The image of an extended object, placed perpendicular to the principal axis of a mirror, will be erect if:
$(a)$ The object is real and the image is real.
$(b)$ The object is virtual and the image is virtual.
$(c)$ The object is real and the image is virtual.
$(d)$ The object is virtual and the image is real.

  • A
    $(a)$ and $(b)$
  • B
    $(c)$ and $(d)$
  • C
    $(a)$ and $(c)$
  • D
    All above are true

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