Physics
In the 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.
Refraction Plane Surfaces
ICSE
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Answer
(a) Below diagram shows the path of the ray PQ till it emerges from the prism with all the angles labelled:
(b) The angle of deviation of the ray PQ is 180°.
(c) This action of the prism is used in Binoculars.
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