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WorksheetsFiber Optics (FOLI)
Total questions: 15
Worksheet time: 8mins
Optical fibre based on the principle of
diffraction
total internal reflection
total internal refraction
interference
What are fibre optics?
thin, flexible fibres of glass/plastic
flexible fibers of copper
strands of rubber
those glow toys
How do Fiber Optics work?
By connecting and transferring energy
By remitting and subtracting power from other fiber optics
By using light pulses to transfer data
By converting sound waves in to binary code
What are the two general types of fiber optic cable found in current networking environments?
Red and Green
Singlemode and Multimode
High-frequency and Low-frequency
Narrowband and Wideband
For what are Fiber Optics mainly used?
Long distance communication
Imaging
Phones
Downloading Apps
Why is laser much preferred than LED as an optical source?
more directional
High coherent
Faster rise time
All the above
Non of the above
What is the most prominent use of Fiber Optics today?
Phones
Television Screens
The Internet
MRI imaging
Fiber optics provide data security.
True
False
Laser is a monochromatic source of light. This means all the light waves have.....
same wavelength
same phase
same intensity
same direction
Which of the following indicates the application of laser shown?
CD
Laser eye surgery
Cutting metal
Laser show
LASER travels at speed of
Sound
Cars
Light
Planes
Gas lasers, solid-state lasers, and diode lasers all rely on which of the following
stimulated emissions and optical resonators
light emitting diodes and HeNe
gasses and mirrors
crystals
He-Ne laser is a type of ____________
solid laser
liquid laser
gas laser
diode laser
What are Holograms
a three dimensional image
a two dimensional image
a 4 dimensional image
a picture
none of the above
What might holograms replace?
Televisions
all of the ones listed
Phones
Tablets
