Engg. Physics Lesson Plan

Andhra Loyola Institute of Engineering and Technology

VIJAYAWADA-520008.

Approved by AICTE, New Delhi and Affiliated to JNTU Kakinada.

(An ISO 9001: 2015 Certified Institution)

Department of Science & Humanities

Lesson Plan for a Day

Course Name: Engineering Physics                                                 Course Code: C103

Credits (L-T-P-C): 3-0-0-3                                                                  Subject Code: R19BS1108

Number of Students:                                                                         Program: First Year B.Tech ( Sem - I)

Name of Faculty: Y. Sudhakar                                                         Branch: MECH

 

Course Objectives

·       Impart concepts of mechanics required to identify forces and moments in mechanical systems by vector representation-extend Newton’s second law for inertial and non-inertial frames of reference- study different types of harmonic oscillatory motions

·       Tap the Simple harmonic motion and its adaptability for improved acoustic quality of concert halls- impart concepts of flaw detection techniques using ultrasonics.

·       Study the structure- property relationship exhibited by solid materials within the elastic limit.

·       Impart knowledge in basic concepts of LASERs along with its Engineering

applications- Familiarize types of sensors for various engineering applications

·       Explore the knowledge of magnetic and dielectric materials and their utility in

appliances.

 

 

 

 

 

 

Unit-1 Mechanics

Outcome:

The students will be able to

·       Identify forces and moments in mechanical systems using scalar and vector techniques

·       Extend Newton’s second law for inertial and non-inertial frame of reference

·       explain simple harmonic motion and damped harmonic motions

Knowledge Categories

1	Factual	Remembering the basics of vectors and scalars, force, newton’s mechanics and simple harmonic motion. Basic formulas of  differentiation and integration is needed
2	Conceptual	Understand the concepts of Forces, types of forces, newton’s laws, inertial frame of reference, forced oscillations and resonance. Newton’s laws
3	Procedural	Sequence of steps to obtain the equation for simple harmonic motion, damped harmonic motion. By using methods to obtain expression for forced oscillations
4	Applied	Assignments, Problem solving in SHM and conservative forces.

 

 

 

 

 

 

 

 

 

 

Schedule and Sequence:

  Day Plan for unit- 1 - Mechanics

   Total 8 hrs

Session/week/ Module -1 Total Classes -4	Topic	Objectives	Before Class - Videos, e-Books, Case studies	In-Class – Activities, Quiz (Micro teaching)	Post Class - Assignment, Discussion Forum
Day-1	Basic laws of vectors and scalars	To remember  about physical quantities	https://www.youtube.com/watch?v=ihNZlp7iUHE   Text Book: Engineering Mechanics by Manoj K Harbola, Cengage Publications 2nd eds	concept (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about direction and magnitude     Able to solve problems
Day-2	rotational frames-conservative and non conservative forces	To understand about types of forces	https://www.youtube.com/watch?v=N7DAqKuSCsk	Principles (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students differentiate about force fields
Day - 3	F=-grad U	To understand about force,  gradient and potential energy	https://www.youtube.com/watch?v=KSUegWyIcz4	Sequence of steps teaching (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand to get relations between concepts
Day - 4	Newton's Laws in inertial and linear accelerating non-inertial frames of reference	To understand about frames of reference	https://www.youtube.com/watch?v=4wHCnV2dPG0	Procedures (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about pseudo forces on objects
Day – 5	rotating frame of reference with constant angular velocity	To understand about frames with velocity	https://www.youtube.com/watch?v=wEAFF38Ud8k	Concepts (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about rotating frames
Day – 6	Harmonic oscillator	To understand about SHM	https://www.youtube.com/watch?v=kLWXLbciobw	Sequence of steps   (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand oscillator motion
Day – 7	damped harmonic motion	To understand about damping due to invisible forces	https://www.youtube.com/watch?v=h_xterl9XFU	Sequence of steps   (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand damped motions
Day – 8	Forced oscillations and resonance.	To make students understand about resonance and their factors	https://www.youtube.com/watch?v=hEYPjfYslLw	Sequence of steps   (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about resonance and quality factor     Assignment / test on LMS

 

 

 

 

 

Unit-2 ACOUSTICS & ULTRASONICS:

Outcome:

The students will be able to

·       explain how sound is propagated in buildings

·       analyse acoustic properties of typically used materials in buildings

·       recognize sound level disruptors and their use in architectural acoustics

·       Use of ultrasonic in flaw detection using NDT technique

Knowledge Categories

1	Factual	Remembering the basics related to sound waves, type of sound waves and their frequency ranges.
2	Conceptual	Understand the concepts related to sound and ultrasonic waves.
3	Procedural	Sequence of steps to obtain the Sabine’s formula, Methods for production of ultrasonic waves, Non-Destructive testing
4	Applied	Assignments, Problem solving related to Sabine’s formula and frequency of ultrasonic waves.

 

 

 

 

 

 

 

 

 

 

 

 

 

Schedule and Sequence:

  Day Plan for unit- 2 - ACOUSTICS & ULTRASONICS

   Total 11 hrs

Session/week/ Module -1 Total Classes -4	Topic	Objectives	Before Class - Videos, e-Books, Case studies	In-Class – Activities, Quiz (Micro teaching)	Post Class - Assignment, Discussion Forum
Day-1	Reverberation, Reverberation time	Reverberation time of different halls	https://www.youtube.com/watch?v=ihNZlp7iUHE   A text book of Engineering Physics by P G Kshirsagar & M N Avadhanulu, S Chand & company Ltd.	concept (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about reverberation time     Able to solve problems
Day-2	Sabine's formula (Derivation using growth and decay method)	To understand about Energy density	https://www.youtube.com/watch?v=N7DAqKuSCsk	Sequence of steps (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Parameters considered to obtain formula   Able to solve problems
Day - 3	absorption coefficient and its determination	To understand about absorption of materials	https://www.youtube.com/watch?v=KSUegWyIcz4	Sequence of steps teaching (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Different materials have different absorption coefficient   Able to solve problems
Day - 4	factors affecting acoustics of buildings and their remedies	To understand about factors that affect the  acoustics of hall	https://www.youtube.com/watch?v=4wHCnV2dPG0	Scientific methods (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Best Remedies to produce quality of sound
Day – 5	Production of ultrasonics by Magnetostriction method	To understand method to produce ultrasonic waves	https://www.youtube.com/watch?v=wEAFF38Ud8k	method (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand Production method   Able to solve problems
Day – 6	Production of ultrasonics piezoelectric method	To understand method to produce ultrasonic waves	https://www.youtube.com/watch?v=kLWXLbciobw	method  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand Production method   Able to solve problems
Day – 7	Detection of ultrasonics	To understand about detection of ultrasonic waves	https://www.youtube.com/watch?v=h_xterl9XFU	procedure  (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand Various methods
Day – 8	acoustic grating	To understand how ultrasonic waves diffracted	https://www.youtube.com/watch?v=hEYPjfYslLw	Method    (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand grating method
Day-9	Non-Destructive Testing-	To understand the modern tool of testing without damamge	https://www.youtube.com/watch?v=9qw0Dka_YcU	Experimental method and testing              (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand testing techniques
Day-10	pulse echo system through transmission and reflection modes	To understand method to detect flaws in given material	https://www.youtube.com/watch?v=aejy30G4zGI	Method    (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students should know what kind of methodology is implemented
Day-11	Applications	to understand the scientific , industrial, medical applications of ultrasonic waves .	https://www.youtube.com/watch?v=Ix_UTT44jAg	applications (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about various applications     Assignment / test on LMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit-3 ELASTICITY

Outcome:

The students will be able to

·        Understand the elasticity and plasticity concepts

·        Study different types of moduli and their relation

·        Analyze the concepts of shearing force and moment of inertia

Knowledge Categories

 

1	Factual	Remembering the basics related to stress and strain, elastic moduli
2	Conceptual	Understand the concept of Hooks law and relation between moduli
3	Procedural	Sequence of steps need to obtain the formulas between three moduli, young’s modulus, Shear stress.
4	Applied	Assignments, Problem solving related to elasticity

 

Schedule and Sequence:

  Day Plan for unit- 3 - ELASTICITY

   Total 6 hrs

Session/week/ Module -1 Total Classes -4	Topic	Objectives	Before Class - Videos, e-Books, Case studies	In-Class – Activities, Quiz (Micro teaching)	Post Class - Assignment, Discussion Forum
Day-1	Stress, Strain, Hooke's Law, Stress Strain Curve	To remember  about few concepts	https://www.youtube.com/watch?v=zc3b6LdDFtY   Text Book: Engineering Mechanics by Manoj K Harbola, Cengage Publications 2nd eds	concept (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand elasticity     Able to solve problems
Day-2	Generalized Hooke's law with and without thermal strains for isotropic materials	To understand about hooke’s law	https://www.youtube.com/watch?v=UDMNrUt-0cE	Principles (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about isotropic materials
Day - 3	Different types of moduli and their relations	To understand about Y,K,	https://www.youtube.com/watch?v=jRvxPv29ISA	Sequence of steps teaching (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand moduli   Able to solve problems
Day - 4	Bending of beams	To understand about bending in solids	https://www.youtube.com/watch?v=ITuWnrl3aKI	Procedures, Sequence of steps    (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand bending and their factors   Able to solve problems
Day – 5	Bending moment of a beam	To understand about moment	https://www.youtube.com/watch?v=ITuWnrl3aKI	Concepts (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about moment   Able to solve problems
Day – 6	Depression of Cantilever	To understand about depression at one end fixed	https://www.youtube.com/watch?v=90d6Fh8TP_0	Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand depression and their factors   Assignment / test on LMS

Unit-4 LASERS & SENSORS

Outcome:

The students will be able to

·       Understand the basic concepts of LASER light Sources

·       Study Different types of laser systems

·       Identify different types of sensors and their working principles

Knowledge Categories

1	Factual	Remembering the basics related to ordinary light and laser light.
2	Conceptual	Understand the concept of emission and absorption, sensors. Principle involved in detectors.
3	Procedural	Sequence of steps need to obtain the expression in Einstein equations, methods to produce laser light.
4	Applied	Assignments,

 

Schedule and Sequence:

  Day Plan for unit- 4 - LASERS & SENSORS

   Total 10 hrs

Session/week/ Module -1 Total Classes -4	Topic	Objectives	Before Class - Videos, e-Books, Case studies	In-Class – Activities, Quiz (Micro teaching)	Post Class - Assignment, Discussion Forum
Day-1	Characteristics Spontaneous and Stimulated emission of radiation	To remember  about atomic spectra	https://www.youtube.com/watch?v=zJw_3m7pe74  Sensor and Transducers by  Ian R Sinclair Elsevier (Newnes) 3rd Eds.	concept (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand special properties of laser beam
Day-2	Einstein's coefficients & Relation between them and their significance	To understand about emission and absorption	https://www.youtube.com/watch?v=4TOvjtovRXY	Principles (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand the transitions between the levels
Day - 3	population inversion - Pumping Mechanisms	To understand about Boltzmann principle	https://www.youtube.com/watch?v=ADpmJppu83Q   https://www.youtube.com/watch?v=v4HHuYmRDec	Sequence of steps teaching (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand no of atoms per unit volume
Day - 4	Ruby laser	To understand about method to produce laser light	https://www.youtube.com/watch?v=hjzJ2S-Ahi8	Principle, method  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand method to produce red laser light
Day – 5	Helium Neon laser	To understand about method to produce laser light	https://www.youtube.com/watch?v=X5_BP0odPTg	Principle, method (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand method to produce laser light with different wavelengths
Day – 6	Applications	To understand various applications	https://www.youtube.com/watch?v=8VljkMyLJ2g	Applications   (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand various applications
Day – 7	Different types of sensors and applications;	To understand about sensors	https://www.youtube.com/watch?v=XI49uFm5HRE	Applications (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand sensor in daily life
Day – 8	Strain and Pressure sensors-	To understand about sensors	https://www.youtube.com/watch?v=eYmLb_jrrto	sensors (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand mechanical and pressure sensors
Day-9	Piezoelectric, magnetostrictive sensors	To understand about sensors	https://www.youtube.com/watch?v=QaNDC44ADHY	Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand Usage of sensor
Day-10	Temperature sensor, bimetallic strip, pyroelectric detectors	To understand about sensors	https://www.youtube.com/watch?v=Skw4Hz5EPpc	Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand various type of detectors   Assignment / test on LMS

 

 

 

 

 

 

 

 

 

 

 

 

Unit-5 MAGNETISM & DIELECTRICS

Outcome:

The students will be able to

·       explain the concept of dielectric constant and polarization in dielectric materials.

·       summarize various types of polarization of dielectrics.

·       interpret Lorentz field and Claussius_Mosotti relation in dielectrics.

·       classify the magnetic materials based on susceptibility and their temperature dependence.

·       explain the applications of dielectric and magnetic materials.

·       Apply the concept of magnetism to magnetic devices.

Knowledge Categories

1	Factual	Remembering the basics related to magnetism, insulators in macroscopic level
2	Conceptual	Understand the concept of  domain, Weiss, Bohr, lorentz theories
3	Procedural	Sequence of steps need to obtain the expression in magnetism and dielectrics
4	Applied	Assignments, Problem solving related to magnetism and dielectrics

 

Schedule and Sequence:

  Day Plan for unit- 5 - MAGNETISM & DIELECTRICS

   Total 11 hrs

Session/week/ Module -1 Total Classes -4	Topic	Objectives	Before Class - Videos, e-Books, Case studies	In-Class – Activities, Quiz (Micro teaching)	Post Class - Assignment, Discussion Forum
Day-1	Introduction Magnetic dipole moment Magnetization- Magnetic susceptibility and permeability	To remember  about basics of magnetism	https://www.youtube.com/watch?v=YGAiq9-QPWE A text book of Engineering Physics by P G Kshirsagar & M N Avadhanulu, S Chand & company Ltd.	concept (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand magnetic materials     Able to solve problems
Day-2	Origin of permanent magnetic moment-Bohr Magneton	To understand how magnetism developed	https://www.youtube.com/watch?v=WwAtd6vj1c8	Principles (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand origin of magnetic moment
Day - 3	Classification of magnetic materials (Dia, Para and Ferro)	To understand about presence of magnetic dipoles	https://www.youtube.com/watch?v=1xFRtdN5IJA	phenomenon (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand nature of dipoles
Day - 4	Domain concept of Ferromagnetism	To understand about permanent dipoles	https://www.youtube.com/watch?v=YcvccsSHnkc	concepts (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand concept of domains
Day – 5	Hysteresis soft and hard magnetic materials	To understand about loops in ferromagnetic materials	https://www.youtube.com/watch?v=qNVWdI79FN4	Concepts (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about ferromagnetic nature
Day – 6	Applications of Ferromagnetic materials.	To understand about temporary and permanent magnetic materials	https://www.youtube.com/watch?v=YcvccsSHnkc	applications (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand Weiss theory
Day – 7	Dielectric polarization Dielectric polarizability, Susceptibility and Dielectric constant	To understand about damping due to invisible forces	https://www.youtube.com/watch?v=FfJZIAVSN20	concept (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand About dielectric materials Able to solve problems
Day – 8	types of polarizations: Electronic and Ionic (Quantitative), Orientational polarizations (qualitative)	To make students understand about resonance and their factors	https://www.youtube.com/watch?v=5e_RBvSj0TE	Concept, sequence of steps (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand polarisation depends on electric filed   Able to solve problems
Day-9	Lorentz internal field Claussius_Mossoti equation	To make students understand about fields developed between atoms	https://www.youtube.com/watch?v=2e1LqtFf_oU	Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand internal fields in solids Able to solve problems
Day-10	Frequency dependence of polarization	To make students understand AC and DC fields	https://www.youtube.com/watch?v=tErQDwN-qVs	concept  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand AC fields in dielectrics
Day-11	Applications of dielectrics	To make students understand various applications	https://www.youtube.com/watch?v=R5ecGEVXtUQ	application (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand various applications   Assignment / test on LMS