Optics 7 Question 16
16. A concave mirror is placed on a horizontal table with its axis directed vertically upwards. Let be the pole of the mirror and its centre of curvature. A point object is placed at . It has a real image, also located at . If the mirror is now filled with water, the image will be
(a) real and will remain at
(b) real and located at a point between
(c) virtual and located at a point between
(d) real and located at a point between
Show Answer
Solution:
- The ray diagram is shown in figure. Therefore, the image will be real and between
and .