Tuesday, March 27, 2012

PHYSICS AND MATERIAL SCIENCE

i)  Mechanics, Heat and Sound
Vectors – equilibrium – moment of a force – Newton’s laws of motion – gravitation – work – energy – power – Impulse and momentum – collisions – recoil.  Thermometry of thermal expansion – calorimetry and specific heats – transfer for heat – thermal process of matter – Law and processes of thermodynamics – Applications. Travelling waves – oscillations – spring - simple pendulum – forced oscillations – resonance – sound waves -Acoustic Phenomena and its applications- Doppler effect.
ii)    Light and Properties of matter :
 The nature and propagation of light – reflection of refraction at plane surfaces – interference – diffraction – polarization. Elasticity – Stress-strain diagram –hydrostatics – Pressure in a fluid – Pumps – Archimede’s principle – Surface tension – Contact angle - Capillarity – hydrodynamics – Bernoulli’s equation – Applications and viscosity – Poiseuille’s law - Stokes law – Reynolds number.
iii)   Electricity and Magnetism
Coloumb’s law – Gauss’s law – Applications – electrostatic potential -capacitors – dielectrics – current – resistance – emf – Kirchoff’s law – thermo electric effect – applications.Magnetism – magnetic effects of current – motion of charge particles in magnetic field – cyclotron -magnetic forces on current carrying conductor – Hall effect –electromagnetic induction -Faraday’s law -Lenz’s law – eddy current – Inductance – mutual and self inductance – magnetic properties of matters -diamagnetism – paramagnetism – ferromagnetism – domains- Hysteresis – alternating current – circuits containing resistance, inductance or capacitance – transformer.
iv)   Modern physics
Emission and absorption of light – thermionic emission – photoelectric effect -atomic spectra – atom models – molecular spectra – dual nature of matter and radiation – nuclear structure – properties – natural radioactivity – nuclear stability – nuclear reactions – fission – fusion -fundamental particles – high energy physics.
v)  Solid State Electronics
Structure and bonding in solids – properties of solids – semiconductors -intrinsic – extrinsic – PN junction – diode characteristics – Zener diode – LED, laser diode – Photodiode -Transistor – action and characteristics – amplifier – oscillator – basic logic gates.
vi)   Electron theory of solids
Classical free electron theory – density of states- electron in a periodic potential – origin of energy band gap – electrical conductivity – thermal conductivity – Widemann-Franz law
vii)Dielectric and magnetic materials
Different types of polarization – Internal field – Clausius-Mosotti equation- dielectric breakdown- applications of dielectric materials – Different types of magnetic materials – domain theory of ferromagnetism – hysteresis – hard and soft magnetic materials- applications of magnetic materials.
viii)   Superconducting materials
General properties of superconducting materials – Meissner effect - types of superconductors – Hi Tc superconductors- applications
ix) Nano materials
Preparation – properties – applications – Carbon nano tubes.
X)  General Physics
Sound – Latices – Ultrasonic flaw detector – X-ray radiography – Interference Fringes -Planck’s quantum theory – Laser and Fibre Optics.