What is the perpendicular distance from the image of the filament to the plane of the mirror (distance d₁, as shown in Figure 3)? What is the perpendicular distance from the filament to the plane of the mirror (distance d2, as shown in Figure 3)?

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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.