The angle of incidence is always smaller than angle of refraction when a ray travels from air to glass. ______

How are the angle of incidence and angle of refraction related to each other when : (a) a ray of light travels from rare to dense medium, (b) a ray of light travles from dense to rare medium ?

(a) Figure below shows a parallel beam of monochromatic light incident on a convex sperical surface, radius of curvature R=30 cm, which separates glass (refractive). Find the distance of image formed. (b) A ray of light which is incident in air on the surface of a glass block is deviated through 15^(@) . The angle of incidence in air is 60^(@) . what is the angle of refraction in glass ? Also, claculate the critical angle for a glass-air interface.

Find the maximum angle of refraction when a light ray is refracted from glass (mu= 1.50) to air.

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 ?

A glass plate has a thicknes t and refractive index mu . The angle of incidence of a ray from air into the plate is equal to the critical angle for glass air intrerface. The lateral shift (perpendicular distance between incident ray and emergent ray) of ray is given by

A ray of light passes from vaccum into a medium of refractive index n. If the angle of incidence is twice the angle of refraction, then the angle of incidence is

The angle of incidence at which reflected light is totally polarized for reflection from air to glass (refractive index n),

The angle of incidence at which reflected light is totally polarized for reflection from air to glass (refractive index n),

(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

Find the lateral shift of a light ray while it passws through a parallel glass slab of thickness 10 cm places in air. The angle of incidence in air is 60^(@) and the angle of refraction in glass is 45^(@) .