Name the scientific principle behind the working of optical fibres. – McqOptions

MCQOPTIONS

1.	Name the scientific principle behind the working of optical fibres.
A.	Total external refraction of light
B.	Total internal refraction of light
C.	Total internal reflection of light
D.	Total external reflection of light
Answer» D. Total external reflection of light

Discussion

No Comment Found

Related MCQs

In simplex channel, the flow of data is
________ is a low earth orbit satellite constellation for satellite phone and low-speed data communications.
Optical fibre communication works on the principle of
On which element of the Yagi-Uda Antenna is signal power applied/received?
Following are the wavelength bands used in optical communication systems.(a) Long (L) Band(b) Conventional band (C band)(c) Extended band (E band)(d) Original band (O-band)Arrange them in increasing order of wavelengths. The correct sequence is:
For a satellite transponder with a receiver antenna gain of 12 dB, an LNA gain of 10 dB, and equivalent noise temperature of 26 dBK-1, the G/Te is
IF values of AM receivers lie between:
Consider the following statements about the maximum usable frequency (MUF) for radio communicationbetween two specified points using an ionospheric layer:1. MUF is equal to critical frequency2. MUF is more than the critical frequency3. MUF depends upon the height of the ionospheric layer4. MUF depends upon the distance between the two pointsWhich of these statements are correct?
Name the ionization layer that exists during day time and usually vanishes at night due to highest recombination rate
In microwave ovens, the commonly used radio wave frequency is roughly________