Engineering Physics Micro Lesson Plan 2020-2021

 

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: K. Pandurangarao                   Branch: CE

 

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	Rememberingthe 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 2ndeds	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   Discussion Forum
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   Discussion Forum
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   Discussion Forum
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   Discussion Forum
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   Discussion Forum
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   Discussion Forum
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   Discussion Forum
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   Discussion Forum   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	Rememberingthe 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	To remember  about physical quantities	https://www.youtube.com/watch?v=ihNZlp7iUHE   Text Book: Engineering Mechanics by Manoj K Harbola, Cengage Publications 2ndeds	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   Discussion Forum
Day-2	Sabine's formula (Derivation using growth and decay method)	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   Discussion Forum
Day -3	absorption coefficient and its determination	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   Discussion Forum
Day - 4	factors affecting acoustics of buildings and their remedies	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   Discussion Forum
Day – 5	Production of ultrasonics by Magnetostriction method	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   Discussion Forum
Day – 6	Production of ultrasonics piezoelectric method	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   Discussion Forum
Day – 7	Detection of ultrasonics	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   Discussion Forum
Day – 8	acoustic grating	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 damped motions   Discussion Forum
Day-9	Non-Destructive Testing-				Learning outcome   Students understand damped motions   Discussion Forum
Day-10	pulse echo system through transmission and reflection modes				Learning outcome   Students understand damped motions   Discussion Forum
Day-11	Applications				Learning outcome   Students understand about resonance and quality factor   Discussion Forum   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	Rememberingthe 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 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 physical quantities	https://www.youtube.com/watch?v=ihNZlp7iUHE   Text Book: Engineering Mechanics by Manoj K Harbola, Cengage Publications 2ndeds	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   Discussion Forum
Day-2	Generalized Hooke's law with and without thermal strains for isotropic materials	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   Discussion Forum
Day -3	Different types of moduli and their relations	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   Discussion Forum
Day - 4	Bending of beams	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   Discussion Forum
Day – 5	Bending moment of a beam	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   Discussion Forum
Day – 6	Depression of Cantilever	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 about resonance and quality factor   Discussion Forum   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 absorption and emission process Basics of sensors
2	Conceptual	Understand the concept of stimulated radiation, meta stable state, population inversion and lasing action. Different types of sensors and design of a sensor
3	Procedural	Sequence of steps need to construct a solid/ liquid/ gaseous/ semiconductor laser and construction of strain and pressure sensors and temperature sensors.
4	Applied	Applications of Lasers in different fields, Assignments, and problem solving.

 

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 physical quantities		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   Discussion Forum
Day-2	Einstein's coefficients & Relation between them and their significance	To understand about types of forces		Principles (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students differentiate about force fields   Discussion Forum
Day -3	population inversion - Pumping Mechanisms	To understand about force,  gradient and potential energy		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   Discussion Forum
Day - 4	Ruby laser	To understand about frames of reference		Procedures (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about pseudo forces on objects   Discussion Forum
Day – 5	Helium Neon laser	To understand about frames with velocity		Concepts (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about rotating frames   Discussion Forum
Day – 6	Applications	To understand about SHM		Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand oscillator motion   Discussion Forum
Day – 7	Different types of sensors and applications;	To understand about damping due to invisible forces		Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand damped motions   Discussion Forum
Day – 8	Strain and Pressure sensors-	To make students understand about resonance and their factors		Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about resonance and quality factor   Discussion Forum
Day-9	Piezoelectric, magnetostrictive sensors			Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about rotating frames   Discussion Forum
Day-10	Temperature sensor, bimetallic strip, pyroelectric detectors			Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about resonance and quality factor   Discussion Forum   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	Basics of different types of magnetic materials and basics of dielectrics. Basic definitions of magnetism and dielectrics.
2	Conceptual	Concept of origin of magnetic moment and classification of magnetic materials and domain theory. Origin of different types of polarization in dielectrics.
3	Procedural	Hysteresis exhibited by ferromagnetic materials Calculation of Lorentz filed and clausius- mossotti equation.
4	Applied	Application of Magnetic and Dielectric materials, Assignments and solving examples.

 

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 physical quantities		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   Discussion Forum
Day-2	Origin of permanent magnetic moment-Bohr Magneton	To understand about types of forces		Principles (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students differentiate about force fields   Discussion Forum
Day -3	Classification of magnetic materials (Dia, Para and Ferro)	To understand about force,  gradient and potential energy		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   Discussion Forum
Day - 4	Domain concept of Ferromagnetism	To understand about frames of reference		Procedures (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about pseudo forces on objects   Discussion Forum
Day – 5	Hysteresis soft and hard magnetic materials	To understand about frames with velocity		Concepts (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about rotating frames   Discussion Forum
Day – 6	Applications of Ferromagnetic materials.	To understand about SHM		Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand oscillator motion   Discussion Forum
Day – 7	Dielectric polarization Dielectric polarizability, Susceptibility and Dielectric constant	To understand about damping due to invisible forces		Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions  (15 min)	Learning outcome   Students understand damped motions   Discussion Forum
Day – 8	types of polarizations: Electronic and Ionic (Quantitative), Orientational polarizations (qualitative)	To make students understand about resonance and their factors		Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand damped motions   Discussion Forum
Day-9	Lorentz internal field Claussius_Mossoti equation			Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand damped motions   Discussion Forum
Day-10	Frequency dependence of polarization			Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand damped motions   Discussion Forum
Day-11	Applications of dielectrics			Sequence of steps  (30 mins)   Video (15 min)   Recap key concepts and questions (15 min)	Learning outcome   Students understand about resonance and quality factor   Discussion Forum   Assignment / test on LMS