Four ray diagrams are shown below. f1, f2 are the focal points for the lenses respectively as shown from left to right. when both focal points occur at the same point their position is designated as "f1/f2". Identify the TWO ray diagrams that show the correct position for the FINAL image for the two-lens systems  shown below.

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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.