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ICSE Class 10 Physics Question 17 of 27

Solved Sample Paper 1 — Question 4

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Question 5(i)

A ray of light PQ falls normally on the hypotenuse of a right angled prism ABC as shown below

A ray of light PQ falls normally on the hypotenuse of a right angled prism ABC as shown. (a) Copy the diagram and complete the path of ray PQ till it emerges from the prism. (b) What is the value of the angle of deviation of the ray? (c) Name an instrument where this action of prism is used. Physics Sample Paper Solved ICSE Class 10.

(a) Copy the diagram and complete the path of ray PQ till it emerges from the prism.

(b) What is the value of the angle of deviation of the ray?

(c) Name an instrument where this action of prism is used.

Answer

(a) Below diagram shows the path of the ray PQ till it emerges from the prism with all the angles labelled:

A ray of light PQ falls normally on the hypotenuse of a right angled prism ABC as shown. (a) Copy the diagram and complete the path of ray PQ till it emerges from the prism. (b) What is the value of the angle of deviation of the ray? (c) Name an instrument where this action of prism is used. Physics Sample Paper Solved ICSE Class 10.

(b) The angle of deviation of the ray PQ is 180°.

(c) This action of the prism is used in Binoculars.