All Materials regarding to B.tech R-20 in Common 1st Year 1st Semester Engineering Physics unit wise available.
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| Common 1-1 Engineering Physics | ||
|---|---|---|
| Chapters / Units | Download Link | |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
Common 1-1 Engineering Physics important Topics and Questions
Unit-I:
Wave Optics 12hrs
Interference: Principle of superposition –Interference of light - Interference in thin films (Reflection
Geometry) & applications -Colors in thin films- Newton’s Rings- Determination of wavelength and
refractive index.
Diffraction: Introduction - Fresnel and Fraunhofer diffraction - Fraunhofer diffraction due to single
slit, double slit - N-slits(Qualitative) – Grating - Dispersive power and resolving power of
Grating(Qualitative).
Polarization: Introduction-Types of polarization - Polarization by reflection, refraction and Double
refraction - Nicol’s Prism -Half wave and Quarter wave plates.
Unit-II:
Lasers and Fiber optics 10hrs
Lasers: Introduction – Characteristics of laser – Spontaneous and Stimulated emissions of radiation –
Einstein’s coefficients – Population inversion –Lasing action- Pumping mechanisms – Ruby laser –
He-Ne laser - Applications of lasers.
Fiber optics: Introduction –Principle of optical fiber- Acceptance Angle-Numerical Aperture-
Classification of optical fibers based on refractive index profile and modes –Propagation of
electromagnetic wave through optical fibers - Applications.
UNIT III:
Engineering Materials 8hrs
Dielectric Materials: Introduction - Dielectric polarization - Dielectric polarizability, Susceptibility
and Dielectric constant - Types of polarizations- Electronic (Quantitative), Ionic (Quantitative) and
Orientation polarizations (Qualitative) - Lorentz internal field- Clausius-Mossotti equation-
Piezoelectricity.
Magnetic Materials: Introduction - Magnetic dipole moment - Magnetization-Magnetic
susceptibility and permeability - Origin of permanent magnetic moment - Classification of magnetic
materials: Dia, para, Ferro, antiferro & Ferrimagnetic materials - Domain concept for
Ferromagnetism & Domain walls (Qualitative) - Hysteresis - soft and hard magnetic materials- Eddy
currents- Engineering applications.
Unit-IV:
Acoustics and Ultrasonics 10hrs
Acoustics: Introduction – requirements of acoustically good hall– Reverberation – Reverberation
time– Sabine’s formula (Derivation using growth and decay method) - Absorption coefficient and its
determination – Factors affecting acoustics of buildings and their remedial measures.
Ultrasonics: Introduction - Properties - Production by magnetostriction and piezoelectric methods –
Detection - Acoustic grating - Non Destructive Testing – pulse echo system through transmission and
reflection modes - Applications.
Unit-V:
Crystallography and X-ray diffraction 8hrs
Crystallography: Space lattice, Basis, Unit Cell and lattice parameters – Bravais Lattice – crystal
systems (3D) – coordination number - packing fraction of SC, BCC & FCC - Miller indices –
separation between successive (hkl) planes.
X-ray diffraction: Bragg’s law - X-ray Diffractometer – crystal structure determination by Laue’s
and powder methods.
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