# BE/B.Tech First Year Physics Syllabus

Periods/week : 3 Periods & 1 Tut /week. Ses. : 30 Exam : 70

Examination (Practical): 3hrs. Credits: 4

**Thermodynamics **

Heat and work, First law of thermodynamics and applications, Reversible and irreversible process, Carnot cycle and efficiency, Entropy, Second law of thermodynamics, Entropy and disorder, Entropy and Probability, Third law of thermodynamics, Thermography and its applications.

**Electromagnetism **

Concept of electric field – Point charge in electric field, Dipole in an electric field, Gauss law, Some applications, Electric potential and field strength, Potential due to a point charge and dipole.

Magnetic field – Magnetic force on current, Torque on current loop, Hall effect, Ampere’s law, B near a long wire, B for a solenoid and toroid, The Biot-Savart’s law, B for a circular current loop.

Faraday’s law of induction, Lenz’s law, Calculation of inductance, L-R circuit, Energy stored in magnetic field, Induced magnetic fields, Displacement current, Energy density in electric and magnetic fields, Poynting vector S.

Maxwell’s equations and electromagnetic waves (both differential and integral forms), Magnetic properties of materials, Paramagnetism, Diamagnetism, Ferromagnetism, Ferrite and its applications.

**Optics **

Interference – Principles and superposition – Young’s experiment – Coherence – Interference of thin films, Wedge shaped film, Newton’s rings, Michelson interferometer and its applications.

Diffraction – Single slit (Qualitative and quantitative treatment).

Polarisation – Polarisation by reflection, Refraction and double refraction in uniaxial crystals, Nicol prism, Quarter and half wave plate, circular and elliptical polarization and detection.

**Lasers and Fibre Optics**

Spontaneous and stimulated emissions, population inversions, Ruby laser, Gas laser, Semiconductor laser, Applications of lasers.

Fibre optics, Optical fibre and total internal reflection, Acceptance angle and cone of a fibre, Fibre optics in communications, Optical parts in fibre, Fibre optic sensors.

**Ultrasonics**

Production of ultrasonics by magnetostriction and piezoelectric effects – Ultrasonics and diffraction pattern, Applications of Ultrasonics.

**Modern Physics**

The quantization of energy, Photoelectric effect, De Broglie concept of matter waves, uncertainty principle, Schrodinger wave equation, application to a particle in a box.

Elementary concepts of Maxwell-Boltzman, Bose-Einstein’s and Fermi dirac statics, Fermi dirac distribution function (no derivations), Free electron theory of metals, Band theory of solids, Kronig penny model, Metals, Insulators and Semiconductors, Ferroelectrics and their applications.

Super conductivity, Meisner effect, Types of superconductors and applications of superconductors.

Nanophase materials – Synthesis, Characterization of nanostructured materials, properties and applications.

Renewable Energies – Solar, Wind and tidal – Applications.

**Books Recommended:**

1. Engineering Physics by R.K. Gaur and S.D. Gupta

2. Physics by David Halliday and Robert Resnick – Part I and Part II

3. Modern Engineering Physics by A.S. Vadudeva

4. University Physics by Young and Freedman

5. Materials Science by V. Rajendra and A. Marikani

6. Nonconventional Energy by Ashoke V. Desai

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