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NCERT

Physics XII Part-II

NCERT via Swayam

Overview

The units in this book provide motivation to learners to move towards intricate concepts of Physics. The nature of research and demand to know more has led to continuous and deeper understanding of reasons behind observed phenomenon. The course has 5 units spread over 43 modules. We start with optics and study it under ray optics, kind of macroscopic view of light and its interaction with objects around us. Wave optics, which proposes a microscopic explanation of the phenomenon of interference, diffraction and polarization. These cannot be explained using ray optics. The unit on dual nature of radiation and matter will present a unique view. The continuous and path breaking studies in quantum mechanics can be understood only if we understand initial scientific work which is in the unit of atoms and nuclei. Surrounded by electronics and technology, one will appreciate the unit on semiconductors and electronic devises. The unit is challenging as many new ideas will come up in the course. likewise, the unit on communication will seem very basic, as there is fast scientific development in this field. The course does not demand high level of mathematics however, you will need to be regular as connections between various segments require deeper study and higher order thinking.

Syllabus

Unit No.

Module No.

Module Name

Unit 6 –

Optics

Module 1

Optics

Module 2

Reflection of light from Spherical Surfaces

Module 3

Phenomenon of refraction, reflection through a glass slab

Module 4

Special effects due to refraction

Module 5

Refraction through a prism

Module 6

Refraction at spherical surfaces

Module 7

Optics experiments

Module 8

Natural phenomenon

Module 9

Optical instruments

Module 10

Wave optics

Module 11

Superposition of light waves

Module 12

Interference

Module 13

Diffraction of light waves

Module 14

Effects of diffraction in daily life

Module 15

Polarization

Extra Reading Materials

Unit 7 –

Dual Nature Of Radiation and Matter

Module 16

Photoelectric effect

Module 17

Study of photoelectric effect

Module 18

Einstein’s photoelectric equation

Module 19

De Brogile Waves

Module 20

Application of dual nature of matter

Extra Reading Materials

Unit 8 –

Atoms and Nuclei

Module 21

Early atomic models

Module 22

Bohr model

Module 23

Understanding Bohr’s model for hydrogen atom

Module 24

Atomic nucleus

Module 25

Mass defect and binding energy

Module 26

Radioactivity

Module 27

Nuclear energy

Extra Reading Materials

Unit 9 –

Electronic Devices

Module 28

Energy bands in solids

Module 29

Intrinsic and Extrinsic Semiconductor

Module 30

p-n junction

Module 31

Diode as a rectifier

Module 32

Experiments with semiconductor diode

Module 33

Zener diode

Module 34

Junction transistor

Module 35

Applications of transistor

Module 36

Common emitter transistor amplifier

Module 37

Digital Electronic and Logic gates

Extra Reading Materials

Unit 10 –

Communication Systems

Module 38

Introduction to electronic communication

Module 39

Propagation of em waves

Module 40

Modulation

Module 41

Amplitude Modulation

Module 42

Short range communication

Module 43

Modern day communication

Extra Reading Materials

Final Assessment

Taught by

Anuradha Mathur

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