answers

Total number of questions

100 questions

Total marks

120 marks

Duration 

2 hours 

Question Category

• Category 1- 80 questions
• Category 2- 20 questions

Topics In the Question Paper

• Mathematics
• Physics
• Chemistry
• Fundamentals of Electrical & Electronics Engineering

Units 

Topics

Units, dimensions, and measurement

• CGS, MKS, SI: Dimensions of common physical quantities, dimensional analysis. 
• Common measurement errors.
• Error, accuracy, precision, resolution, and significant figure.

Kinematics

• Speed, velocity, acceleration, uniform/non-uniform, rectilinear/ circular position/ velocity-time graph. 
• Resolution and composition of vectors, scalar multiplication of vectors.

Laws of motion

• Newton’s laws of motion. 
• Force, momentum, inertia, moment of inertia, impulse, couples, and moment. 
• Conditions of equilibrium. Conservation of momentum. Centripetal and centrifugal forces. 
• Angular displacement/ velocity/ acceleration/ momentum, torque. 
• Static and dynamic friction, angle of repose, and banking of roads.

Work, power, energy

• Definition, measures, and units. 
• Law of conservation of energy.
• Kinetic and Potential

Gravitation

• The universal law of Acceleration due to gravity and its variation on/ above/ below Earth’s surface.
• Gravitational potential energy.
• Vertical linear/ vertical circular/ projectile motion.

Elasticity

• Deforming force and restoring force, elastic, and plastic body.
• Stress-strain relationship, Hook’s law, Young’s modulus, Bulk modulus, Rigidity modulus, Poisson’s ratio, and the relation between them. 
• Elastic energy.

Surface tension

• Cohesive and adhesive forces.
• Definition, dimension, and SI unit of surface tension. 
• Surface energy. 
• Angle of contact. 
• Formation of droplets, bubbles, and their adhesion. 
• Capillarity, the shape of a liquid meniscus in a capillary tube and the rise of liquid in a capillary.
• Effect of impurity and temperature on surface tension.

Fluid Mechanics/ Hydrostatics

Thermal expansion of a solid

Transmission of heat

• Conduction, convection, radiation. 
• Thermal conductivity (formula, definition, dimensions, and SI unit).

Thermodynamics

• Thermal equilibrium, calorimetry. 
• Zeroth law of thermodynamics. Heat, work, temperature, and internal First law of thermodynamics. 
• Specific heats of gas, their relation, and their ratio.
• Isothermal, isobaric, isochoric, and adiabatic processes.

Reflection of Light

• Reflection of light in a plane.
• Formation of an image.

Refraction of light

• Refraction of light through a plane surface. 
• Laws of refraction. 
• Refractive index, its relationship with the velocity of light in different media. 
• Total internal reflection and critical angle. 
• Principle of optical fibre.

Lens

• Convex and concave lenses. Formation of an image. 
• Relation between u, v, f. Power of a lens (in different mediums). 
• Equivalent focal length & power of two thin lenses in contact.

Photoelectricity

• Photoemission & Work function. 
• Photoelectric current, its variation with intensity and frequency of incident radiation. 
• Stopping potential, Threshold frequency. 
• Concept of photon. 
• Einstein’s photoelectric principle of the solar photovoltaic cell and its uses.

Units 

Topics

Atomic Structure

• Bohr model of atom, de Broglie wave equation, Quantum numbers, Orbits and Orbitals, Aufbau principle, Pauli’s Exclusion principle, Hund’s rule of maximum multiplicity, electronic configuration of elements. 
• Definition of Atomic number, Mass number, isotopes, isotones, and isobars. 
• Concept of hybridization sp3, sp2, sp, and the shape of molecules.

Chemical Bonding

• Electrovalent, Covalent, and coordinate bonds, H-bond in HF, water, and ice. 
• Classification of solids – crystalline and amorphous. 
• Relationship between structure and properties of crystalline solids, namely ionic solids, covalent solids, and molecular solids. 
• Covalent bonds in Carbon, Silicon, and Germanium.

Acids, Bases & Salts

• Avogadro number, Mole concept, weight and volume relations. 
• Acids, Bases, and Salts (Arrhenius and Lewis concepts). 
• Acidity, basicity, neutralization reaction, and hydrolysis of Salts. Equivalent Weight of acids, bases, & salts; strength of solution- normality, molarity, molality, formality and percentage strength, standard solution- primary and secondary standards, concept of pH, and pH scale. 
• Indicators and choice of indicator, principles of acidimetry and alkalimetry. 
• Buffer Solubility Product Principle. 
• Common ion effect in group analysis.

Oxidation, Reduction, Electrochemistry

• Oxidation and Reduction by the electronic concept, balancing chemical equations by the ion-electron method. 
• Redox Titration, Electrolysis, Arrhenius theory, Faraday’s Laws, electrolysis of CuSO4 solution using Pt-electrode and Cu-electrode. 
• Application of electrolysis, such as Electroplating, Electro-refining and Electrotyping, Electrochemical Cells, Primary Cell- Dry Cell, Secondary Cell- Lead storage cell, Electrochemical series.

Chemical Equilibrium

• Reversible and irreversible reactions. 
• Exothermic and endothermic reactions, chemical equilibrium, Le Chatelier’s Industrial preparation of Ammonia by Haber’s Process, Nitric acid by Ostwald’s process, and Sulphuric acid by Contact Process.
• Catalyst and catalysis.

Metallurgy

• Minerals, Ores, Gangue, Flux, and Slag.
• General method of extraction of metals regarding Iron, copper, and Aluminium. 
• Definition of Alloy, purposes of making Alloy, Composition and uses of alloys such as brass, bronze, German silver, duralumin, nichrome, bell metal, gun metal, Monel metal, alnico, Dutch metal, babbitt metal, stainless steel. Amalgams, properties, and uses of cast iron, wrought iron, steel, and sponge iron. 
• Uses of different alloy steels.

Water

• Soft and Hard water, action of soap on water, types of Hardness, causes of hardness.
• Units of hardness, disadvantages of using hard water, estimation of total hardness by the EDTA method, removal of hardness by the Permutit process, Ion-exchange process, phosphate conditioning, and Calgon treatment.

Organic Chemistry 

• Organic compounds.
• Classification, Homologous series, Functional groups, Isomerism, Properties and preparation of Methane, Ethylene and Acetylene, Methylated spirit, Rectified spirit, Power alcohol, Proof spirit. 
• Uses of Benzene, Naphthalene, and Phenol.

Units 

Topics

Matrices up to order 3

• Definition of Matrix and its order.
• Different types of Matrices. (Rectangular, square, row, column, upper triangular, lower triangular, diagonal, scalar, identity, null). 
• Equality of two matrices. Addition, subtraction, multiplication of a matrix by a scalar, and multiplication of two matrices. 
• Transpose of a matrix, symmetric and skew-symmetric matrices, and simple problems. 
• Singular and non-singular matrices, adjoint and inverse of a matrix of order 3. 
• Eigen values of the matrix up to order 3. 
• Statement of the Cauchy-Hamilton Theorem and application for determining the inverse of a matrix. 
• Diagonalization of matrices.

Determinant up to order 3

• Definition and expansion of determinants of order 2 and 3. Minor and cofactors. 
• Elementary properties of Determinants (statements only) and simple problems. 
• Solutions of linear simultaneous equations (up to 3 unknowns) by Cramer’s Rule. 
• The rank of a matrix is up to order 3. 
• Linear homogeneous and non-homogeneous systems of equations – statements of the relevant results and their applications.

Complex Number

• Definition of complex numbers, Cartesian and polar. 
• The exponential form of complex numbers. Modulus, amplitude, and conjugate of a complex number. 
• Algebra of complex numbers (Equality, Addition, Subtraction, Multiplication). 
• Cube roots of unity and their properties. 
• De Moivre’s theorem (statements only) and simple problems.

Co-ordinate Geometry(2D)

• Concept of polar coordinates and its relation to Cartesian coordinates. 
• The conic section in 2D – Definition, simple properties, Tangents and Normal.

Vector Algebra

• Definition of a vector quantity. Concept of Position vector and Ratio formula. 
• Rectangular resolution of a vector. 
• Algebra of vectors – equality, addition, subtraction, and scalar multiplication. 
• Scalar (Dot) product of two vectors with properties. 
• The vector (cross) product of two vectors with properties. Applications: Application of the dot product in work done by a force and projection of one vector on another, application of the cross product in finding vector area and moment of a force. 
• Scalar and vector triple product and their geometrical interpretations. 
• Linear combination of 3 vectors. Linear dependence and independence of vectors.

Differential Calculus

• Concept of the function of one variable – Domain and range.
• Types of different functions, including periodic functions. 
• Limit and continuity. Standard limits. 
• Types of discontinuity. 
• Derivatives of functions (1st order and 2nd order). 
• Statements and Applications of Rolle’s Theorem, Mean Value Theorem. Indeterminate Form.
• L’Hospital’s rule.

Application of Derivatives

Application of Derivatives

Partial Differentiation

• Definition and meaning of partial derivative. 
• Evaluation of partial derivatives. Definition and examples of homogeneous functions. 
• Euler’s theorem (1st order) on homogeneous functions for 2 variables (without proof).

Integral Calculus

• Definition of Integration as the inverse process of differentiation.
• Rules for integration (sum, difference, scalar multiple). Integration of standard functions.
• Integration by substitution. Integration by parts. 
• Integration by partial fractions. Definition of definite integral and simple problems. 
• Properties of the definite integral with simple problems. 
• Application of definite integral – area of bounded region.

Ordinary Differential Equation

• Definition of ordinary differential equation, order, and degree.
• Solution of the differential equation of the first order and first degree.
• Separation of variables.
• Homogeneous type. 
• Exact type. 
• Linear type. 
• Solution of a differential equation of first order but not of the first degree. 
• Solution of a linear second-order differential equation with constant coefficients. 
• Complementary Functions (C.F).
• Particular integral for polynomial function sinax and cosax, [F(-a2)≠0] eaxV, where V is a function. 
• Simple problem.

Probability

• Definition of random experiment, sample space, event, occurrence of events, and types of events (e.g., Impossible, mutually exclusive, Exhaustive, equally likely). 
• Classical definition of probability, simple problems. 
• Statements of total probability, compound probability, Bayes’ Theorem, and simple problems.

Units 

Topics

Electrical components, measuring instruments

• Electrical components, measuring instruments: Resistors, capacitors, inductors. 
• Principle of operation of PMMC & MI type Instrument. 
• Principles of Voltage and Current Wheatstone Bridge.

Transformers

• Basic principle and construction. BH characteristics. 
• Transformation ratio. 
• Equivalent circuit, losses, regulation, Autotransformer.

Electrical machines

• Types of motors and their applications. 
• Generation of rotating magnetic fields. 
• Basic construction and working of DC motor, single-phase induction, and Torque-Speed characteristics. 
• Speed control.

DC sources and circuits

• Voltage and current sources, their transformation, Thevenin’s, Norton’s, Kirchhoff's current and voltage laws. 
• Superposition and equivalence.
• Determination of branch current/ voltage in passive circuits. 
• Time domain characteristics of reactive components.

AC sources and circuits

• Amplitude, frequency, time-period, phase, peak/average/ RMS Exponential, complex, and phasor form of representation of sinusoidal voltage and current. 
• Impedance, power factor, active/reactive power. 
• Voltage and current relationship in star-delta connections. 
• Behavior of simple RLC circuits with AC excitation.

Basic semiconductor devices

• Energy level diagrams of insulator, conductor & semiconductor. 
• Intrinsic & extrinsic, P-type, N-type semiconductors. P-N junction diode. 
• PNP and NPN transistors, MOSFET, and CMOS.

Analog Circuits

Digital Electronics

Year 

PDF

2024 Cutoff

 WBJEE+JELET+2024+Cut+Off+PDF.pdf

Book Name

Author

LEET-Lateral Entry Entrance Test for Diploma Holders

G.K.P

R.Gupta’s Lateral Entry to Engineering Degree

R.Gupta’s, RPH Editorial Board

LEET (Lateral Engineering Entrance Test) Objective Type

Vaneet Singh and Gurmeet Singh, Satya Prakashan Publication

JELET All in One

Kalaj Kumar Sarkar

Guide to LEET (Lateral Entry Engineering Test)

G. K. Publishers