Physics q312

0. Identify the device used as spherical mirror or lens in the following cases when the image formed is virtual and erect in each case
A: Object is placed between device and its focus, image is enlarged and behind it.
B : Object placed between focus and device image formed is enlarged and on the same side as that of object.
(NTSE Haryana, Stage-I, 2015-16)
     A                            B

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