The light rays are falling on surfaces $S_{1}$ , $S_{2}$ , $S_{3}$ as shown in the figures.

The surfaces on which the angle of incidence will be equal to the angle of reflection is/are:

Only

S_{1}

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S_{1}

and

S_{2}

only

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S_{2}

and

S_{3}

only

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All the three surfaces

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Solution

The correct option is D All the three surfaces
When a light ray falls on a surface, laws of reflection are always followed whatever be the surface.
Therefore, the angle of incidence will be equal to the angle of reflection on all the three surfaces.

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The light rays are falling on surfaces S1, S2, S3 as shown in the figures. The surfaces on which the angle of incidence will be equal to the angle of reflection is/are:

The correct option is D All the three surfacesWhen a light ray falls on a surface, laws of reflection are always followed whatever be the surface. Therefore, the angle of incidence will be equal to the angle of reflection on all the three surfaces.

The light rays are falling on surfaces $S_{1}$ , $S_{2}$ , $S_{3}$ as shown in the figures.

The surfaces on which the angle of incidence will be equal to the angle of reflection is/are:

The correct option is D All the three surfaces
When a light ray falls on a surface, laws of reflection are always followed whatever be the surface.
Therefore, the angle of incidence will be equal to the angle of reflection on all the three surfaces.