The diagram given below show an Object O and its image I.
Without actually drawing the ray diagram, state the following:
(i) Type of lens (Converging / Diverging)
(ii) Name two optical instruments where such an image is obtained.
(iii) List three characteristics of the image formed if this lens is replaced by a concave mirror of focal length 'f and an object is placed at a distance 'f/2' in front of the mirror.
(i) The given lens is a converging lens.
(ii) (a) Simple microscope
(b) Telescope
(iii) For the given case, the object is placed between focus and pole of the mirror.
Three characteristics of the image formed are
(a) Virtual
(b) Erect
(c) Enlarged
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