ENGINEERING PHYSICS
(Common to CHEMICAL, CIVIL, MECHANICAL and MECHANICAL
(ROBOTICS))
Course Code: 22BP1103 L T P C
3 0 0 3
Course Outcomes: At the end of the Course the student shall be able to
CO1: Apply laws of mechanics to solve engineering problems (L3)
CO2: Apply the principles of acoustics for noise reduction (L3)
CO3: Develop the relationship between elastic constants (L3)
CO4: Classify various modes of heat transfer and find thermal conductivityof a material (L4)
CO5: Identify the sensors for various engineering applications and explain the
preparation and uses of nanomaterials (L3)
UNIT-I: MECHANICS 12 Lectures
Basic laws of vectors and scalars, conservative forces- F = -grad V, torque and angular
momentum - Newton’s laws in inertial and linearly accelerating non-inertial frames of
reference-rotating frame of reference with constant angular velocity-concept of pseudo
forces (Centrifugal and Coriolis forces)- qualitative explanation of Foucault’s pendulum-
rigid body-angular velocity vector-moment of inertia tensor, ex: rod executing conical
motion with fixed centre of mass- gravitation and Kepler’s laws.
Text Book 1: Sec: 1.5 to 1.7, 5.11 (note 5.2), 7.5, 4.4, 2.10, Chapter 9 (example-9.11),
8.6, 8.6.1, Chapter-7 (example 7.9), Chapter 2 (example 2.10), 10.1;
Text Book 2: Sec: 15.2, 15.3, 15.3.1, 15.3.2.
Learning Outcomes: The students will be able to
1. Identify forces and moments in mechanical systems using scalar and vector techniques
(L3)
2. Apply Newton’s second law for inertial and non-inertial frames of reference (L3)
3. Explain the effect of the Earth’s rotation on the formation and movement of winds (L2)
UNIT-II: ACOUSTICS AND ULTRASONICS 10 Lectures
Classification of sound-Weber-Fechner law-decibel-Reverberation and reverberation time
Sabine’s formula-Derivation using growth and decay method-Absorption coefficient-
definition and its determination-factors affecting acoustics of buildings and their
remedies (Shape of the auditorium, Reverberation time and seating arrangement).
Introduction of ultrasonics-Production of ultrasonics by magnetostriction and
piezoelectric methods- Acoustic grating- Applications-Non Destructive Testing using
ultrasonics-Sonogram.
Text Book 3: Sec:13.3, 13.4.4, 13.5, 13.9.1.1, 13.16, 13.17, 13.18, 13.13, 13.14, 13.20
(iv, vi, vii), 14.1, 14.4.2.1, 14.4.3.1, 14.8.2, 14.12.1
Learning Outcomes: The students will be able to
1. Explain the sound propagation in buildings (L2)
2. Interpret the properties of materials for building acoustics (L2)
3. Demonstrate the production of ultrasonics for various applications (L2)
UNIT-III: ELASTICITY 09 Lectures
Stress, Strain, Hooke’s Law- Stress-Strain diagram, Generalized Hooke’s law- different
types of moduli of elasticity and their relations- bending of beams- Bending Moment of a
Beam- Depression of cantilever- Young’s modulus by uniform bending.
Text Book 3: Sec: 2.3, 2.3.1, 2.3.2, 2.4, 2.5, 2.5. 1-3, 2.6, 2.7, 2.10, 2.10.1-3, 2.12,
2.12.1, 2.12.2, 2.12.5
Learning Outcomes: The students will be able to
1. Interpret the stress and strain curve (L2)
2. Develop the relationship between elastic constants (L2)
3. Identify various methods to determine Young's Modulus of a material (L3)
UNIT-IV: HEAT TRANSFER 08 Lectures
Transfer of heat-Thermal conduction, convection and radiation and their Fundamental
Laws (Newton’s Law of Cooling, Stefan-Boltzmann law and Wien’s law)- Thermal
expansion of solids and liquids-Heat Conduction in solids-Thermal Conductivity-Lee’s
method (bad conductor)-Heat conduction through compound media
Text Book 3: Sec: 16.1, 16.2, 16.3, 16.4.2, 16.5.2, 16.7
Learning Outcomes: The students will be able to
1. Identify the different modes of heat transfer (L3)
2. Explain various laws of thermal radiation (L2)
3. Demonstrate the coefficient of thermal conductivity of a bad conductor. (L3)
UNIT-V: SENSORS AND NANOMATERIALS 11 Lectures
Sensors:(qualitative description only): Classification of sensors, Strain and Pressure
sensors-Piezoelectric, magnetostrictive sensors, Fibre optic methods of pressure sensing;
Temperature sensor- Thermocouple, bimetallic strip, pyroelectric detectors, Hall-effect
sensor, smoke and fire detectors.
Basics of Nanomaterials-Top-down and bottom-up approaches-Preparation- ball milling
and Sol-gel, Carbon nanotubes-Applications of Nanomaterials (better insulating
materials, elimination of pollutants, high energy density batteries, nanomachines and
nanodevices).
Text Book 4: Sec: 1.1, 1.2, 1.3, 4.2,4.4, 4.8, 7.11
Text Book 3: Sec: 49.3, 49.5.1(iii), 49.5.2 (iv), 49.9, 49.17(ii, v, viii xiv)
Learning Outcomes: The students will be able to
1. Explain the physics behind the working of a sensor (L2)
2. Illustrate the basic preparation methods of nanomaterials (L2)
3. Identify the applications of nanomaterials in various fields (L3)
Text Books:
1. D. Kleppner and R. Kolenkow, An Introduction to Mechanics, 2nd Edition,
Cambridge University Press, 2014.
2. M. K. Harbola, Engineering Mechanics, Fourth Edition, Cengage Learning India Pvt.
Ltd, 2011.
3. M. N. Avadhanulu, P. G. Khirsagar, and T. V. S. Arun Murthy, A textbook of
Engineering Physics, Revised edition (11e), S. Chand and Company Ltd., 2019.
4. I. R. Sinclair, Sensor and Transducers, 3rd Edition, Elsevier (Newnes), 2001.
Reference Books:
1. S. P. Timoshenko and J. N. Goodier, Theory of Elasticity, Third Edition, Tata Mc
Graw Hill, 2010.
2. R. K. Gaur and S. L. Gupta, Engineering Physics, Fourth Revised Edition, Dhanpat
Rai Publications,
2014.
3. Jacob Fraden, Handbook of Modern Sensors, 3rd Edition, Springer Verlag Newyork
Inc., 2004.
Web References:
https://www.youtube.com/watch?v=JAzg4mPVEe4
https://nptel.ac.in/courses/115/107/115107122/
https://nptel.ac.in/courses/115/104/115104094/
https://nptel.ac.in/courses/115/101/115101011/
https://nptel.ac.in/courses/112/103/112103297/
https://www.youtube.com/watch?v=ebO38bbq0_4
