Candidate has to secure good marks/rank in DCECE 2020 to get admission in various courses offered by BCECEB. To score good, candidates have to know the syllabus. By knowing the syllabus candidate can prepare a study plan and start preparation. The topics listed below can help the candidates prepare for the exam.
DCECE Syllabus 2020
Subject wise Bihar Polytechnic 2020 syllabus is described below.
Bihar Polytechnic 2020 Physics Syllabus
Physics World and Measurement
Scope and Excitement, Technology and Society, Need for Measurement, Dimensional Analysis, Dimensions of Physical Quantities, Significant Figures, Regular and Irregular errors, System of Units, S.I. Units, Accuracy, and Precision of Measuring Instruments, Fundamental and Derived Units, Length, Mass, and Time Measurements, Nature of Physical Laws.
Kinematics
Motion in Straight line, Positiontime graph, Speed and velocity, Uniform and nonuniform motion, Frame of reference, Velocity time and Position time graphs, Average speed and Instantaneous Velocity, Elementary concepts of Differentiation and Integration for describing motion, Relations for Uniformly Accelerated Motion (Graphical Treatment).
Scalar and Vector Quantities: Equality of Vectors, Position and Displacement Vectors, General vectors and Notation, Relative Velocity, Addition and Subtraction of Vectors, Multiplication of Vectors by Real Numbers.
Elementary concepts of differentiation and integration for describing motion. Unit vector, Resolution of a vector in planerectangular components.
Motion in a plane, Cases of uniform velocity and uniform acceleration  projectile motion, uniform circular motion.
Laws of Motion
Inertia, Momentum, Newton's Second law of motion, Newton's law of motion, Intuitive concept force, Impulse, Law of Conservation of Linear Momentum and its applications.
Static and Kinetic friction, laws of friction, rolling friction, Equilibrium of concurrent forces, Dynamics of Uniform circular motion, Centripetal force.
Work, Energy, and Power
The notion of potential energy, Kinetic energy, Scalar product of Vector done by a constant force, Workenergy theorem, Power.
Nonconservative forces, Conservative forces, Notion of potential energy, elastic and inelastic collisions in one and two dimension, potential energy of a spring, conservation of mechanical energy (Kinetic and Potential Energies).
The motion of System of Particles and Rigid Body
Equilibrium of Rigid Bodies, Vector product of Vectors, Torque Angular Momentum, Momentum of Force, Conservation of angular momentum, Rigid body rotation, Equation of rotation motions, Radius of gyration, Moment of inertia, Values of M.I for simple geometrical objects (no derivation), Statement of parallel and perpendicular axes theorems and its applications.
Gravitation
The universal law of gravitation, gravitational potential energy, Kepler's laws of planetary motion, the acceleration due to gravity, Variation with altitude and depth, Gravitational potential, Escape velocity, geostationary satellites, orbital velocity of the satellite.
Properties of Bulk Matter
Young's modulus, Shear modulus of rigidity, Bulk Modulus, Stressstrain relationship, Deformation, Elastic behaviour, effects of gravity of fluid pressure, Pressure due to fluid column, Viscosity, Reynold's number, Bernoulli's theorem, Its applications, Stoke's law terminal velocity, Streamline and turbulent fellow, angle of contact, application of surface tension, angle of contact, surface energy and surface tension, ideas to drop bubbles and capillary rise.
Heat and Thermodynamics
Temperature, heat, specific heat capacity, thermal expansion, change of state, latent heat, calorimetry, heat transfer  thermal conductivity, conduction, convection and radiation, Newton's law of cooling. The first law of thermodynamics, Second law of thermodynamics, heat engines and refrigerator, reversible and irreversible processes, Thermal equilibrium and definition of temperature (Zeroth law of thermodynamics).
Behaviour of Perfect Gas and Kinetic theory
Avogadro's number, Concept of the mean free path, Capacities of gases, Degrees of freedom, Assumptions, Concept of pressure, Kinetic energy and temperature, RMS speed of gas molecules, Concept of pressure.
Oscillations and Waves
Periodic motion  period, frequency, displacement as a function of time, periodic functions, simple harmonic motion (SHM) and its equation, phase, the oscillation of a spring  restoring force and force constant energy in SHM  Kinetic and potential energies, simple pendulum  derivation of expression for its period) free, forced and damped oscillations (qualitative ideas only), resonance.
Wave motion, Longitudinal and transverse waves, speed of wave motion, Displacement relation for progressive waves, the principle of superposition of waves, the reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect.
Electrostatics
Electric Charge; Conservation of charge, Coulomb's lawforce between two point charges, forces between multiple charges; superposition principle and continuous charge distribution. Electric field; electric field due to a point charge, electric field lines; electric dipole, electric field due to a dipole;
torque on a dipole in uniform electric field.
Electric flux, statement of Gauss's theorem and its applications to find field due to infinitely long straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell (field inside and outside).
Electric potential, potential difference, electric potential due to a point charge, a dipole and system of charges; equipotential surfaces, electrical potential energy of a system of two point charges and electric dipole in an electrostatic field.
Conductors and insulators, free charges and bound charges inside a conductor. Dielectrics and electric polarization, capacitors and capacitance, the combination of capacitors in series and parallel, the capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stored in a capacitor. Van de Graaff generator.
Current Electricity
Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current; Ohm's law, electrical resistance, VI characteristics (linear and nonlinear), electrical energy and power, electrical resistivity and conductivity. Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance.
Internal resistance of a cell, potential difference and emf of a cell, combination of cells in series and parallel. Kirchhoff's laws and simple applications. Wheatstone bridge, metre bridge. Potentiometer  principle and its applications to measure potential difference and for comparing emf of two cells; measurement of internal resistance of a cell.
Magnetic effects of current & Magnetism
Concept of the magnetic field, Oersted's experiment. Biot  Savart law and its application to current carrying circular loop. Ampere's law and its applications to infinitely long straight wire, straight and toroidal solenoids. Force on a moving charge in uniform magnetic and electric fields. Cyclotron. Force on a currentcarrying conductor in a uniform magnetic field. Force between two parallel currentcarrying conductorsdefinition of ampere. Torque experienced by a current loop in a uniform magnetic field, moving coil galvanometerits current sensitivity and conversion to ammeter and voltmeter.
Current loop as a magnetic dipole and its magnetic dipole moment. Magnetic dipole moment of a revolving electron. Magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis. Torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, magnetic field lines; Earth's magnetic field and magnetic elements. Para, dia and ferromagnetic substances, with examples.
Electromagnets and factors affecting their strengths. Permanent magnets. Electromagnetic Induction and Alternating currents Electromagnetic induction; Faraday's law, induced emf and current; Lenz's Law, Eddy currents. Self and mutual inductance. Need for displacement current.
Alternating currents, peak and RMS value of alternating current/ voltage; reactance and impedance; LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, wattles current, AC generator and transformer, Electromagnetic Waves, Electromagnetic waves and their characteristics (qualitative ideas only). Transverse nature of electromagnetic waves.
Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, Xrays gamma rays) including elementary facts about their uses.
Optics
Reflection of light, spherical mirrors, mirror formula, Refraction of light, total internal reflection and its applications, optical fibres, refraction at spherical surfaces, lenses, thin lens formula, lens maker's formula. Magnification, power of a lens, combination of thin lenses in contact, Refraction and dispersion of light through a prism.
Scattering of the lightblue colour of the sky and reddish appearance of the sun at sunrise and sunset. Optical instruments; Human eye, image formation and accommodation, correction of eye defects (myopia, hypermetropia, presbyopia and astigmatism) using lenses. Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers.
Wave optics: wavefront and Huygens' principle, reflection and refraction of plane wave at a plane surface using wavefronts. Proof of laws of reflection and refraction using Huygens' principle. Interference, Young's doubleslit experiment and expression for fringe width, coherent sources and sustained interference of light.
Diffraction due to a single slit, width of central maximum. Resolving power of microscopes and astronomical telescopes. Polarisation, plane polarised light; Brewster's law, uses of plane polarised light and Polaroids.
Dual Nature of Matter and Radiation
Photoelectric effect, Hertz and Lenard's observations; Einstein's photoelectric equationparticle nature of light. Matter waveswave nature of particles, de Broglie relation. DavissonGermer experiment. Atoms and Nuclei, Alphaparticle scattering experiment; Rutherford's model of atom; Bohr model, energy levels, hydrogen spectrum.
Composition and size of nucleus, atomic masses, isotopes, isobars; isotones, Radioactivityalpha, beta and gamma particles/rays and their properties; radioactive decay law. Massenergy relation, mass defect; binding energy per nucleon and its variation with mass number; nuclear fission and fusion.
Electronic Devices
Semiconductors; semiconductor diode  IV characteristics in forward and reverse bias, diode as a rectifier; IV characteristics of LED, photodiode, solar cell, and Zener diode; Zener diode as a voltage regulator. Junction transistor, transistor action, characteristics of a transistor; transistor as an amplifier (common emitter configuration) and oscillator. Logic gates (OR, AND, NOT, NAND and NOR). Transistor as a switch.
Communication Systems
Elements of a communication system (block diagram only); bandwidth of signals (speech, TV and digital data); bandwidth of transmission medium. Propagation of electromagnetic waves in the atmosphere, sky and space wave propagation. Need for modulation. Production and detection of an amplitudemodulated wave.
Bihar Polytechnic 2020 Mathematics Syllabus

Sets and Functions

Algebra
 Matrices

Coordinate Geometry
 Inverse Trigonometric Functions

Calculus

Mathematical Reasoning

Statistics and Probability

Continuity and Differentiability

Application of Derivatives

Integrals

Differential Equations

Vector Algebra

Three Dimensional Geometry

Linear Programming
Bihar Polytechnic 2020 Chemistry Syllabus

Basic Concepts of Chemistry

Structure of Atom

Classification of Elements and Periodicity in Properties

Chemical Bonding and Molecular Structure

Solid State

Chemical thermodynamics and energetic

Solutions and colligative properties

States of Matter: Gases and Liquids

Thermodynamics

Electrochemistry

Chemical kinetics

Equilibrium

General principles and processes of isolation of elements

Redox Reaction

Hydrogen

S Block Elements

P Block Elements

f Block Elements

dBlock Elements

Coordination compounds

Halogen derivatives of alkanes (and arenas)

Organic Chemistry

Alcohols, phenols and ethers Alcohols

Hydrocarbons

Aldehydes, ketones and carboxylic acids Aldehydes and Ketones

Organic compounds containing nitrogen

Environmental Chemistry
Candidates can visit Bihar Polytechnic DCECE 2020 Exam Pattern to understand how these subjects will be divided into the question paper.