Welcome to Lecture 90 of the Data Communication course (CS601). In this session, we delve into the topic of "Light Waves" and their application in data communication. This lecture will be presented in Urdu and Hindi to cater to a diverse audience.

Light waves play a crucial role in modern communication systems, especially in fiber optics and wireless communication technologies. Join us as we explore the fundamental principles of light waves, their properties, and how they are used for efficient data transmission.

This lecture is part of the CS601 course, aimed at providing comprehensive knowledge of data communication concepts and technologies.

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