For a glass prism the plot of deviation `(delta)` vs angle of incidence (i) is as shown. Find the refractive index of the glass and value of angle `i_(1)`.

The plot of deviation (delta) vs angle of incidence (i) for a prism is as shown in the figure. Find the angle of the prism (A).

For a small angled prism, angle of prism A of minimum deviation (delta) varies with the refractive index of the prism as shown in the graph

The minimum deviation produced by a glass prism of angle 40^(@) is 36^(@) . The refractive index of the glass will be

A graph is plotted between angle of deviation (delta) and angle of incidence (i) for a prism. The nearly correct graph is

A light ray is incident on a plane glass slab of thickness ‘t’ at an angle of incidence ‘i’ as shown in the figure. If mu is the refractive index of glass. Then find time taken by the light ray to travel through the slab.

(a) If the refracting angle of a prism is 60^@ and the minimum deviation is 30^@ , then find the angle of incidence. (b) A ray of light passes through an equilateral prism such that the angle of emergence is equal to the angle of incidence and each is equal to 3//4^(th) of the angle of prism. Find the angle of deviation. (c) The refracting of a prism is A and the refractive index of the material of the prism is cotA//2 . Find the angle of deviation. (d) The angle of a prism is 60^@ . What is the angle of incidence for minimum deviation? The refractive index of the material of the prism is sqrt2 .

Figure shown the graph of angle of deviation delta verses angle of incidence I for a light ray striking a prism. The prism angle is

A prism of angle 60^(@) deviates a ray of light through 31^(@) for two angles of incidence, which differ by 17^(@) . What is the refractive index of the glass 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