NCERT Solutions for Class 12 Physics Chapter 15 Communication Systems

NCERT Solutions for Class 12 Physics Chapter 15 Communication Systems

NCERT Class 12 Physics exemplar for Chapter 15 Communication Systems provides here are written by experts after extensive research on each and every topic to provide apt and authentic information to the students. If you go through previous year question papers you will get a clear picture of questions on the exemplary book are directly asked in the examination. In order to score good marks, it is very important for the students to solve and get well versed with the exemplary questions and problems given in this exemplary book.

Communication systems are simply a collection of systems used for transmission, connection, communication, and interconnection. These systems are categorically arranged into three different types on the basis of uses such as Media, Technology and Application area. Sensors, Transducers, Emitters, and Amplifiers are all examples of modern technology which are used as components in the majority of modern devices.

Major examples of general communication systems:



  • E-mail
  • Internet
  • Television
  • Radio
  • Computer
  • Concepts involved in chapter 15 Communication System are:
  • Introduction
  • Elements Of A Communication System
  • Basic Terminology Used In Electronic Communication Systems
  • Bandwidth Of Signals
  • Bandwidth Of Transmission Medium
  • Propagation Of Electromagnetic Waves
  • Ground wave
  • Skywaves
  • Space wave
  • Modulation And Its Necessity
  • Size of the antenna or aerial
  • Effective power radiated by an antenna Ex 15.7.3 – Mixing up of signals from different transmitters
  • Amplitude Modulation
  • Production Of Amplitude Modulated Wave
  • Detection Of Amplitude Modulated Wave.


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