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2026-01-06 ·

Grade xi

Grade XI Physics – NEB Syllabus (2076)

PHYSICS DECODED | Notes • MCQs • Video Lectures


🔹 Content Area: Mechanics

1. Physical Quantities
  • Precision and significant figures
  • Dimensions and uses of dimensional analysis
2. Vectors
  • Triangle, parallelogram and polygon laws of vectors
  • Resolution of vectors; Unit vectors
  • Scalar and vector products
3. Kinematics
  • Instantaneous velocity and acceleration
  • Relative velocity
  • Equation of motion (graphical treatment)
  • Motion of a freely falling body
  • Projectile motion and its applications
4. Dynamics
  • Linear momentum and impulse
  • Conservation of linear momentum
  • Application of Newton’s laws
  • Moment, torque and equilibrium
  • Solid friction: laws and verification
5. Work, Energy and Power
  • Work done by constant and variable force
  • Power
  • Work–energy theorem
  • Kinetic and potential energy
  • Conservation of energy
  • Conservative and non-conservative forces
  • Elastic and inelastic collisions
6. Circular Motion
  • Angular displacement, velocity and acceleration
  • Relation between angular and linear quantities
  • Centripetal acceleration and force
  • Conical pendulum
  • Motion in a vertical circle
  • Banking of roads
7. Gravitation
  • Newton’s law of gravitation
  • Gravitational field strength
  • Gravitational potential and potential energy
  • Variation of g with altitude and depth
  • Centre of mass and centre of gravity
  • Orbital velocity and time period
  • Escape velocity
  • Energy of satellite
  • Geostationary satellite and GPS
8. Elasticity
  • Hooke’s law and force constant
  • Stress, strain, elasticity and plasticity
  • Elastic moduli
  • Poisson’s ratio
  • Elastic potential energy

🔹 Content Area: Heat & Thermodynamics

9. Heat and Temperature
  • Molecular concept of heat and temperature
  • Cause and direction of heat flow
  • Thermal equilibrium
  • Zeroth law of thermodynamics
  • Mercury thermometer principle
10. Thermal Expansion
  • Linear, superficial and cubical expansion
  • Liquid expansion
  • Dulong and Petit method
11. Quantity of Heat
  • Newton’s law of cooling
  • Specific heat capacity
  • Latent heat and change of phase
  • Triple point
12. Rate of Heat Flow
  • Conduction and thermal conductivity
  • Convection
  • Radiation and black body
  • Stefan–Boltzmann law
13. Ideal Gas
  • Ideal gas equation
  • Kinetic theory of gases
  • Pressure of gas
  • RMS speed
  • Heat capacities

🔹 Content Area: Waves & Optics

14. Reflection at Curved Mirrors
  • Real and virtual images
  • Mirror formula
15. Refraction at Plane Surfaces
  • Laws of refraction
  • Refractive index relations
  • Lateral shift
  • Total internal reflection
16. Refraction through Prisms
  • Minimum deviation
  • Refractive index relation
  • Small angle prism
17. Lenses
  • Spherical lenses
  • Angular magnification
  • Lens maker’s formula
  • Power of a lens
18. Dispersion
  • Pure spectrum
  • Dispersive power
  • Chromatic and spherical aberration
  • Achromatism

🔹 Content Area: Electricity & Magnetism

19. Electric Charges
  • Charging by induction
  • Coulomb’s law
  • Force between multiple charges
20. Electric Field
  • Electric field due to point charges
  • Electric flux and Gauss law
  • Applications of Gauss law
21. Electric Potential
  • Potential and potential difference
  • Equipotential surfaces
  • Potential gradient
22. Capacitor
  • Capacitance
  • Parallel plate capacitor
  • Combination of capacitors
  • Energy of capacitor
  • Dielectric effect
23. DC Circuits
  • Electric current and drift velocity
  • Ohm’s law
  • Resistance and resistivity
  • Series and parallel combination
  • Potential divider
  • EMF and internal resistance
  • Work and power in circuits

🔹 Content Area: Modern Physics

24. Nuclear Physics
  • Structure of nucleus
  • Mass defect and binding energy
  • Einstein’s mass–energy relation
  • Fission and fusion
25. Solids
  • Energy band theory
  • Conductors, insulators and semiconductors
  • Intrinsic and extrinsic semiconductors
26. Recent Trends in Physics
  • Particles and antiparticles
  • Quarks and leptons
  • Big Bang and expansion of universe
  • Dark matter, black hole and gravitational waves

Total Teaching Hours: 128 (NEB)

© PHYSICS DECODED – Based strictly on NEB Curriculum 2076