Q

An object is 6 cm in front of a concave mirror of focal length 12 cm. The image distance and nature are:

RRB Group-D 09/09/2022 / Shift-I 2022
✓ Answer: D 12 cm, virtual
1/v = −1/12 + 1/6 = 1/12. Thus v = +12 cm, a virtual image behind the mirror.
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