NERIST NEE II 2015 Vocational Physics Syllabus:
Units and dimensions:
Units for measurements; systems of units; fundamental and derived units; SI units. Dimensional analysis and their applications. Motion in one and two dimensions: Objects in motion in one dimension, motion in a straight line; uniform motion; its graphical representation and formulae; speed and velocity; instantaneous velocity; uniformly accelerated motion; its position – time graph; velocity- time graph and formulae. Vectors and scalars; representation of vectors in two dimensions; unit vector; vector addition and multiplication; Resolution of vectors in two dimensions, unit vector, vector addition and multiplication; Resolution of vectors in plane; rectangular components; Scalar and vector products; Motion in dimensions; projectile motion; uniform circular motion.
Laws of Motion:
Force and inertia; first law of motion; Momentum; second law of motion; impulse; third law of motion; examples of third law; linear momentum; conservation of linear momentum; Equilibrium of concurrent forces; Static and kinetic friction; laws of friction; rolling friction; lubrication.
Work, Energy and Power:
Work done by constant force; kinetic and potential energy; power; work- energy principle; Spring Constant; gravitational potential energy; Conservation of energy; elastic collision in one dimension.
Centre of mass of a two- particle system; centre of mass of a rigid body; general motion of a rigid body; motion of centre of mass; nature of rotational motion; rotational motion of a single particle in two dimensions; Uniform circular motion and their examples; Torque; angular momentum; conservation of angular momentum; Moment of inertial and its physical significance.
Newton’s law of gravitation, universal gravitational constant “G”; acceleration due to gravity ‘g’ mass and density of the earth; inertial and gravitational mass; variation of ‘g’. gravitational potential energy near the earth surface; gravitational potential; orbital velocity; geostationary satellite.
Properties of Matter:
Inter atomic and inter molecular forces; states of matter; elastic properties of solids; Hooke’s law; Young’s modulus; bulk modulus and modulus of rigidity; Fluid pressure; Pascal’s law; buoyancy; floatation; Archimedes principle; Atmospheric pressure; Surface energy and surface tension; angle of contact; Capillary rise; Viscosity; Stokes law; streamline & turbulent flow; Reynolds’s number; Bernoulli theorem and its applications.
Heat and thermodynamics:
Kinetic theory of gases; pressure exerted by a Gas; kinetic energy & temperature; measurement of temperature; absolute temperature scale; Gas laws and Avogadro’s number ; specific heat of solids & liquids; latent heats of fusion & vaporization; transfer of heat
Oscillations and waves:
Periodic motion; simple harmonic motion; equation of simple harmonic motion; oscillations due to a spring mass system; simple pendulum; time period of a simple pendulum. Wave motion; speed of a wave; principle of superposition; reflection of wave; Standing waves in string (graphical representation only) sound wave and its propagation in different media; Effect of pressure and temperature on velocity of sound waves.
Frictional electricity; charges and their conservation; Coulomb’s law; electric field and potential due to a point charge; Dipole; its fields along with the axis; Concept of dielectric and dielectric constant; conductors and insulators; presence of free charges and bound charges inside a conductor; capacitance; parallel plate capacitor with air and dielectric medium between the plates; series and parallel combination of capacitors; energy stores in capacitor; van de graaff generator.
Electric current; Ohm’s law; resistivity of different materials; temperature dependence of resistance; resistances in series and parallel; Kirchoff’s law – illustrations by simple examples; wheatstone bridge and its applications for comparing emf of two cells and determination of internal resistance of a cell; Electric power and heating effects of current.
Magnetic effect of current:
Oersted’s experiment; force on a moving charge in a uniform magnetic field; force on a current carrying conductor and torque on current loop in a magnetic field; forces between two parallel current carrying conductor; definition of ampere; moving coil galvanometer and its conversion into ammeter and voltmeter.
Natural and man made magnets; properties of bar magnet; current loop as magnetic dipole; lines of force in a magnetic field; comparison of bar magnet and solenoid; Earth’s magnetic field; tangent galvanometer; vibration magnetometer; Electromagnets and permanent magnets.
Electromagnetic induction and alternating current:
Induced emf; Faraday’s laws; Lenz’s law; electromagnetic induction; self and mutual inductance
Ray Optics and Optical Instruments:
Sources of light; luminous intensity; luminous flux; reflection of light of plane and spherical surfaces; Curved mirrors; mirrors formula. Refraction of light; refractive index; total internal reflection; spherical lenses; thin lens formula; lens maker’s formula; magnification. Refraction and dispersion of light due to prism; Scattering of light in atmosphere; primary rainbow; optical instruments- simple and compound microscopes; refracting and reflecting telescopes.