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)
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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
iii) Photo SCR
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