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Welcome to Prashant Publications
| INTERNATIONAL | XS | S | M | L | XL | XXL | XXXL |
|---|---|---|---|---|---|---|---|
| EUROPE | 32 | 34 | 36 | 38 | 40 | 42 | 44 |
| US | 0 | 2 | 4 | 6 | 8 | 10 | 12 |
| CHEST FIT (INCHES) | 28" | 30" | 32" | 34" | 36" | 38" | 40" |
| CHEST FIT (CM) | 716 | 76 | 81 | 86 | 91.5 | 96.5 | 101.1 |
| WAIST FIR (INCHES) | 21" | 23" | 25" | 27" | 29" | 31" | 33" |
| WAIST FIR (CM) | 53.5 | 58.5 | 63.5 | 68.5 | 74 | 79 | 84 |
| HIPS FIR (INCHES) | 33" | 34" | 36" | 38" | 40" | 42" | 44" |
| HIPS FIR (CM) | 81.5 | 86.5 | 91.5 | 96.5 | 101 | 106.5 | 111.5 |
| SKORT LENGTHS (SM) | 36.5 | 38 | 39.5 | 41 | 42.5 | 44 | 45.5 |
the book PH–315 “Optics’’ in the hands of TYBSc students. The book is strictly written and complied according to the NEP 2020 syllabus framed by the Board of Studies in Physics, KBC NMU Jalgaon, for Third year B.Sc. to be implemented from June 2026 and is written in lucid, simple language giving exhaustive details. Questions of various types are included at the end of each chapter. This will help in generating interest and thorough understanding of the subject. We hope, this book will be useful for the students and teachers.
UNIT 1.......................................................................1
INTERFERENCE
1.1 Review of some concepts
1.2 Principle of superposition of two waves
1.3 Basic Concept of interference of light
1.4 Necessary conditions to observe steady interference pattern
1.5 Mathematics of Interference pattern
1.6 Methods of obtaining interference
1.7 Young’s Double slit experiment
1.8 Fresenel Biprism
1.9 Lloyd’s Single mirror
1.10 Stoke’s treatment
1.11 Interference in thin films
1.12 Interference due to reflected light
1.13 Haidinger Fringes
1.14 Fringes of equal thickness
1.15 Interference in thin wedge shaped film
1.16 Newton’s Ring
1.17 Michelson Interferometer
UNIT 2............................................................................63
DIFFRACTION
2.1 Definition and concept of diffraction
2.2 Types of Diffractions
2.3 Fraunhofer’s Diffraction
2.4 Diffraction grating
2.5 Distinction between Interference and Diffraction
2.6 Distinction between Fraunhofer diffraction and Fresnel diffraction
2.7 X-Ray Diffraction
2.8 Bragg’s Law: X-Ray Diffraction by Crystals
2.9 Holography
2.10 CD / DVD rainbow effect
UNIT 3.....................................................................115
POLARIZATION
3.1 Introduction
3.2 Experiment to determine transverse nature of light
3.3 Polarization (What is Polarization?)
3.4 Comparison of unpolarized and polarized light
3.5 Simple states of Polarization (Types of polarization)
3.6 Principles of Producing Linearly Polarised Light
3.7 Production of linearly polarized light
3.8 Detection of linearly polarized light
3.9 Basic phenomena of Polarization
3.10 Polarization by reflection
3.11 Brewster’s law
3.12 Polarization by refraction
3.13 Polarization by double refraction
3.14 Double refracting crystals
3.15 Huygens explanation for normal incidence
3.16 Positive and negative crystals
3.17 Nicol prism
3.18 Distinguish between Positive and Negative crystals
3.19 Distinguish between Ordinary Ray (O-ray) and Extraordinary Ray (E-ray)
3.20 Quarter and Half wave plates
3.21 Optical activity
3.22 Optical Rotation
3.23 Specific Rotation
3.24 Polarimeter or Sacherimeter
3.25 Application of polarization: Liquid Crystals and Other Polarization Effects in Materials