Wednesday, June 27, 2007

Topics studied under Physics in Nepal for grade XI

Unit one: Mechanics1. Measurements: - Measurements of physical quantity system of units: SI unit, Dimensions: Main uses of dimensional equations.2. Scalars & Vectors: - Graphical re-presentation of, addition, subtraction, & resolution of vectors: scalars and vector products.3. Kinematics: - Displacement, velocity, speed, acceleration, equations of motions, motion under gravity, projectile motion.4. Laws of motions: - Newton’s laws of motion: inertia, linear momentum: force, impulse, conservation of linear momentum: momentum and explosive force parallelogram of forces: triangle laws of forces: Lami theorem; coplanar forces; Moment of forces: parallel forces: Torque due to a couple: Center of gravity, center of mass: Solid friction: Laws of solid friction and Verification.5. Work, Energy and Power: - Work: Power, energy: Kinetic energy, Potential energy. Conservative and non-conservative forces: elastic and inelastic collision, conservation of energy.6. Circular Motion: - angular velocity: acceleration in circle: centripetal force Motion of car and cyclist round a banked track.7. Gravitation: - Newton’s law of gravitation: variation in value of ‘g’ due to altitude, depth and rotation of the earth, gravitational potential: escape velocity: parking orbits: Weightlessness: P.E. and K.E. of satellite.8. Simple Harmonic Motion:- Equation of S.H.M: Period, Simple pendulum: spring and mass : phase9. Introduction to Rotational Dynamics: - Moment of inertia: Torque on the rotating body: work done by a couple: Angular momentum and its conservation. Kinetic energy of rolling object10. Hydrostatics: - Fluid pressure, Pascal’s law of transmission of fluid pressure: Archimedes’ principle: density and specific gravity and their determination: principle of flotation: condition of equilibrium of floating bodies.