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In the figure, a ray of light PQ is incident normally on the hypotenuse of an isosceles right angled prism ABC.

Draw a diagram of a right angled isosceles prism which is used to make an inverted image erect. Refraction of light at plane surfaces, Concise Physics Class 10 Solutions.

(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

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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:

Draw a diagram of a right angled isosceles prism which is used to make an inverted image erect. Refraction of light at plane surfaces, Concise Physics Class 10 Solutions.

(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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