Advertisements
Advertisements
प्रश्न
Complete the following diagram to show the path of the ray of a single colour in the diagram as if enters in and emerges out of the prism. Mark the angles wherever necessary. (Critical angle for glass = 42°).
उत्तर
The completed diagram is given below.
APPEARS IN
संबंधित प्रश्न
What do you understand by the deviation produced by a prism? Why is it caused?
Calculate the speed of light in a medium whose critical angle is 30° ?
(i) Define critical angle.
(ii) State one important factor which affects the critical angle of a given medium.
State two advantages of using a right-angle prism as a reflector, rather than a plane mirror.
A ray of light incident at an angle of incidence ‘i’ passes through an equilateral glass prism such that the refracted ray inside the prism is parallel to its base and emerges from the prism at an angle of emergence ‘e’.
How is the angle of emergence ‘e’ related to the angle of incidence ‘i’?
The outer concentric shell in optic fiber is called ______.
Write any two uses of total internal reflection.
State the condition under which total internal reflection occurs. Give the mathematical expression for total internal reflection.
A ray of light passes through a prism of refractive index `sqrt2` as shown in the figure. Find:
- The angle of incidence (∠r2) at face AC.
- The angle of minimum deviation for this prism.
Name any two phenomena which take place in the formation of a rainbow.