Back to COMMUNICATION SYSTEMS
JEE PHYSICS MCQ: COMMUNICATION SYSTEMS
1
Medium
1 of 1
Remembering
+4 | -1
The wavelength of the carrier waves in a modern optical fibre communication network is close to
View answer and explanation
Correct option: B
1500 nm
The correct answer is B (1500 nm) because modern optical fiber communication networks operate in the range of 1310 nm - 1550 nm.
More Questions from COMMUNICATION SYSTEMS
Practice All Chapter MCQs →
Is it necessary for a transmitting antenna to be at the same height as that of the receiving antenna for line of sight communication? A TV transmitting antenna is tall. How much service area can it cover, if the receiving antenna is at the ground level?
The radio waves of frequency 30 MHz to 300 MHz belong to
In space communication, the sound waves can be sent from one place to another
In an amplitude modulated wave for audio frequency of 500 cycle/second, the appropriate carrier frequency will be
modulation in FM means
The waves which can travel directly along surface of the earth are known as
