If a symmetrical biconcave thin lens is cut into two identical halv...

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If a symmetrical biconcave thin lens is cut into two identical halves. They are placed in different ways as shown:
Fig(i)
(A) three images will be formed in case (i)
(B) two images will be formed in the case (i)
(C) the ratio of focal lengths in (ii) \& (iii) is 1
(D) the ratio of focal lengths in (ii) \& (iii) is 2
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