Advertisements
Advertisements
प्रश्न
Name the principle on the basis of which optical fibres work.
On what principle does optical fibre work?
Name the physical principle of optical fibers.
Name the physical principle on which the working of optical fibers is based.
Answer the following question briefly and to the point:
Name the physical principle on the basis of which optical fibres work.
Advertisements
उत्तर
Optical fibres work on the principle of total internal reflection.
APPEARS IN
संबंधित प्रश्न
Which colour of light has a higher critical angle? Red light or green light.
i) Observe the given figure and answer the following questions.
a) Identify and write the natural process shown in the figure.
b) List the phenomena which are observe in this process.
c) Redraw the diagram and show above phenomena in it.
If a light ray does not undergo, refraction at the boundary between two media, the angle of incidence is:
(a) A ray of monochromatic light enters glass PQRS as shown in the fig. Complete the path of ray till it emerges from the glass. (Critical angle of glass is 420).
(b) Draw diagram of a prism periscope.
(c) What are the advantages of total internal reflecting prism over plane mirror?
How does a ray of light bend when it travels from denser to rarer medium.
Why do diamonds sparkle?
If a ray of light passes from medium I to medium II without any change of direction, what can be said about the refractive indices of these media (angle I is not 0)?
What is meant by the statement, ‘the critical angle for diamond is 24°’?
What is a mirage? How does it occur?
An endoscope uses optic fiber to transmit high resolution images of internal organs without loss of information. The principle of light that is used by the optic fiber is based on ______.
