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In Fig., a ray of light PQ is incident normally on the hypotenuse of an isosceles right angle prism ABC.
In Fig., a ray of light PQ is incident normally on the hypotenuse of an isosceles right angle prism ABC.
Class 10 | ICSE | Physics | Refraction of Light at Plane Surfaces | Selina
In Fig., a ray of light PQ is incident normally on the hypotenuse of an isosceles right angle prism ABC.

(a) Complete the path of the ray PQ until 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.

Solution:

(a)

(b) The ray PQ’s angle of deviation is 180 degrees.

(c) A prism binocular is a gadget that uses it.

i

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