8/9/2019 CLASS-XII- PHYSICS NOTES-COMMUNICATION SYSTEMS.docx

1/3

CLASS-XII- PHYSICS NOTES-COMMUNICATION SYSTEMS

1

8/9/2019 CLASS-XII- PHYSICS NOTES-COMMUNICATION SYSTEMS.docx

2/3

CLASS-XII- PHYSICS NOTES-COMMUNICATION SYSTEMS

2

8/9/2019 CLASS-XII- PHYSICS NOTES-COMMUNICATION SYSTEMS.docx

3/3

CLASS-XII- PHYSICS NOTES-COMMUNICATION SYSTEMS

3