Privious Exam Paper of DAE

Exam Paper ofOpto Electro Fibre Optics & Laser (BM-312)

Khyber PakhtunKhwa Board of Technical Education Peshawar

Diploma of Associate Engineer

3rd Year Bio – Medical Technology New Course

Annual Examination 2012

Paper: - Opto Electro Fibre Optics & Laser (BM – 312)


Time Allowed: - 03 Hours. Max. Marks: - 50

 Note: - Attempt Five questions. All questions carry equal marks.

Q.1: - Explain the functions of fiber optic system with the help of diagram.

Q.2: - Define reflection and refraction of light in detail.

Q.3: - (a) What is propagation parameters.

(b) Define the refractive index.

Q.4: - Explain the advantages of optical based digital communication.

Q.5: - Explain the theory of transmission in the fiber optic.

Q.6: - Discuss properties of LASER light.

Q.7: - Draw the schematic diagram of a photo cell and describe its theory of operation.

Q.8: - Write short notes on any two

  1. i) LASER
  2. ii) Coupling

iii) Photo SCR

  1. iv) Photo cell