Advertisements
Advertisements
प्रश्न
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 ______.
विकल्प
refraction
reflection
scattering
total internal reflection
Advertisements
उत्तर
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 total internal reflection.
APPEARS IN
संबंधित प्रश्न
The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of the ray PQ till it emerges out of the block. [Write necessary angles].
Plot a graph between
Sine of angle of incidence versus sine of angle of refraction,
The adjacent diagram shows two right-angled isosceles prisms A and B. Complete the diagram to show the path of rays P and Q emerging out of the prism B. What principles have you used to complete the diagram?
A ray of light is incident as a normal ray on the surface of separation of two different mediums. What is the value of the angle of incidence in this case?
Solve Numerical example.
From the given data set, determine angular dispersion by the prism and dispersive power of its material for extreme colours. nR = 1.62 nV = 1.66, δR = 3.1°
Total internal reflection can take place only if light is travelling from ______.
The twinkling effect of star light is due to ______.
The critical angle is defined as the angle of incidence at which the total internal reflection starts to occur.
What is the phenomenon used in optical fiber? Explain.
State two differences between normal reflection and total internal reflection.
