Physics (Phy. 101)
Syllabus
Full marks: 75 (Pass marks: 24)
Course Contents:
Mechanics
Unit 1: Physical quantities
- Precision and significant figures. Dimensions and uses of dimensional analysis.
Unit 2: Vectors
- Triangle, parallelogram and polygon laws of vectors
- Resolution of vectors; Unit vectors
- Scalar and vector products.
Unit 3: Kinematics
- Instantaneous velocity and acceleration
- Relative velocity
- Equation of motion(graphical treatment)
- Motion of a freely falling body
- Projectile motion and its applications.
Unit 4: Dynamics
- Linear momentum, Impulse
- Conservation of linear momentum
- Application of Newton’s laws
- Moment, torque and equilibrium
- Solid friction: Laws of solid friction and their verifications.
Unit 5: Work, energy and power
- Work done by a constant force and a variable force
- Power
- Work-energy theorem; Kinetic and potential energy
- Conservation of Energy
- Conservative and non-conservative forces
- Elastic and inelastic collisions
Unit 6: Circular motion
- Angular displacement, velocity and acceleration
- Relation between angular and linear velocity and acceleration
- Centripetal acceleration
- Centripetal force
- Conical pendulum
- Motion in a vertical circle
- Applications of banking.
Unit 7: Gravitation
- Newton’s law of gravitation
- Gravitational field strength
- Gravitational potential; Gravitational potential energy
- Variation in value of ‘g’ due to altitude and depth
- Centre of mass and center of gravity
- Motion of a satellite: Orbital velocity and time period of the satellite
- Escape velocity
- Potential and kinetic energy of the satellite
- Geostationary satellite
- GPS
Unit 8: Elasticity
- Hooke’s law: Force constant
- Stress; Strain; Elasticity and plasticity
- Elastic modulus: Young modulus, bulk modulus, shear modulus
- Poisson’s ratio
- Elastic potential energy
Heat and Thermodynamics
Unit 9: Heat and temperature
- Molecular concept of thermal energy, heat and temperature, and cause and direction of heat flow
- Meaning of thermal equilibrium and Zeroth law of thermodynamics
- Thermal equilibrium as a working principle of mercury thermometer
Unit 10: Thermal expansion
- Linear expansion and its measurement
- Cubical expansion, superficial expansion and its relation with linear expansion
- Liquid Expansion: Absolute and apparent
- Dulong and Petit method of determining expansivity of liquid
Unit 11: Quantity of heat
- Newton’s law of cooling
- Measurement of specific heat capacity of solids and liquids
- Change of phases: Latent heat
- Specific latent heat of fusion and vaporization
- Measurement of specific latent heat of fusion and vaporization
- Triple point
Unit 12: Rate of heat flow
- Conduction: Thermal conductivity and measurement
- Convection
- Radiation: Ideal radiator
- Black- body radiation
- Stefan – Boltzmann law
Unit 13: Ideal gas
- Ideal gas equation
- Molecular properties of matter
- Kinetic-molecular model of an ideal gas
- Derivation of pressure exerted by gas
- Average translational kinetic energy of gas molecule
- Boltzmann constant, root mean square speed
- Heat capacities: gases and solids
Wave and optics
Unit 14: Reflection at curved mirror
- Real and Virtual images
- Mirror formula
Unit 15: Refraction at plane surfaces
- Laws of refraction: Refractive index
- Relation between refractive indices
- Lateral shift
- Total internal reflection
Unit 16: Refraction through prisms
- Minimum deviation condition
- Relation between Angle of prism, minimum deviation and refractive index
- Deviation in small angle prism.
Unit 17: Lenses
- Spherical lenses, angular magnification
- Lens maker’s formula
- Power of a lens
Unit 18: Dispersion
- Pure spectrum and dispersive power
- Chromatic and spherical aberration
- Achromatism and its applications
Electricity and Magnetism
Unit 19: Electric charges
- Electric charges
- Charging by induction
- Coulomb’s law- Force between two point charges
- Force between multiple electric charges
Unit 20: Electric field
- Electric field due to point charges; Field lines
- Gauss Law: Electric Flux
- Application of Gauss law: Field of a charge sphere, line charge, charged plane conductor
Unit 21: Potential, potential difference & potential energy
- Potential difference, Potential due to a point, Charge, potential energy, electron volt
- Equipotential lines and surfaces
- Potential gradient
Unit 22: Capacitor
- Capacitance and capacitor
- Parallel plate capacitor
- Combination of capacitors
- Energy of charged capacitor
- Effect of a dielectric Polarization and displacement
Unit 23: DC circuits
- Electric Currents; Drift velocity and its relation with current
- Ohm’s law; Electrical Resistance; Resistivity; Conductivity
- Current-voltage relations; Ohmic and Non-Ohmic resistance
- Resistances in series and parallel
- Potential divider
- Electromotive force of a source, internal resistance
- Work and power in electrical circuits
Modern physics
Unit 24: Nuclear physics
- Nucleus: Discovery of nucleus
- Nuclear density; Mass number; Atomic number
- Atomic mass; Isotopes
- Einstein’s mass-energy relation
- Mass Defect, packing fraction, BE per nucleon
- Creation and annihilation
- Nuclear fission and fusion, energy released
Unit 25: Solids
- Energy bands in solids (qualitative ideas)
- Difference between metals, insulators and semi-conductors using band theory
- Intrinsic and extrinsic semi-conductors
Unit 26: Recent Trends in physics
- Particle physics: Particles and antiparticles, Quarks (baryons and meson) and leptons (neutrinos)
- Universe: Big Bang and Hubble law: expansion of the Universe, Dark matter, Black Hole and gravitational wave