In an optical fibre the signal is transmitted:
Due to total internal reflection
In an optical fibre, the signal is transmitted due to total internal reflection. This ensures that light signals are confined within the fibre core and travel without loss. Hence, the correct answer is Option 3: Due to total internal reflection.
What is the reason for formation of Mirage in desert?
Optical fiber works on which of the following principle of light?
Which one of the following processes is responsible for the glittering of air bubbles rising through water?
What was the chief objective of the 'Wahabi movement'?
What causes the mottling of the dental enamel?
Who first stated the principle of refraction that postulates that every substance has a specific bending ratio – 'refractive index'?
Rajat has hypermetropia. What type of lens will the ophthalmologist recommend to correct his vision?
The impression of an image persists on the retina for about _________ of a second.
Convex and concave mirrors are examples of?
The incident ray, the _________ at the point of incidence and the reflected ray all lie in the same plane.
Who was the first one to use a glass prism to obtain the spectrum of sunlight?
Twinkling of stars is due to:
Which one of the following colours is least deviated by the glass prism?
In which a convex mirror is used?
A. Rear View mirrors in vehicles
B. Glass windows
C. Makeup Mirror
D. Kaleidoscope
What is the reason for formation of Mirage in desert?