A concave mirror is placed on a horizont...

A concave mirror is placed on a horizontal table, with its axis directed vertically upwards. Let O be the pole of the mirror and C its centre of curvature. A point object is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image will be.

real, and will remain at C

real, and located at a point between C and `oo`

virtual, and located at a point between C and O

real, and located at a point between C and O

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The correct Answer is:

A, B, C

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