MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Computer Science
Fiber Optics
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Q.1
Gigabit Ethernet is defined by the IEEE _____ standard.
802.11
802.3z
802.3g
802.3a
Q.2
The fiber optic receiver performs which of the following functions?
Amplifies the optical signal
Amplifies the electrical signal
Converts the electrical signal back into an optical signal
Converts the optical signal back into an electrical signal
Q.3
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
equal
double
half
Q.4
A fiber optic adapter also called _________________ is designed to connect two fiber optic cables together.
Couplers
Copper Adapters
Cable Joins
Cable Ties
Q.5
Step index multi mode fiber has
core diameter has 50 to 200 µm
core diameter has 100 to 200 µm
core diameter has 50 to 100 µm
core diameter has 50 to 150 µm
Q.6
What are the types of optical fiber?
Material
Number of modes
Refractive index profile
All the above
Q.7
Example for passive sensor
Displacement sensor
Temperature sensor
Pressure sensor
None
Q.8
Single mode fiber is
one mode
two mode
more than one mode
none
Q.9
A light wave acting as a carrier wave is capable of carrying
less information
more information
medium information
No information
Q.10
Physical parameters are sensed directly is
Active sensor
Intrinsic sensor
Passive sensor
Both 1 and 2
Q.11
The basic structure of an optical fiber consists of which three parts?
Core
Buffer
Cladding
All of above
Q.12
In an optical system light OFF is a “and light ON is a “0”.
True
False
Q.13
LED transmitters operate at wavelengths of 850nm and 1300nm.
True
False
Q.14
A Laser differs from ordinary light in three distinct ways. Its coherent, directional and monochromatic.
True
False
Q.15
Of the following advantages, which one does NOT apply to fiber optics?
Lower signal attenuation
Increased bandwidth
Common ground required
Reduced size and weight
Q.16
Who demonstrated the concept of “Total Internal Reflection?”
Kapany
Tyndall
Chappe
Wheeler
Q.17
Who developed the first optical telegraph?
Kapany
Tyndall
Chappe
Wheeler
Q.18
What are the two types of optical detectors?
LEDs and APDs
PIN photodiodes and APDs
APDs and laser diodes
Laser diodes and PIN photodiodes
Q.19
Fiber optic systems use what three types of optical sources?
PIN diodes, LASERs and LEDs
LEDs, LASERs and VCSELs
LEDs and LASERs and diodes
LASERs, diodes and APDs
Q.20
What transmitter uses stimulated emission?
LED
LASER
VCSEL
APD
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page