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(A) PRELIMINARY EXAMINATION: –

Physics:
i. Mechanics:

1D Motion, 2D Motion, Relative Motion, Uniform Circular Motion, Newton’s 3 Laws, Kinetic Energy, Potential Energy, Conservation of Mechanical Energy, Conservation of Total Energy, Impulse, Momentum and Angular Momentum, Simple Harmonic Motion, Pendulums.

ii. Oscillations and Waves:

Periodic motion – period, frequency, displacement as a function of time. Periodic functions. Simple harmonic motion (S.H.M) and its equation; phase; oscillations of a spring-restoring force and force constant; energy in S.H.M.- 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 a progressive wave. Principle of superposition of waves, a reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect.

Electric current, the flow of electric charges in a metallic conductor, Ohm’s law, electrical resistance, V-I characteristics (linear and non-linear) electrical energy and power, electrical resistivity, and conductivity.

iv. Electromagnetic induction:

Kirchhoff’s’ laws and simple applications. Electromagnetic Induction and Alternating Currents.

v. Electromagnetic waves:

Electromagnetic waves and their characteristics (qualitative ideas only). Transverse nature of electromagnetic waves. Electromagnetic spectrum (radio waves, microwaves, infrared visible, ultraviolet, Xray’s, gamma rays) including elementary facts about their uses.

Computer Application:

• Basic knowledge in Computer
• Operating Computer using GUI based Operating System
• Understanding Word Processing
• Communication using the Internet
• A presentation using PowerPoint.

Mathematics:
i. Algebra:

Irrational numbers, Arithmetic Progression, Quadratic Equations, Logarithm, Laws of Indices.

ii. Trigonometry:

Associated angles, Compound angles, Multiple Angles.

Equations of straight lines, equations of Circles.

iv. Calculus:

Limit, Differentiation, Integration.

B. FINAL COMPETITIVE EXAMINATION: –

Physics:
i. Mechanics:

1D Motion, 2D Motion, Relative Motion, Uniform Circular Motion, Inertia Frames, Mass, Newton’s 3 Laws, Kinetic Energy, Potential Energy, Conservation of Mechanical Energy, Conservation of Total Energy, Impulse, Momentum and Angular Momentum, Simple Harmonic Motion, Pendulums.

ii. Oscillations and Waves :

Periodic motion – period, frequency, displacement as a function of time. Periodic functions. Simple harmonic motion (S.H.M) and its equation; phase; oscillations of a spring-restoring force and force constant; energy in S.H.M.- 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 a progressive wave. Principle of superposition of waves, a reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect.

Electric current, the flow of electric charges in a metallic conductor, Ohm’s law, electrical resistance, V-I characteristics (linear and non-linear) electrical energy and power, electrical resistivity, and conductivity. Carbon resistors, color code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance. The internal resistance of a cell, potential difference, and emf of a cell, combination of cells in series and parallel. Elementary idea of secondary cells. Kirchoffs’ laws and simple applications. Wheatstone bridge, meter bridge. Potentiometer – principle and its applications to measure potential difference and for comparing emf of two cells; measurement of internal resistance of a cell

iv. Electromagnetic induction and Alternating Currents:

Faraday’s laws induced emf and current; Lenz’s Law, 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.

v. Electromagnetic waves : WB Police Syllabus Exam 2021Download Full PDF File

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.

vi. Electronic Devices :

Energy bands in solids, conductors, insulators, and semiconductors; semiconductor diode – I-V characteristics in forward and reverse bias, diode as a rectifier; I-V 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). Transistors as a switch. WB Police Syllabus Exam 2021Download Full PDF File

vii. Communication Systems:

Propagation of electromagnetic waves in the atmosphere, sky, and space wave propagation. Need for modulation. Production and detection of an amplitude-modulated wave.

Computer Application:

• Basic knowledge in Computer
• Operating Computer using GUI based Operating System
• Understanding Word Processing
• Communication using the Internet
• A presentation using PowerPoint.
• www and Web Browser
• Communication and Collaboration.

i. Algebra :

Irrational numbers, Arithmetic Progression, Geometric Progression, Quadratic Equations, Logarithm, Laws of Indices, Set theory.

ii. Trigonometry:

Associated angles, Compound angles, Multiple Angles, Sub-multiple angles.

iii. Co-ordinate Geometry:

Equations of straight lines, equations of Circles.

iv. Calculus :

Limit, Differentiation, Integration, maximum and minimum values of functions.