SATHEE CUET: Course 1

Unit I: Electrostatics
- Electric charges and their conservation
- Coulomb’s law
- Force between two point charges
- Forces between multiple charges
- Superposition principle
- 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 a uniform electric field
- Electric flux
- Statement of Gauss’s theorem
- Applications to find electric field due to:
- Infinitely long straight wire
- Uniformly charged infinite plane sheet
- 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 dipoles in an electrostatic field
- Conductors and insulators
- Free charges and bound charges inside a conductor
- Dielectrics and electric polarization
- Capacitors and capacitance
- Combination of capacitors in series and parallel
- Capacitance of a parallel plate capacitor with and without dielectric medium
- Energy stored in a capacitor
- Van de Graaff generator
Unit II: Current Electricity
- Electric current
- Flow of electric charges in a metallic conductor
- Drift velocity
- Mobility
- Ohm’s law
- Electrical resistance
- V-I characteristics (linear and non-linear)
- 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
- Simple applications
- Wheatstone bridge
- Metre Bridge
- Potentiometer
- Principle and applications to measure potential difference and compare emf of two cells
- Measurement of internal resistance of a cell
Unit III: Magnetic Effects of Current and Magnetism
- Magnetic field
- Concept, Oersted’s experiment
- Biot-Savart law and its application to current-carrying circular loop
- Ampere’s law
- Applications to:
- Infinitely long straight wire
- Straight and toroidal solenoids
- Force on a moving charge
- In uniform magnetic and electric fields
- Cyclotron
- Force between two parallel current-carrying conductors
- Ampere’s definition
- Torque on a current loop
- In a magnetic field
- Moving coil galvanometer
- Current sensitivity
- Conversion to ammeter and voltmeter
- Magnetic dipole moment
- Current loop as a magnetic dipole
- Magnetic dipole moment of a revolving electron
- Magnetic field intensity due to a magnetic dipole
- Along its axis and perpendicular to its axis
- Torque on a magnetic dipole
- In a uniform magnetic field
- Bar magnet as an equivalent solenoid
- Magnetic field lines
- Earth’s magnetic field
- Magnetic elements
- Para-, dia-, and ferromagnetic substances - Examples
- Electromagnets
- Factors affecting their strengths
- Permanent magnets
Unit IV: Electromagnetic Induction and Alternating Currents
Unit V: Electromagnetic Waves
- Displacement current
- Need for displacement current
- Electromagnetic waves
- Characteristics (qualitative ideas only)
- Transverse nature
- Electromagnetic spectrum
- Radio waves, microwaves, infrared, visible, ultraviolet, x-rays, gamma rays
- Uses
Unit VI: Optics
- Reflection of light
- Spherical mirrors
- Mirror formula
- Refraction of light
- Total internal reflection
- Optical fibres
- Refraction at spherical surfaces
- Lenses
- Thin lens formula
- Lens maker’s formula
- Magnification
- Power of a lens
- Combination of thin lenses
- Combination of a lens and a mirror
- Refraction and dispersion of light through a prism
- Scattering of light
- Blue colour of the sky
- Reddish appearance of the sun at sunrise and sunset
- Optical instruments
- Human eye
- Image formation and accommodation
- Correction of eye defects (myopia and hypermetropia) using lenses
- Microscopes
- Astronomical telescopes (reflecting and refracting) and their magnifying powers
- Wave optics
- Wave front and Huygens’ Principle
- Reflection and refraction of plane wave at a plane surface using wave fronts
- Proof of laws of reflection and refraction using Huygens’ Principle
- Interference
- Young’s double-slit experiment
- Expression for fringe width
- Coherent sources
- Sustained interference of light
- Diffraction
- Diffraction due to a single slit
- Width of central maximum
- Resolving power of microscopes and astronomical telescopes
- Polarization
- Plane polarized light
- Brewster’s law
- Uses of plane polarized light and Polaroids
Unit VII: Dual Nature of Matter and Radiation
- Photoelectric effect
- Hertz and Lenard’s observations
- Einstein’s photoelectric equation
- Particle nature of light
- Matter waves
- Wave nature of particles
- de Broglie relation
- Davisson-Germer experiment
- Conclusion
Unit VIII: Atoms and Nuclei
- Alpha-particle scattering experiment
- Rutherford’s model of atom
- Bohr model
- Energy levels
- Hydrogen spectrum
- Composition and size of nucleus
- Atomic masses
- Isotopes, isobars, isotones
- Radioactivity
- Alpha, beta, and gamma particles/rays
- Properties
- Radioactive decay law
- Mass-energy relation
- Mass defect
- Binding energy per nucleon
- Variation with mass number
- Nuclear fission and fusion
Unit IX: 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 gates
- Transistor as a switch
Unit X: Communication Systems
- Elements of a communication system
- Block diagram
- Bandwidth of signals
- Speech, TV, and digital data
- Bandwidth of transmission medium
- Propagation of electromagnetic waves
- Atmosphere, sky
- space wave propagation
- Modulation
- Need for modulation
- Production and detection of an amplitude-modulated wave

Physics

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Welcome to the comprehensive Physics preparation hub for CUET UG. This page organizes all available study materials, video lectures, practice questions, exams, and resources in one place.

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Unit 1: Electrostatic

Unit 3: Dual Nature of Matter and Radiation

Unit 4: Atoms and Nuclei

Unit 5: Electronic Devices

Unit 6: Electromagnetic Waves

Unit 7: Optics

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Unit 1: Electrostatic

Unit 2: Current Electricity

Unit 3: Magnetic Effects of Current and Magnetism

Unit 4: Electromagnetic Induction and Alternating Currents

Unit 5: Electromagnetic Waves

Unit 6: Optics

Unit 7: Dual Nature of Matter and Radiation

Unit 8: Atoms and Nuclei

Unit 9: Electronic Devices

Unit 10: Communication Systems

ELECTROSTATICS

CURRENT ELECTRICITY

MAGNETIC EFFECTS OF CURRENT AND MAGNETISM

ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

ELECTROMAGNETIC WAVES

OPTICS

DUAL NATURE OF MATTER AND RADIATION

ATOMS AND NUCLEI

ELECTRONIC DEVICES

Communication Systems

CUET Preparation

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