Complete the path of the ray AB through the glass prism in PQR till it emerges out of the prism. Given the critical angle of the glass as `42^(@)`.

Copy the diagram given below and complete the path of the light ray till it emerges out of the prism. The critical angle of glass is 42^(@) . In your diagram mark the angles wherever necessary.

Complete the path of the monochromatic light ray AB incident on the surface PQ of the equilateral glass prism PQR till it emerges out of the prism due to refraction.

In figure, a ray of light PQ is incident normally on the hypotenuse of an isosceles right angled prism ABC. (a) complete the path of the ray PQ till it emerges from the prism. Mark in the diagram the angle wherever necessary. (b) what is the angle of deviation of the ray PQ ? (c) Name a device in which this action is used.

A beam consisting of red, blue and yellow colours is incident normally on the face AB of an isosceles right angled prism ABC as shown in Fig. 6.5. Complete the diagram to show the refracted and the emergent rays. Given that the critical angle of glass-air interface for yellow colour is 45^(@)

In figure, a ray of light PQ is incident normally on the face AB of an equilateral glass prism. Complete the ray diagram showing its emergence into air after passing through the prism. Take critical angle for glass= 42^(@) . (a) Write the angles of incidence at the faces AB and AC of the prism. (b) Name the phenomenon which the ray of light suffers at the face AB, AC and BC of the prism.

The angle of minimum deviation for a glass prism with mu=sqrt3 equals the angle of the prism. What is the angle of the prism?

The figure shows the path of a ray passing through an equiangular prism PQR. It is incident on face PR at angle slightly greater than the critical angle for total internal reflection . If the angle alpha shown in the figure is 30^(@) . Calculate the R.I. of the material of the prism.

Complete the ray diagram shown below, given that the critical angle. for air-glass pair is i_(c)=42^(@)

A ray of light enters a glass slab ABCD as shown in figure and strikes at the centre O of the circular parth AC of the slab. The critical angle of glass is 42^(@) . Complete the path of the ray till it emerges out from the slab. mark the angles in the diagram wherever necessary.

A ray of light falls normally on a glass slab. Draw a diagram showing the path of the ray till it emerges out of the slab. What is the angle of incidence and angle of refraction at each surface of slab ?