A plot between the angle of deviation and angle of incidence is shown in figure. From the graph one can say that the prism angle is

The graph between angle of deviation (delta) and angle of incidence (i) for a triangular prism is represented by

From the graph fo angle of deviation delta versus angle of incidwence i . Find the prism angle

Find the angle of deviation suffered by the light ray shown in figure. The refractive index mu= 2.0 for the prism material.

The angle of deviation ( delta ) vs angle of ancidence (i) is plotted for a prism. Pick up the correct statement.

(a) Draw a ray diagram showing the passage of light through a glass prism. Hence obtain a relation between the angles of deviation, incidence and emergence and angle of prism. (b) Show that no ray can pass through a prism whose refracting angle A is greater than twice the critical angle for the material of the prism.

(a) Deduce the expression, by drawing a suitable ray diagram, for the refractive index of a triangular glass prisms in terms of the angle of minimum deviation (D) and the angle of prism (A). Draw a plot showing the variation of the angle of deviation with the angle of incidence. (b) Calculate the value of the angle of incidence when a ray of light incident on one face of an equilateral glass prism produces the emergent ray, which just grazes along the adjacent face. Refractive index of prism is sqrt2

Figure shows graph of deviation delta versus angle of incidence for a light ray striking a prism. Angle of prism is

(i) Plot a graph to show variation of the angle of deviation as function of angle of incidence for light passing through a prism. Derive an expression for refractive index of the prism in terms of angle of minimum deviation and angles of prism. (ii) What is dispersion of light ? Why is its cause ? (iii) A ray of light incident normally on one face of a right isosceles prism is totally reflected as shown in fig . what must be the minimum value of refractive index of glass ? Give relevant calculations

When light of wavelength lambda is incident on an equilateral prism, kept on its minimum deviation position, it is found that the angle of deviation equals the angle of the prism itself. The refractive index of the material of the prism for the wavelength lambda is

(a) Plot a graph for angle of deviation as a function of angle of incidence for a triangular prism. (b) Derive the relation for the refractive index of the prism in terms of the angle of minimum deviation and angle of prism.