PH25C01 Applied Physics – I – Semester I – CSBS – R-2025

Subject Code & Name: PH25C01 – Applied Physics – I

Regulation: R-2025

Semester: I (First Semester)

Branch: B.Tech. Computer Science and Business Systems (CSBS)

Credits / L-T-P: 3 Credits | L-T-P: 2-0-2

Course Objectives

• To impart knowledge and expose the essentials of physics in various engineering applications.

Full Unit-wise Syllabus

Unit I – Properties of Matter

Elasticity, Cantilever – Young’s modulus (non-uniform bending), Girders: Bridges and buildings, Viscosity: Stokes method – Surface tension: drop weight method, Thermal expansion, Thermal stress, Bimetallic strips, Expansion joints.

Practical: Non-Uniform bending, Young’s modulus of the material, Torsional pendulum, Rigidity modulus of the wire and moment of inertia of the disc.

Activities: Virtual demonstration of thermal stress.

Unit II – Oscillations

Simple Harmonic motion, Torsional pendulum, Couple per unit twist, Damped and Forced Oscillation.

Unit III – Waves

Waves on a stretched string, Energy and Power, standing waves, Ultrasonics, piezo-electric method, Acoustic grating, Electromagnetic waves: Maxwell equation, Production of EM waves by dipole antenna, Propagation of EM waves in free space, wave equation, Cell phone reception.

Practical: Melde’s string experiment, Frequency of an electrically vibrating metal tip.

Activities: Virtual demonstration of propagation of EM waves.

Unit IV – Quantum Mechanics

Black body radiation, Photoelectric effect, de Broglie hypothesis – Schrodinger Wave equation, Particle in a box (infinite potential well, three-dimensional box), Barrier penetration and quantum tunnelling.

Practical: Photo-electric effect – Determination of Planck’s constant.

Activities: Virtual demonstration of Scanning Transmission Electron Microscope.

Unit V – Applied Optics

Interference: Air wedge, Michelson’s Interferometer, Fiber optics: Structure of a fiber – Fiber Optic Communication System – Fiber Sensors (Virtual demo) – Displacement, pressure sensor and Temperature sensor – Einstein Co-efficient – Nd:YAG laser, CO2 laser (construction, functioning and applications), dye laser.

Practical: Ruling width of Compact disc using Laser, Thickness of a thin sheet/wire using Air wedge Method.

Activities: Demonstration of sensors and applications of Lasers.

Course Outcomes (COs)

• CO1: Explain the physics concepts in various applications.
• CO2: Apply the principles of wave optics and laser physics in practical systems.
• CO3: Analyse the behaviour of materials under different conditions.
• CO4: Conduct experiments in groups and interpret the data.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 50% | End Semester Examination 50%
• Internal methodology: Quiz (5%), Assignments (20%), Flipped Class (5%), Practical (30%), Internal Examinations (40%)

Source: Official Anna University – B.Tech. Computer Science and Business Systems R-2025 Syllabus
Last Updated: September 2026