# Nerist NEE I 2015 Physics Syllabus

Category: Syllabus 21 0

### (a)Physics:

Measurement in Science and Technology: Measurements and Measurements systems; Historical developments in measurement science; The Modern measurement system; The International System of unit (SI); Maintenance of Standards of Measurements; Multiples and fractions; Indian national standards of measurements.

Structure of Atom: Fundamental Experiments and discharge tube and the discovery of the electron; Canal rays or positive rays; X-rays and radioactivity; Atomic nucleus; Structure of atom; discovery of the neutron; Atomic Number and atomic mass; isotopes.

Motion: Motion of living and non-living objects; Distance and displacement; Uniform and Non Uniform motion; Velocity; Non uniform motion and acceleration; Graphs and their uses; Uniform circular motion.

Gravitation: Universal law of gravitation; Motion of particles under gravity; Motion of a projectile; Mass and Weight; Geotropism

Work, Energy and Power: Work; work done when the force is not along the direction of motion; Energy; Power; transformation of Energy; Conservation of Energy.

Wave Motion and Sound: Simple Pendulum; Wave motion; Transverse and longitudinal waves; Graphical representation of simple harmonic waves characteristics of harmonic waves; Relation between wave velocity; frequency and wave length for a periodic; Nature and propagation of sound; speed of sound; Range of hearing in humans; Reflection of sound; practical applications of reflected sound; Echoes; Sonar and Application of Ultrasound.

Light Reflection and Refraction: Nature of light; reflection of light by mirrors- by plane mirror; spherical mirrors; new Cartesian sign convention for reflection by spherical mirrors and derivation of mirror formula; magnification; Refraction of light- the refractive index; reflection through a rectangular glass slab; refraction by spherical lenses; sign convention with spherical lenses- Lenses formula; power of lens; total internal reflection; some optical phenomena in nature; dispersion of white light by a glass prism; color of objects- primary colors of light and pigments.

Optical Instruments: The Human Eye; defects of vision and their correction; microscope and the astronomical telescope

Electricity, its heating and chemical effects: Electric charges and its properties; conductors and insulators; electric current – charges in motion; electric potential and potential difference; circuit diagram; Ohm’s law- resistance, resistivity, resistors in series and in parallel; heating effect of electric current- electric energy and electric power.

Magnetic Effects of Electric Current: Magnetic Field and field lines; magnetic field around a current carrying straight conductor; force of a current – carrying conductor in a magnetic field; electric motors; electromagnetic induction; electric generators; domestic electric circuits; the electric fuse- A safety device.

Nuclear Fission and Fusion: Nuclear reactions; Nuclear fission; Fission Products; Energy released in fission reactions; chain reactions; Theory of Nuclear Fission; Nuclear reactors; Nuclear hazards and safety measures.

The Universe: The Solar System- the sun, the terrestrial planets; the Jovian planets, asteroids, meteorites and comets. The Structure and evolution of the earth; the stars and constellations; Milky way galaxy and other galaxies; Space exploration-Space Program in India.