If incident ray lies in x-y plane, reflected ray lies in x-y plane, then the normal ray will lie in:

x-y plane

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y-z plane

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x-z plane

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It does not depend on planes

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Solution

The correct option is A x-y plane
According to law of reflection, the incident ray, the reflected ray and the normal ray all lie in the same plane. So as both incident ray and reflected ray lies in x-y plane, the normal ray will also lie in x-y plane.

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Similar questions

The incident ray, the reflected ray and the normal, all lie in a same plane.

The laws of reflection state that the incident ray, reflected ray and the normal to the surface of mirror lie in different planes.

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