A ray incident on the refracting face
is refracted in the prism
as shown in the figure and emerges from the other refracting face
as
such that
If the angle of prism
and the refractive index of the material of prism is
then the angle of deviation of the ray is
a) |
|
b) |
|
c) |
|
d) |
None of these |
A ray incident on the refracting face
is refracted in the prism
as shown in the figure and emerges from the other refracting face
as
such that
If the angle of prism
and the refractive index of the material of prism is
then the angle of deviation of the ray is
a) |
|
b) |
|
c) |
|
d) |
None of these |
(a)
For a given prism, the angle of deviation depends upon the angel of incidence of the light rays falling on the prism
Taking triangle , we have
Since, is an equilateral triangle, therefore,
Hence, angle of deviation of the ray is