Question

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 –

• A. Real, and will remain at C
• B. Real, and located at a point between C and ¥
• C. Virtual and located at a point between C and O
• D. Real, and located at a point between C and O

Answer 1

Answer: (D)

Real, and located at a point between C and O

Answer 2

From the following figures it is clear that real image (I) will be formed between C and O