Advertisements
Advertisements
प्रश्न
Write the necessary conditions for the phenomenon of total internal reflection to
occur ?
Advertisements
उत्तर
Necessary conditions for total internal reflection to occur are:
(i) The incident ray on the interface should travel in optically denser medium.
(ii) The angle of incidence should be greater than the critical angle for the given pair of optical media.
APPEARS IN
संबंधित प्रश्न
What do you understand by the deviation produced by a prism? Why is it caused?
Total internal reflection occurs only when a ray of light passes from a ______ medium to a ______ medium.
Two isosceles right-angle glass prisms P and Q are placed near each other as shown in Fig. Complete the path of the light ray entering the prism P till it emerges out of the prism Q.
Plot a graph between
Angle of incidence versus angle of reflection,
If a light ray does not undergo, refraction at the boundary between two media, the angle of incidence is:
Name the principle on the basis of which optical fibres work.
How does a ray of light bend when it travels from rarer to denser medium
The entire light is reflected back into the denser medium is called ______.
Observe the given figure of the raindrop and answer the following questions:
- Label A and B of the given diagram. Why colour will deviate most.
- Name the phenomenon shown in label C.
