First slide
Ray optics

Match the corresponding entries of column 1 with column 2.[Where m is the magnification produced by the mirror]



 Magnification in the mirror, m=-vu

A) m=-2v=2u

As v and u have same signs so the mirror is concave and image formed is real.

B) m=-12v=u2 Concave mirror and real image. 

C) m=+2v=-2u

As v and u have different signs but magnification is 2 so the mirror is concave and image formed is virtual.

D) m=+12v=-u2

As  v and u have different signs with magnification 12 so the mirror is convex and image formed is virtual.

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