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Grade 11 Physics

Grade 11 Physics is organized into five chapters: Mechanics, Heat and Thermodynamics, Optics, Electricity, and Modern Physics. Mechanics, within Unit 1, comprises eight chapters covering physical quantities, vectors, kinematics, dynamics, work, energy and power, circular motion, gravitation, and elasticity. This comprehensive curriculum equips students with a strong foundation in classical physics principles and sets the stage for advanced topics in the field.

This comprehensive physics curriculum covers various fundamental topics. It begins with an exploration of physical quantities, delving into precision, accuracy and significant figures. Moving on to vectors, it discusses both scalar and vector quantities, their products, and practical applications. Kinematics introduces equations of motion, equations of motion under the effect of gravity and projectile motion. Dynamics encompasses Newton’s laws, Principle of conservation of linear momentum, moment of a force, and torque of a couple, equilibrium and friction. Work, energy and power cover a range of concepts, including work done by constant and variable forces, work-energy theorem, elastic and inelastic collision. Gravitation explores Newton’s law of gravitation, gravitational field strength, potential energy, variation of acceleration due to gravity, orbital velocity, escape velocity, and satellite and GPS related matters. Finally, elasticity examines stress and strain, elasticity and plasticity, Hooke’s law, elastic modulus, Poisson’s ratio, and energy in stretched wire. 

Unit 2 comprises five chapters on Heat and Thermodynamics. The first chapter covers heat, temperature, and the zeroth law of thermodynamics. The second explores thermal expansion in different materials. The third chapter, Quantity of Heat, delves into heat capacities, Newton’s law of cooling, calorimetry principles, latent heat, and the triple point. The fourth chapter, Rate of Heat Flow, discusses heat transfer mechanisms, thermal conductivity, and black body laws. The final chapter, Ideal Gas, introduces the kinetic molecular model, including moles, Avogadro’s number, Charles’ law, and Boyle’s law. These chapters offer a comprehensive understanding of the intriguing concepts in heat and thermodynamics.

Unit 3, Optics, includes five enlightening chapters. Reflection at Curved Surfaces explores mirror types, deriving the mirror formula and elucidating diverse mirror applications. Refraction at Plane Surfaces delves into laws of refraction, refractive index, lateral shift, critical angle, total internal reflection, and optical fiber intricacies. Refraction through Prisms covers minimum deviation and small-angled prism applications. Lenses explores lens properties, the lens formula, visual angle, angular magnification, and lens maker’s formula. Dispersion delves into pure spectrum, dispersive power, chromatic and spherical aberrations, and achromatism in lenses. These chapters weave a comprehensive narrative, simplifying the fascinating realm of optics.

Unit 4 Electricity comprises five chapters: Electric Charges, Electric Field, Electric Potential, Capacitors, and DC Circuits. Electric Charges covers charge carriers, methods of charging, Coulomb’s law, and forces between charges. Electric Field explains field and intensity, field lines, flux, and Gauss law applications. Electric Potential details point potential, potential difference, and electron volts. Capacitors discuss stored energy, capacitance, and types. DC Circuits cover electric current, Ohm’s law, resistors, series/parallel combinations, potential dividers, electromotive force, internal resistance, and work/power. This educational journey simplifies electrical concepts, making the world of electricity accessible.

Unit 5, finally, covers three chapters in modern physics: Nuclear Physics, Solids, and Recent Trends. In Nuclear Physics, we unravel the nucleus discovery, Einstein’s mass-energy link, mass defects, binding energy, and nuclear fission/fusion. Solids dive into insulators, semiconductors, conductors, energy levels, and bands. Recent Trends explores elementary particles, antiparticles, particle classification, quarks, leptons, the Big Bang theory, Hubble’s law, dark matter, black holes, and gravitational waves. This concluding unit unveils the wonders of modern physics, from the tiniest particles to cosmic phenomena, wrapping up our enlightening journey.

Chapters in Physics

  • Chapter 1 – Physical Quantities
  • Chapter 2 – Vectors
  • Chapter 3 – Kinematics
  • Chapter 4 – Dynamics
  • Chapter 5 – Work, Energy and Power
  • Chapter 6 – Circular Motion
  • Chapter 7 – Gravitation
  • Chapter 8 – Elasticity
  • Chapter 9 – Heat and Temperature
  • Chapter 10 – Thermal Expansion
  • Chapter 11 – Quantity of Heat
  • Chapter 12 – Rate of Heat Flow
  • Chapter 13 – Ideal Gas
  • Chapter 14 – Reflection at curved Mirrors
  • Chapter 15 – Refraction at Plane Surfaces
  • Chapter 16 – Refraction through Prisms
  • Chapter 17 – Lenses
  • Chapter 18 – Dispersion
  • Chapter 19 – Electric Charges
  • Chapter 20 – Electric Field
  • Chapter 21 – Potential, Potential difference and Potential energy
  • Chapter 22 – Capacitor
  • Chapter 23 – DC Circuits
  • Chapter 24 – Nuclear Physics
  • Chapter 25 – Solids
  • Chapter 26 – Recent Trends in Physics

Important topics in NEB Class 11 Physics

  • Physical Quantities
  • Kinematics
  • Gravitation
  • Thermal expansion
  • Quantity of heat
  • Ideal gas
  • Lenses
  • Capacitors
  • DC circuit
  • Nuclear Physics

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