Optical Fiber Communication MCQ Quiz - Multiple Choice Questions & Answers

1. Visible lights wavelength range ...................

1. 0.39 – 0.77 mm
2. 0.39 – 0.77 µm
3. 0.39 – 0.77 nm
4. 0.39 – 0.77 cm

2. Sum of these is unity

1. Reflectivity
2. Reflectivity + Refractivity
3. Reflectivity + Refractivity + Transmitivity
4. Any

3. Metals can ................... the light beams.

1. Reflect
2. Refract
3. Transmit
4. Any

4. Metals are ...................

1. Transparent
2. Opaque
3. Translucent
4. None

5. Metals can transmit these ...................

1. Radio ways
2. Visible light
3. Microwaves
4. x-rays

6. Reflectivity of metals

1. 0.05
2. 0.5
3. 0.95
4. None

7. Refractive index of materials is approximately equal to square root of

1. electrical permittivity
2. magnetic permeability
3. electrical permittivity x magnetic permeability
4. None

8. Snells law relates ...................

1. Light relfection
2. Light refraction
3. Light transmission
4. Light Absorption

9. Bouguers law relates ...................

1. Light relfection
2. Light refraction
3. Light transmission
4. Light Absorption

10. Sky looks blue because the sun light is subjected to ...................

1. Rayleigh scattering
2. Compton scattering
3. Both
4. None