Engineering
Physics I
EG 1104 SH
Total: 6 hour /week Year: I Lecture:
3 hours/week Semester: I Tutorial:
1 hours/week
Practical: hours/week
Lab:
2 hours/week Course
Description:
This subject consists of four units related to mechanics,
heat and thermodynamics, optics, and magnetism necessary to develop background
in physics that supports for the understanding and practicing the related
engineering works.
Course Objectives:
After the completion of this
course, students will be able to explain the basic concepts related to the
followings and apply them in the field of the related engineering area.
1. Mechanics.
2. Heat
and thermodynamics.
3. Optics.
4. Magnetism.
Course
Contents:
Unit
1. Mechanics: [15]
1.1
Basic units and measurements:
§ Measurement
of physical quantities
§ Introductory
ideas about dimensions of physical quantities.
§ Scalar
and Vector: definitions and examples,
dot and cross product of two vectors
§ Composition
and resolution of vectors (Triangle law and parallelogram law of vectors)
1.2 Newton’s
laws of motion:
§ Newton’s
laws of motion (First, second and third laws)
§ Principle
of conservation of linear momentum
§ Solid
friction: Dynamic and rolling friction, laws of solid friction and its
verification
1.3.
Uniform circular motion:
§ Angular
displacement and velocity.
§ Centripetal
force and acceleration.
§ Motion
of bicycle rider
1.4.
Gravitation:
§ Newton’s
law of universal gravitation. § Gravitational attraction of earth:
§ Acceleration
due to gravity.
§ Variation
of acceleration due to gravity with height, depth, and latitude.
§ Motion
of satellites:
•
Orbital velocity,
•
Geostationary satellites.
§ Weightlessness,
motion of lift
1.5.
Work, energy, and power:
§ Definition
and units of work, energy and power.
§ Potential
and kinetic energy.
§ Conservation
of energy. § Conservative
forces.
1.6.
Simple harmonic motion (SHM):
§ Simple
harmonic motion and its characteristics.
§ Energy
of simple harmonic motion. § Simple pendulum.
1.7.
Equilibrium and rotation of rigid
bodies:
§ Forces
in equilibrium, torque, couple, C.G. and center of mass.
§ Moment
of inertia. § Angular
momentum and § Its
conservation.
§ Work
done by torque.
Unit
2. Heat and thermodynamics: [12]
2.1
Heat Phenomena and Quantity of Heat:
§ Concept
of temperature and thermal equilibrium.
§ Temperature
of scales.
§ Quantity
of heat gain or heat loss.
§ Specific
heat capacity.
§ Determination
of heat capacity by the method of mixtures. § Newton's
law of cooling.
2.2
Change of Phase:
§ States
of matter.
§ Fusion
and vaporization.
§ Evaporation
and boiling.
§ Specific
latent heats of fusion and vaporization.
§ Melting
and boiling points.
§ Introduction
of Saturated and unsaturated vapors.
§ Variation
of melting and boiling points with
pressure.
§ Triple
point and critical point. § Dew point and humidity.
2.3
Thermal Expansion:
§ Coefficients
of linear, superficial and cubical expansions of solid and relation between
them.
§ Cubical
expansion of liquids.
§ Real
and apparent expansions.
§ Variation
of density due to expansion.
2.4
Heat Transfer:
§ Thermal
conduction and thermal conductivity
§ Convection
§ Radiation.
§ Perfectly
black body.
§ Stefan-Boltzman’s
law of black body radiation.
2.5
Gas Laws:
§ Boyle’s
law,
§ Charles
law and ideal gas equation.
§ Universal
gas constant,
§ Avogadro
number and Boltzman constant.
§ Volume
and pressure coefficients of ideal gas.
2.6
Kinetic Theory of Gases:
§ Pressure
in an ideal gas from molecular point of view.
§ RMS
speed, mean energy of a molecule of an ideal gas.
2.7
Thermodynamics:
§ First
law of thermodynamics.
§ Different
thermodynamic process:
•
Adiabatic (equation and work done)
•
isothermal (equation and work done)
•
Isobaric and Isochoric
§ Specific
and molar heat capacities for different thermodynamic processes, Cp-Cv =R.
§ Second
law of thermodynamics.
§ Efficiency
of heat engine
Unit
3. Optics: [8]
3.1
Reflection by plane surfaces
§ Nature
of light, sources of light
§ Review
of reflection by plane surfaces
§ Deviation
due to reflection
Deviation of light
due to plane mirror Deviation of
light due to rotating mirror
3.2
Refraction by plane Surfaces:
§ Review
of refraction by plane surfaces. § Lateral shift
§ Total
internal reflection, critical angle § Real
and apparent depth.
3.3
Reflection by Spherical Surfaces:
§ Review
of reflection by spherical surfaces.
§ Construction
of image by ray diagrams and nature of images
§ Real and virtual images.
§ Nature
of images formed by spherical mirrors.
§ Mirror
formula for concave and convex mirror
3.4
Refraction through Prisms and
Lenses:
§ Deviation
due to prism and minimum deviation.
§ Refraction
through lenses.
§ Lens
maker equation.
§ Lens
formula for converging lens, diverging lens
§ Formation
of images by lenses.
§ Combination
of lenses. § Magnification,
§ Power
of a lens.
Unit
4. Magnetism: [10]
4.1
Magnets and Magnetic fields:
§ Magnetic
poles, magnetic moment, magnetic axis, and magnetic meridian. § Magnetic field.
§ Coulomb’s
law for magnetism.
§ Magnetic
field due to magnetic poles and bar magnets.
§ Intensity
and flux density of magnetic field.
§ Neutral
point. § Tangent law.
4.2.
Earth’s Magnetism:
§ Horizontal
and vertical components of earth’s magnetic field. § Declination
and angle of dip.
4.3.
Magnetic properties of materials;
§ Molecular
and modern theory of magnetism.
§ Para
magnetism and diamagnetism: Permeability and
Susceptibility.
§ Intensity
of magnetization.
§ Domain
theory of ferromagnetism.
§ Hysterisis
Engineering
Physics Practical I [30]
1.
Determine volume of hallow cylinder by using
vernier calipers.
2.
Determine density of a steel / glass ball by
using screw gauge.
3.
Determine thickness of glass plate using
spherometer and calculate the area by using millimeter graph paper.
4.
Determine the acceleration due to gravity by
using simple pendulum.
5.
Determine the magnetic movement of a bar magnet
by using deflection magnetometer.
6.
Determine the refractive index of the material
of prism.
7.
Determine specific heat capacity of solid by the
method of mixtures.
8.
Determine specific latent heat of ice by the
method of mixtures.
9.
Determine specific gravity of different solids
by up thrust method.
10. Determine
focal length of a converging lens by displacement method.
Textbooks
1. Advanced
level physics by Nelkon and Parker
2. A
textbook of physics, part I and part II by Gupta and Pradhan
3. Numerical
problems in Engineering Physics for Diploma in Engineering I & II, Pankaj
Sharma Ghimire & Krishna Shrestha, S.K. Books, Dhapasi, Kathmandu
4. Engineering
Physics I, Diploma in Engineering (first Year, First part) by Dhan Prasad
Poudyal, Khemnath Poudyal, Suresh Prasad Gupta, Binaya Devkota, Laxmi Pustak
Bhandar
5. Physics
Practical Guide by U.P. Shrestha, RPB
References:
1. References
to be selected by the related lecturer(s) from among the texts available in the
market that meet the content needs of this subject
2. The
related institute may develop its own textbook and approve from the related
authority so as to have a prescribed textbook of this subject.
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