The operation of an optical fibre is based on the princip...
The operation of an optical fibre is based on the principal of
dispersion of light
interference of light
refraction of light
polarization of light
Correct answer is C
No explanation has been provided for this answer.
A boy cycles continuously through a distance of 1.0 km in 5 minutes. Calculate his average speed...
The surface temperature of a swimming pool on a warm day is 25ºC and the temperature at the bot...
Which of the following instruments has a pure tone? ...
The density of a solid is defined as the ...
The molecular structure of a liquid is such that ...
Which of the following statements about friction is NOT correct? ...