Engineering Physics

Review Questions

1. Explain the advantages of optical fibres in communication.

    

   (Set-3–May 2004)

2. Explain the terms numerical aperture and acceptance angle.

    

   (Set-4–May 2006), (Set-1–June 2005), (Set-2–May 2004)

3. Define acceptance angle and numerical aperture. Obtain an expression for numerical aperture of an optical fibre.

    

   (Set-4–May 2007), (Set-1–May 2006), (Set-4–June 2005)

4. What are the advantages of an optical fibre communication system over the conventional ones?

    

   (Set-4–Sept. 2007), (Set-4–Nov. 2003)

5. Describe the basic elements of a fibre optics communication system with a block diagram.

    

   (Set-4–Nov. 2003)

6. Write a note on the applications of optical fibres.

    

   (Set-1–Sept. 2007), (Set-4–May 2004)

7. Explain how the optical fibres are classified. ...