Draw a neat diagram for the passage of a ray of light through an equilateral glass prism, showing clearly
(a) angle of incidence (b) angle of emergence ( c ) angle of deviation (d) angle of prism

Write a relation for the angle of deviation (delta) for a ray of light passing through an equilateral prism in terms of the angle of incidence (i_(1)) , angle of emergence (i_(2)) ang angle of prism (A).

A ray of light passes through the equilateral prism such that angle of incidence is equal to the angle of emergence if the angle of incidence is 45^(@) . The angle of deviation will be

(a) Define the following when refraction takes place through an equilateral glass prism (i) angle of incidence (ii) prism (iii) refracting angle of prism (iv) angle of emergence (v) angle of deviation (b) How are angle of incidence, angle of prism, angle of emergence and angle of deviation related to each other?

A ray of light passes through an equilateral glass prism in such a manner that the angle of incidence is equal to the angle of emergence and each of these angles is equal to 3/4 of the angle of the prism. The angle of deviation is

(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 ray of light passes through an equilateral prism (refractive index 1.5 ) such that angle of incidence is equal to angle of emergence and the latter is equal to 3//4 th of the angle of prism. Calculate the angle of deviation.

(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

A ray of light is normally incident on one face of an equilateral glass prism. Answer the following : (a) What is the angle of incidence on the first face of the prism? (b) What is the angle of refraction from the first face of the prism ? (c) What will be the angle of incidence at the second face of the prism ? (d) Will the light ray suffer minimum deviation by the prism ?

An equilateral prism deviates a ray through 45^(@) for the two angles of incidence differing by 20^(@) . The angle of incidence is

An equilateral prism deviates a ray through 45^(@) for the two angles of incidence differing by 20^(@) . The angle of incidence is