The reflecting surfaces of two intersecting flat mirrors are at an angle of 59 ◦ , as shown in the figure. A light ray strikes the horizontal mirror at an angle of 53◦ with respect to the mirror’s surface (Figure is not drawn to scale) Calculate the angle φ. Answer in units of ◦.

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Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.